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trivial: Miscellaneous documentation typo fixes
Fix various typos in documentation txts. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -676,8 +676,8 @@ this directory the following files can currently be found:
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dma-api/all_errors This file contains a numeric value. If this
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dma-api/all_errors This file contains a numeric value. If this
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value is not equal to zero the debugging code
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value is not equal to zero the debugging code
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will print a warning for every error it finds
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will print a warning for every error it finds
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into the kernel log. Be carefull with this
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into the kernel log. Be careful with this
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option. It can easily flood your logs.
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option, as it can easily flood your logs.
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dma-api/disabled This read-only file contains the character 'Y'
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dma-api/disabled This read-only file contains the character 'Y'
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if the debugging code is disabled. This can
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if the debugging code is disabled. This can
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@ -118,7 +118,7 @@ to another chain) checking the final 'nulls' value if
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the lookup met the end of chain. If final 'nulls' value
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the lookup met the end of chain. If final 'nulls' value
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is not the slot number, then we must restart the lookup at
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is not the slot number, then we must restart the lookup at
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the beginning. If the object was moved to the same chain,
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the beginning. If the object was moved to the same chain,
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then the reader doesnt care : It might eventually
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then the reader doesn't care : It might eventually
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scan the list again without harm.
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scan the list again without harm.
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@ -5,7 +5,7 @@ Copyright 2006, 2007 Simtec Electronics
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The Silicon Motion SM501 multimedia companion chip is a multifunction device
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The Silicon Motion SM501 multimedia companion chip is a multifunction device
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which may provide numerous interfaces including USB host controller USB gadget,
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which may provide numerous interfaces including USB host controller USB gadget,
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Asyncronous Serial ports, Audio functions and a dual display video interface.
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asynchronous serial ports, audio functions, and a dual display video interface.
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The device may be connected by PCI or local bus with varying functions enabled.
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The device may be connected by PCI or local bus with varying functions enabled.
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Core
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Core
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@ -58,7 +58,7 @@ same criteria as reads.
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front_merges (bool)
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front_merges (bool)
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------------
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------------
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Sometimes it happens that a request enters the io scheduler that is contigious
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Sometimes it happens that a request enters the io scheduler that is contiguous
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with a request that is already on the queue. Either it fits in the back of that
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with a request that is already on the queue. Either it fits in the back of that
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request, or it fits at the front. That is called either a back merge candidate
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request, or it fits at the front. That is called either a back merge candidate
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or a front merge candidate. Due to the way files are typically laid out,
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or a front merge candidate. Due to the way files are typically laid out,
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@ -27,7 +27,7 @@ parameter.
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For simplicity, only one braille console can be enabled, other uses of
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For simplicity, only one braille console can be enabled, other uses of
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console=brl,... will be discarded. Also note that it does not interfere with
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console=brl,... will be discarded. Also note that it does not interfere with
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the console selection mecanism described in serial-console.txt
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the console selection mechanism described in serial-console.txt
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For now, only the VisioBraille device is supported.
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For now, only the VisioBraille device is supported.
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@ -188,7 +188,7 @@ For example, you can do something like the following.
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void my_midlayer_destroy_something()
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void my_midlayer_destroy_something()
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{
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{
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devres_release_group(dev, my_midlayer_create_soemthing);
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devres_release_group(dev, my_midlayer_create_something);
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}
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}
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@ -23,8 +23,8 @@ first time, it was renamed to 'EDAC'.
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The bluesmoke project at sourceforge.net is now utilized as a 'staging area'
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The bluesmoke project at sourceforge.net is now utilized as a 'staging area'
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for EDAC development, before it is sent upstream to kernel.org
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for EDAC development, before it is sent upstream to kernel.org
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At the bluesmoke/EDAC project site, is a series of quilt patches against
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At the bluesmoke/EDAC project site is a series of quilt patches against
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recent kernels, stored in a SVN respository. For easier downloading, there
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recent kernels, stored in a SVN repository. For easier downloading, there
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is also a tarball snapshot available.
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is also a tarball snapshot available.
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============================================================================
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============================================================================
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@ -73,9 +73,9 @@ the vendor should tie the parity status bits to 0 if they do not intend
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to generate parity. Some vendors do not do this, and thus the parity bit
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to generate parity. Some vendors do not do this, and thus the parity bit
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can "float" giving false positives.
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can "float" giving false positives.
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In the kernel there is a pci device attribute located in sysfs that is
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In the kernel there is a PCI device attribute located in sysfs that is
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checked by the EDAC PCI scanning code. If that attribute is set,
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checked by the EDAC PCI scanning code. If that attribute is set,
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PCI parity/error scannining is skipped for that device. The attribute
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PCI parity/error scanning is skipped for that device. The attribute
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is:
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is:
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broken_parity_status
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broken_parity_status
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@ -1,7 +1,7 @@
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SH7760/SH7763 integrated LCDC Framebuffer driver
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SH7760/SH7763 integrated LCDC Framebuffer driver
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================================================
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================================================
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0. Overwiew
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0. Overview
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-----------
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-----------
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The SH7760/SH7763 have an integrated LCD Display controller (LCDC) which
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The SH7760/SH7763 have an integrated LCD Display controller (LCDC) which
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supports (in theory) resolutions ranging from 1x1 to 1024x1024,
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supports (in theory) resolutions ranging from 1x1 to 1024x1024,
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@ -369,7 +369,7 @@ The call requires an initialized struct autofs_dev_ioctl. There are two
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possible variations. Both use the path field set to the path of the mount
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possible variations. Both use the path field set to the path of the mount
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point to check and the size field adjusted appropriately. One uses the
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point to check and the size field adjusted appropriately. One uses the
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ioctlfd field to identify a specific mount point to check while the other
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ioctlfd field to identify a specific mount point to check while the other
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variation uses the path and optionaly arg1 set to an autofs mount type.
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variation uses the path and optionally arg1 set to an autofs mount type.
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The call returns 1 if this is a mount point and sets arg1 to the device
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The call returns 1 if this is a mount point and sets arg1 to the device
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number of the mount and field arg2 to the relevant super block magic
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number of the mount and field arg2 to the relevant super block magic
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number (described below) or 0 if it isn't a mountpoint. In both cases
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number (described below) or 0 if it isn't a mountpoint. In both cases
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@ -184,7 +184,7 @@ This has the following fields:
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have index children.
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have index children.
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If this function is not supplied or if it returns NULL then the first
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If this function is not supplied or if it returns NULL then the first
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cache in the parent's list will be chosed, or failing that, the first
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cache in the parent's list will be chosen, or failing that, the first
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cache in the master list.
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cache in the master list.
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(4) A function to retrieve an object's key from the netfs [mandatory].
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(4) A function to retrieve an object's key from the netfs [mandatory].
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@ -294,7 +294,7 @@ max_batch_time=usec Maximum amount of time ext4 should wait for
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amount of time (on average) that it takes to
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amount of time (on average) that it takes to
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finish committing a transaction. Call this time
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finish committing a transaction. Call this time
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the "commit time". If the time that the
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the "commit time". If the time that the
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transactoin has been running is less than the
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transaction has been running is less than the
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commit time, ext4 will try sleeping for the
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commit time, ext4 will try sleeping for the
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commit time to see if other operations will join
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commit time to see if other operations will join
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the transaction. The commit time is capped by
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the transaction. The commit time is capped by
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@ -328,7 +328,7 @@ noauto_da_alloc replacing existing files via patterns such as
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journal commit, in the default data=ordered
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journal commit, in the default data=ordered
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mode, the data blocks of the new file are forced
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mode, the data blocks of the new file are forced
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to disk before the rename() operation is
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to disk before the rename() operation is
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commited. This provides roughly the same level
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committed. This provides roughly the same level
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of guarantees as ext3, and avoids the
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of guarantees as ext3, and avoids the
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"zero-length" problem that can happen when a
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"zero-length" problem that can happen when a
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system crashes before the delayed allocation
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system crashes before the delayed allocation
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@ -358,7 +358,7 @@ written to the journal first, and then to its final location.
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In the event of a crash, the journal can be replayed, bringing both data and
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In the event of a crash, the journal can be replayed, bringing both data and
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metadata into a consistent state. This mode is the slowest except when data
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metadata into a consistent state. This mode is the slowest except when data
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needs to be read from and written to disk at the same time where it
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needs to be read from and written to disk at the same time where it
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outperforms all others modes. Curently ext4 does not have delayed
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outperforms all others modes. Currently ext4 does not have delayed
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allocation support if this data journalling mode is selected.
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allocation support if this data journalling mode is selected.
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References
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References
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@ -204,7 +204,7 @@ fiemap_check_flags() helper:
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int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
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int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
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The struct fieinfo should be passed in as recieved from ioctl_fiemap(). The
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The struct fieinfo should be passed in as received from ioctl_fiemap(). The
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set of fiemap flags which the fs understands should be passed via fs_flags. If
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set of fiemap flags which the fs understands should be passed via fs_flags. If
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fiemap_check_flags finds invalid user flags, it will place the bad values in
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fiemap_check_flags finds invalid user flags, it will place the bad values in
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fieinfo->fi_flags and return -EBADR. If the file system gets -EBADR, from
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fieinfo->fi_flags and return -EBADR. If the file system gets -EBADR, from
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@ -100,7 +100,7 @@ Installation
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$ sudo cp utils/mount/mount.nfs /sbin/mount.nfs
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$ sudo cp utils/mount/mount.nfs /sbin/mount.nfs
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In this location, mount.nfs will be invoked automatically for NFS mounts
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In this location, mount.nfs will be invoked automatically for NFS mounts
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by the system mount commmand.
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by the system mount command.
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NOTE: mount.nfs and therefore nfs-utils-1.1.2 or greater is only needed
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NOTE: mount.nfs and therefore nfs-utils-1.1.2 or greater is only needed
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on the NFS client machine. You do not need this specific version of
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on the NFS client machine. You do not need this specific version of
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@ -366,7 +366,7 @@ just those considered 'most important'. The new vectors are:
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RES, CAL, TLB -- rescheduling, call and TLB flush interrupts are
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RES, CAL, TLB -- rescheduling, call and TLB flush interrupts are
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sent from one CPU to another per the needs of the OS. Typically,
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sent from one CPU to another per the needs of the OS. Typically,
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their statistics are used by kernel developers and interested users to
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their statistics are used by kernel developers and interested users to
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determine the occurance of interrupt of the given type.
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determine the occurrence of interrupts of the given type.
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The above IRQ vectors are displayed only when relevent. For example,
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The above IRQ vectors are displayed only when relevent. For example,
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the threshold vector does not exist on x86_64 platforms. Others are
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the threshold vector does not exist on x86_64 platforms. Others are
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@ -551,7 +551,7 @@ Committed_AS: The amount of memory presently allocated on the system.
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memory once that memory has been successfully allocated.
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memory once that memory has been successfully allocated.
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VmallocTotal: total size of vmalloc memory area
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VmallocTotal: total size of vmalloc memory area
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VmallocUsed: amount of vmalloc area which is used
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VmallocUsed: amount of vmalloc area which is used
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VmallocChunk: largest contigious block of vmalloc area which is free
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VmallocChunk: largest contiguous block of vmalloc area which is free
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..............................................................................
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..............................................................................
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@ -72,7 +72,7 @@ The 'rom' file is special in that it provides read-only access to the device's
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ROM file, if available. It's disabled by default, however, so applications
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ROM file, if available. It's disabled by default, however, so applications
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should write the string "1" to the file to enable it before attempting a read
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should write the string "1" to the file to enable it before attempting a read
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call, and disable it following the access by writing "0" to the file. Note
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call, and disable it following the access by writing "0" to the file. Note
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that the device must be enabled for a rom read to return data succesfully.
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that the device must be enabled for a rom read to return data successfully.
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In the event a driver is not bound to the device, it can be enabled using the
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In the event a driver is not bound to the device, it can be enabled using the
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'enable' file, documented above.
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'enable' file, documented above.
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@ -124,10 +124,10 @@ sys_immutable -- If set, ATTR_SYS attribute on FAT is handled as
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flush -- If set, the filesystem will try to flush to disk more
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flush -- If set, the filesystem will try to flush to disk more
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early than normal. Not set by default.
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early than normal. Not set by default.
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rodir -- FAT has the ATTR_RO (read-only) attribute. But on Windows,
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rodir -- FAT has the ATTR_RO (read-only) attribute. On Windows,
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the ATTR_RO of the directory will be just ignored actually,
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the ATTR_RO of the directory will just be ignored,
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and is used by only applications as flag. E.g. it's setted
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and is used only by applications as a flag (e.g. it's set
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for the customized folder.
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for the customized folder).
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If you want to use ATTR_RO as read-only flag even for
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If you want to use ATTR_RO as read-only flag even for
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the directory, set this option.
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the directory, set this option.
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@ -458,7 +458,7 @@ debugfs interface, since it provides control over GPIO direction and
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value instead of just showing a gpio state summary. Plus, it could be
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value instead of just showing a gpio state summary. Plus, it could be
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present on production systems without debugging support.
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present on production systems without debugging support.
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Given approprate hardware documentation for the system, userspace could
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Given appropriate hardware documentation for the system, userspace could
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know for example that GPIO #23 controls the write protect line used to
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know for example that GPIO #23 controls the write protect line used to
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protect boot loader segments in flash memory. System upgrade procedures
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protect boot loader segments in flash memory. System upgrade procedures
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may need to temporarily remove that protection, first importing a GPIO,
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may need to temporarily remove that protection, first importing a GPIO,
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@ -108,7 +108,7 @@ There are two possible methods of using Kdump.
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2) Or use the system kernel binary itself as dump-capture kernel and there is
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2) Or use the system kernel binary itself as dump-capture kernel and there is
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no need to build a separate dump-capture kernel. This is possible
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no need to build a separate dump-capture kernel. This is possible
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only with the architecutres which support a relocatable kernel. As
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only with the architectures which support a relocatable kernel. As
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of today, i386, x86_64, ppc64 and ia64 architectures support relocatable
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of today, i386, x86_64, ppc64 and ia64 architectures support relocatable
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kernel.
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kernel.
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@ -222,7 +222,7 @@ Dump-capture kernel config options (Arch Dependent, ia64)
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----------------------------------------------------------
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----------------------------------------------------------
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- No specific options are required to create a dump-capture kernel
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- No specific options are required to create a dump-capture kernel
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for ia64, other than those specified in the arch idependent section
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for ia64, other than those specified in the arch independent section
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above. This means that it is possible to use the system kernel
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above. This means that it is possible to use the system kernel
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as a dump-capture kernel if desired.
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as a dump-capture kernel if desired.
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@ -1076,7 +1076,7 @@ and is between 256 and 4096 characters. It is defined in the file
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kgdboc= [HW] kgdb over consoles.
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kgdboc= [HW] kgdb over consoles.
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Requires a tty driver that supports console polling.
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Requires a tty driver that supports console polling.
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(only serial suported for now)
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(only serial supported for now)
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Format: <serial_device>[,baud]
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Format: <serial_device>[,baud]
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kmac= [MIPS] korina ethernet MAC address.
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kmac= [MIPS] korina ethernet MAC address.
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@ -1405,7 +1405,7 @@ and is between 256 and 4096 characters. It is defined in the file
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('y', default) or cooked coordinates ('n')
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('y', default) or cooked coordinates ('n')
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mtrr_chunk_size=nn[KMG] [X86]
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mtrr_chunk_size=nn[KMG] [X86]
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used for mtrr cleanup. It is largest continous chunk
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used for mtrr cleanup. It is largest continuous chunk
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that could hold holes aka. UC entries.
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that could hold holes aka. UC entries.
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mtrr_gran_size=nn[KMG] [X86]
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mtrr_gran_size=nn[KMG] [X86]
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@ -132,7 +132,7 @@ kobject_name():
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const char *kobject_name(const struct kobject * kobj);
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const char *kobject_name(const struct kobject * kobj);
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There is a helper function to both initialize and add the kobject to the
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There is a helper function to both initialize and add the kobject to the
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kernel at the same time, called supprisingly enough kobject_init_and_add():
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kernel at the same time, called surprisingly enough kobject_init_and_add():
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int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,
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int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype,
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struct kobject *parent, const char *fmt, ...);
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struct kobject *parent, const char *fmt, ...);
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@ -40,7 +40,7 @@ NOTE: The Acer Aspire One is not supported hardware. It cannot work with
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acer-wmi until Acer fix their ACPI-WMI implementation on them, so has been
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acer-wmi until Acer fix their ACPI-WMI implementation on them, so has been
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blacklisted until that happens.
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blacklisted until that happens.
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Please see the website for the current list of known working hardare:
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Please see the website for the current list of known working hardware:
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http://code.google.com/p/aceracpi/wiki/SupportedHardware
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http://code.google.com/p/aceracpi/wiki/SupportedHardware
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@ -22,7 +22,7 @@ If your laptop model supports it, you will find sysfs files in the
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/sys/class/backlight/sony/
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/sys/class/backlight/sony/
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directory. You will be able to query and set the current screen
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directory. You will be able to query and set the current screen
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brightness:
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brightness:
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brightness get/set screen brightness (an iteger
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brightness get/set screen brightness (an integer
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between 0 and 7)
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between 0 and 7)
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actual_brightness reading from this file will query the HW
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actual_brightness reading from this file will query the HW
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to get real brightness value
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to get real brightness value
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@ -506,7 +506,7 @@ generate input device EV_KEY events.
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In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
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In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
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events for switches:
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events for switches:
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SW_RFKILL_ALL T60 and later hardare rfkill rocker switch
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SW_RFKILL_ALL T60 and later hardware rfkill rocker switch
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SW_TABLET_MODE Tablet ThinkPads HKEY events 0x5009 and 0x500A
|
SW_TABLET_MODE Tablet ThinkPads HKEY events 0x5009 and 0x500A
|
||||||
|
|
||||||
Non hot-key ACPI HKEY event map:
|
Non hot-key ACPI HKEY event map:
|
||||||
|
@ -34,7 +34,7 @@ out of order wrt other memory writes by the owner CPU.
|
|||||||
|
|
||||||
It can be done by slightly modifying the standard atomic operations : only
|
It can be done by slightly modifying the standard atomic operations : only
|
||||||
their UP variant must be kept. It typically means removing LOCK prefix (on
|
their UP variant must be kept. It typically means removing LOCK prefix (on
|
||||||
i386 and x86_64) and any SMP sychronization barrier. If the architecture does
|
i386 and x86_64) and any SMP synchronization barrier. If the architecture does
|
||||||
not have a different behavior between SMP and UP, including asm-generic/local.h
|
not have a different behavior between SMP and UP, including asm-generic/local.h
|
||||||
in your architecture's local.h is sufficient.
|
in your architecture's local.h is sufficient.
|
||||||
|
|
||||||
|
@ -73,13 +73,13 @@ this phase is triggered automatically. ACPI can notify this event. If not,
|
|||||||
(see Section 4.).
|
(see Section 4.).
|
||||||
|
|
||||||
Logical Memory Hotplug phase is to change memory state into
|
Logical Memory Hotplug phase is to change memory state into
|
||||||
avaiable/unavailable for users. Amount of memory from user's view is
|
available/unavailable for users. Amount of memory from user's view is
|
||||||
changed by this phase. The kernel makes all memory in it as free pages
|
changed by this phase. The kernel makes all memory in it as free pages
|
||||||
when a memory range is available.
|
when a memory range is available.
|
||||||
|
|
||||||
In this document, this phase is described as online/offline.
|
In this document, this phase is described as online/offline.
|
||||||
|
|
||||||
Logical Memory Hotplug phase is triggred by write of sysfs file by system
|
Logical Memory Hotplug phase is triggered by write of sysfs file by system
|
||||||
administrator. For the hot-add case, it must be executed after Physical Hotplug
|
administrator. For the hot-add case, it must be executed after Physical Hotplug
|
||||||
phase by hand.
|
phase by hand.
|
||||||
(However, if you writes udev's hotplug scripts for memory hotplug, these
|
(However, if you writes udev's hotplug scripts for memory hotplug, these
|
||||||
@ -334,7 +334,7 @@ MEMORY_CANCEL_ONLINE
|
|||||||
Generated if MEMORY_GOING_ONLINE fails.
|
Generated if MEMORY_GOING_ONLINE fails.
|
||||||
|
|
||||||
MEMORY_ONLINE
|
MEMORY_ONLINE
|
||||||
Generated when memory has succesfully brought online. The callback may
|
Generated when memory has successfully brought online. The callback may
|
||||||
allocate pages from the new memory.
|
allocate pages from the new memory.
|
||||||
|
|
||||||
MEMORY_GOING_OFFLINE
|
MEMORY_GOING_OFFLINE
|
||||||
@ -359,7 +359,7 @@ The third argument is passed by pointer of struct memory_notify.
|
|||||||
struct memory_notify {
|
struct memory_notify {
|
||||||
unsigned long start_pfn;
|
unsigned long start_pfn;
|
||||||
unsigned long nr_pages;
|
unsigned long nr_pages;
|
||||||
int status_cahnge_nid;
|
int status_change_nid;
|
||||||
}
|
}
|
||||||
|
|
||||||
start_pfn is start_pfn of online/offline memory.
|
start_pfn is start_pfn of online/offline memory.
|
||||||
|
@ -26,7 +26,7 @@ registers and the stack. If the first argument is a 64-bit value, it will be
|
|||||||
passed in D0:D1. If the first argument is not a 64-bit value, but the second
|
passed in D0:D1. If the first argument is not a 64-bit value, but the second
|
||||||
is, the second will be passed entirely on the stack and D1 will be unused.
|
is, the second will be passed entirely on the stack and D1 will be unused.
|
||||||
|
|
||||||
Arguments smaller than 32-bits are not coelesced within a register or a stack
|
Arguments smaller than 32-bits are not coalesced within a register or a stack
|
||||||
word. For example, two byte-sized arguments will always be passed in separate
|
word. For example, two byte-sized arguments will always be passed in separate
|
||||||
registers or word-sized stack slots.
|
registers or word-sized stack slots.
|
||||||
|
|
||||||
|
@ -50,7 +50,7 @@ byte 255: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp1 rp3 rp5 ... rp15
|
|||||||
cp5 cp5 cp5 cp5 cp4 cp4 cp4 cp4
|
cp5 cp5 cp5 cp5 cp4 cp4 cp4 cp4
|
||||||
|
|
||||||
This figure represents a sector of 256 bytes.
|
This figure represents a sector of 256 bytes.
|
||||||
cp is my abbreviaton for column parity, rp for row parity.
|
cp is my abbreviation for column parity, rp for row parity.
|
||||||
|
|
||||||
Let's start to explain column parity.
|
Let's start to explain column parity.
|
||||||
cp0 is the parity that belongs to all bit0, bit2, bit4, bit6.
|
cp0 is the parity that belongs to all bit0, bit2, bit4, bit6.
|
||||||
@ -560,7 +560,7 @@ Measuring this code again showed big gain. When executing the original
|
|||||||
linux code 1 million times, this took about 1 second on my system.
|
linux code 1 million times, this took about 1 second on my system.
|
||||||
(using time to measure the performance). After this iteration I was back
|
(using time to measure the performance). After this iteration I was back
|
||||||
to 0.075 sec. Actually I had to decide to start measuring over 10
|
to 0.075 sec. Actually I had to decide to start measuring over 10
|
||||||
million interations in order not to loose too much accuracy. This one
|
million iterations in order not to lose too much accuracy. This one
|
||||||
definitely seemed to be the jackpot!
|
definitely seemed to be the jackpot!
|
||||||
|
|
||||||
There is a little bit more room for improvement though. There are three
|
There is a little bit more room for improvement though. There are three
|
||||||
@ -571,8 +571,8 @@ loop; This eliminates 3 statements per loop. Of course after the loop we
|
|||||||
need to correct by adding:
|
need to correct by adding:
|
||||||
rp4 ^= rp4_6;
|
rp4 ^= rp4_6;
|
||||||
rp6 ^= rp4_6
|
rp6 ^= rp4_6
|
||||||
Furthermore there are 4 sequential assingments to rp8. This can be
|
Furthermore there are 4 sequential assignments to rp8. This can be
|
||||||
encoded slightly more efficient by saving tmppar before those 4 lines
|
encoded slightly more efficiently by saving tmppar before those 4 lines
|
||||||
and later do rp8 = rp8 ^ tmppar ^ notrp8;
|
and later do rp8 = rp8 ^ tmppar ^ notrp8;
|
||||||
(where notrp8 is the value of rp8 before those 4 lines).
|
(where notrp8 is the value of rp8 before those 4 lines).
|
||||||
Again a use of the commutative property of xor.
|
Again a use of the commutative property of xor.
|
||||||
@ -622,7 +622,7 @@ Not a big change, but every penny counts :-)
|
|||||||
Analysis 7
|
Analysis 7
|
||||||
==========
|
==========
|
||||||
|
|
||||||
Acutally this made things worse. Not very much, but I don't want to move
|
Actually this made things worse. Not very much, but I don't want to move
|
||||||
into the wrong direction. Maybe something to investigate later. Could
|
into the wrong direction. Maybe something to investigate later. Could
|
||||||
have to do with caching again.
|
have to do with caching again.
|
||||||
|
|
||||||
@ -642,7 +642,7 @@ Analysis 8
|
|||||||
This makes things worse. Let's stick with attempt 6 and continue from there.
|
This makes things worse. Let's stick with attempt 6 and continue from there.
|
||||||
Although it seems that the code within the loop cannot be optimised
|
Although it seems that the code within the loop cannot be optimised
|
||||||
further there is still room to optimize the generation of the ecc codes.
|
further there is still room to optimize the generation of the ecc codes.
|
||||||
We can simply calcualate the total parity. If this is 0 then rp4 = rp5
|
We can simply calculate the total parity. If this is 0 then rp4 = rp5
|
||||||
etc. If the parity is 1, then rp4 = !rp5;
|
etc. If the parity is 1, then rp4 = !rp5;
|
||||||
But if rp4 = rp5 we do not need rp5 etc. We can just write the even bits
|
But if rp4 = rp5 we do not need rp5 etc. We can just write the even bits
|
||||||
in the result byte and then do something like
|
in the result byte and then do something like
|
||||||
|
@ -221,7 +221,7 @@ ad_select
|
|||||||
|
|
||||||
- Any slave's 802.3ad association state changes
|
- Any slave's 802.3ad association state changes
|
||||||
|
|
||||||
- The bond's adminstrative state changes to up
|
- The bond's administrative state changes to up
|
||||||
|
|
||||||
count or 2
|
count or 2
|
||||||
|
|
||||||
@ -369,7 +369,7 @@ fail_over_mac
|
|||||||
When this policy is used in conjuction with the mii
|
When this policy is used in conjuction with the mii
|
||||||
monitor, devices which assert link up prior to being
|
monitor, devices which assert link up prior to being
|
||||||
able to actually transmit and receive are particularly
|
able to actually transmit and receive are particularly
|
||||||
susecptible to loss of the gratuitous ARP, and an
|
susceptible to loss of the gratuitous ARP, and an
|
||||||
appropriate updelay setting may be required.
|
appropriate updelay setting may be required.
|
||||||
|
|
||||||
follow or 2
|
follow or 2
|
||||||
@ -1794,7 +1794,7 @@ target to query.
|
|||||||
generally referred to as "trunk failover." This is a feature of the
|
generally referred to as "trunk failover." This is a feature of the
|
||||||
switch that causes the link state of a particular switch port to be set
|
switch that causes the link state of a particular switch port to be set
|
||||||
down (or up) when the state of another switch port goes down (or up).
|
down (or up) when the state of another switch port goes down (or up).
|
||||||
It's purpose is to propogate link failures from logically "exterior" ports
|
Its purpose is to propagate link failures from logically "exterior" ports
|
||||||
to the logically "interior" ports that bonding is able to monitor via
|
to the logically "interior" ports that bonding is able to monitor via
|
||||||
miimon. Availability and configuration for trunk failover varies by
|
miimon. Availability and configuration for trunk failover varies by
|
||||||
switch, but this can be a viable alternative to the ARP monitor when using
|
switch, but this can be a viable alternative to the ARP monitor when using
|
||||||
|
@ -327,7 +327,7 @@ solution for a couple of reasons:
|
|||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* paraniod check ... */
|
/* paranoid check ... */
|
||||||
if (nbytes < sizeof(struct can_frame)) {
|
if (nbytes < sizeof(struct can_frame)) {
|
||||||
fprintf(stderr, "read: incomplete CAN frame\n");
|
fprintf(stderr, "read: incomplete CAN frame\n");
|
||||||
return 1;
|
return 1;
|
||||||
|
@ -129,7 +129,7 @@ PHY Link state polling
|
|||||||
----------------------
|
----------------------
|
||||||
|
|
||||||
The driver keeps track of the link state and informs the network core
|
The driver keeps track of the link state and informs the network core
|
||||||
about link (carrier) availablilty. This is managed by several methods
|
about link (carrier) availability. This is managed by several methods
|
||||||
depending on the version of the chip and on which PHY is being used.
|
depending on the version of the chip and on which PHY is being used.
|
||||||
|
|
||||||
For the internal PHY, the original (and currently default) method is
|
For the internal PHY, the original (and currently default) method is
|
||||||
|
@ -158,7 +158,7 @@ Sample Userspace Code
|
|||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
Miscellanous
|
Miscellaneous
|
||||||
============
|
============
|
||||||
|
|
||||||
The PPPoL2TP driver was developed as part of the OpenL2TP project by
|
The PPPoL2TP driver was developed as part of the OpenL2TP project by
|
||||||
|
@ -74,7 +74,7 @@ dev->hard_start_xmit:
|
|||||||
for this and return NETDEV_TX_LOCKED when the spin lock fails.
|
for this and return NETDEV_TX_LOCKED when the spin lock fails.
|
||||||
The locking there should also properly protect against
|
The locking there should also properly protect against
|
||||||
set_multicast_list. Note that the use of NETIF_F_LLTX is deprecated.
|
set_multicast_list. Note that the use of NETIF_F_LLTX is deprecated.
|
||||||
Dont use it for new drivers.
|
Don't use it for new drivers.
|
||||||
|
|
||||||
Context: Process with BHs disabled or BH (timer),
|
Context: Process with BHs disabled or BH (timer),
|
||||||
will be called with interrupts disabled by netconsole.
|
will be called with interrupts disabled by netconsole.
|
||||||
|
@ -36,7 +36,7 @@ Phonet packets have a common header as follows:
|
|||||||
On Linux, the link-layer header includes the pn_media byte (see below).
|
On Linux, the link-layer header includes the pn_media byte (see below).
|
||||||
The next 7 bytes are part of the network-layer header.
|
The next 7 bytes are part of the network-layer header.
|
||||||
|
|
||||||
The device ID is split: the 6 higher-order bits consitute the device
|
The device ID is split: the 6 higher-order bits constitute the device
|
||||||
address, while the 2 lower-order bits are used for multiplexing, as are
|
address, while the 2 lower-order bits are used for multiplexing, as are
|
||||||
the 8-bit object identifiers. As such, Phonet can be considered as a
|
the 8-bit object identifiers. As such, Phonet can be considered as a
|
||||||
network layer with 6 bits of address space and 10 bits for transport
|
network layer with 6 bits of address space and 10 bits for transport
|
||||||
|
@ -89,7 +89,7 @@ added to this document when its support is enabled.
|
|||||||
Device drivers who provide their own built regulatory domain
|
Device drivers who provide their own built regulatory domain
|
||||||
do not need a callback as the channels registered by them are
|
do not need a callback as the channels registered by them are
|
||||||
the only ones that will be allowed and therefore *additional*
|
the only ones that will be allowed and therefore *additional*
|
||||||
cannels cannot be enabled.
|
channels cannot be enabled.
|
||||||
|
|
||||||
Example code - drivers hinting an alpha2:
|
Example code - drivers hinting an alpha2:
|
||||||
------------------------------------------
|
------------------------------------------
|
||||||
|
@ -178,5 +178,5 @@ Consumers can uregister interest by calling :-
|
|||||||
int regulator_unregister_notifier(struct regulator *regulator,
|
int regulator_unregister_notifier(struct regulator *regulator,
|
||||||
struct notifier_block *nb);
|
struct notifier_block *nb);
|
||||||
|
|
||||||
Regulators use the kernel notifier framework to send event to thier interested
|
Regulators use the kernel notifier framework to send event to their interested
|
||||||
consumers.
|
consumers.
|
||||||
|
@ -119,7 +119,7 @@ Some terms used in this document:-
|
|||||||
battery power, USB power)
|
battery power, USB power)
|
||||||
|
|
||||||
Regulator Domains: is the new current limit within the
|
Regulator Domains: is the new current limit within the
|
||||||
regulator operating parameters for input/ouput voltage.
|
regulator operating parameters for input/output voltage.
|
||||||
|
|
||||||
If the regulator request passes all the constraint tests
|
If the regulator request passes all the constraint tests
|
||||||
then the new regulator value is applied.
|
then the new regulator value is applied.
|
||||||
|
@ -63,7 +63,7 @@ hardware during resume operations where a value can be set that will
|
|||||||
survive a reboot.
|
survive a reboot.
|
||||||
|
|
||||||
Consequence is that after a resume (even if it is successful) your system
|
Consequence is that after a resume (even if it is successful) your system
|
||||||
clock will have a value corresponding to the magic mumber instead of the
|
clock will have a value corresponding to the magic number instead of the
|
||||||
correct date/time! It is therefore advisable to use a program like ntp-date
|
correct date/time! It is therefore advisable to use a program like ntp-date
|
||||||
or rdate to reset the correct date/time from an external time source when
|
or rdate to reset the correct date/time from an external time source when
|
||||||
using this trace option.
|
using this trace option.
|
||||||
|
@ -109,7 +109,7 @@ unfreeze user space processes frozen by SNAPSHOT_UNFREEZE if they are
|
|||||||
still frozen when the device is being closed).
|
still frozen when the device is being closed).
|
||||||
|
|
||||||
Currently it is assumed that the userland utilities reading/writing the
|
Currently it is assumed that the userland utilities reading/writing the
|
||||||
snapshot image from/to the kernel will use a swap parition, called the resume
|
snapshot image from/to the kernel will use a swap partition, called the resume
|
||||||
partition, or a swap file as storage space (if a swap file is used, the resume
|
partition, or a swap file as storage space (if a swap file is used, the resume
|
||||||
partition is the partition that holds this file). However, this is not really
|
partition is the partition that holds this file). However, this is not really
|
||||||
required, as they can use, for example, a special (blank) suspend partition or
|
required, as they can use, for example, a special (blank) suspend partition or
|
||||||
|
@ -1356,7 +1356,7 @@ platforms are moved over to use the flattened-device-tree model.
|
|||||||
- phy-map : 1 cell, optional, bitmap of addresses to probe the PHY
|
- phy-map : 1 cell, optional, bitmap of addresses to probe the PHY
|
||||||
for, used if phy-address is absent. bit 0x00000001 is
|
for, used if phy-address is absent. bit 0x00000001 is
|
||||||
MDIO address 0.
|
MDIO address 0.
|
||||||
For Axon it can be absent, thouugh my current driver
|
For Axon it can be absent, though my current driver
|
||||||
doesn't handle phy-address yet so for now, keep
|
doesn't handle phy-address yet so for now, keep
|
||||||
0x00ffffff in it.
|
0x00ffffff in it.
|
||||||
- rx-fifo-size-gige : 1 cell, Rx fifo size in bytes for 1000 Mb/sec
|
- rx-fifo-size-gige : 1 cell, Rx fifo size in bytes for 1000 Mb/sec
|
||||||
@ -1438,7 +1438,7 @@ platforms are moved over to use the flattened-device-tree model.
|
|||||||
|
|
||||||
The Xilinx EDK toolchain ships with a set of IP cores (devices) for use
|
The Xilinx EDK toolchain ships with a set of IP cores (devices) for use
|
||||||
in Xilinx Spartan and Virtex FPGAs. The devices cover the whole range
|
in Xilinx Spartan and Virtex FPGAs. The devices cover the whole range
|
||||||
of standard device types (network, serial, etc.) and miscellanious
|
of standard device types (network, serial, etc.) and miscellaneous
|
||||||
devices (gpio, LCD, spi, etc). Also, since these devices are
|
devices (gpio, LCD, spi, etc). Also, since these devices are
|
||||||
implemented within the fpga fabric every instance of the device can be
|
implemented within the fpga fabric every instance of the device can be
|
||||||
synthesised with different options that change the behaviour.
|
synthesised with different options that change the behaviour.
|
||||||
|
@ -19,7 +19,7 @@ Example:
|
|||||||
reg = <119c0 30>;
|
reg = <119c0 30>;
|
||||||
}
|
}
|
||||||
|
|
||||||
* Properties common to mulitple CPM/QE devices
|
* Properties common to multiple CPM/QE devices
|
||||||
|
|
||||||
- fsl,cpm-command : This value is ORed with the opcode and command flag
|
- fsl,cpm-command : This value is ORed with the opcode and command flag
|
||||||
to specify the device on which a CPM command operates.
|
to specify the device on which a CPM command operates.
|
||||||
|
@ -1,6 +1,6 @@
|
|||||||
* Freescale MSI interrupt controller
|
* Freescale MSI interrupt controller
|
||||||
|
|
||||||
Reguired properities:
|
Required properties:
|
||||||
- compatible : compatible list, contains 2 entries,
|
- compatible : compatible list, contains 2 entries,
|
||||||
first is "fsl,CHIP-msi", where CHIP is the processor(mpc8610, mpc8572,
|
first is "fsl,CHIP-msi", where CHIP is the processor(mpc8610, mpc8572,
|
||||||
etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" depending on
|
etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" depending on
|
||||||
|
@ -15,8 +15,8 @@ Properties:
|
|||||||
compatible; all statements below that apply to "fsl,mpc8548-pmc" also
|
compatible; all statements below that apply to "fsl,mpc8548-pmc" also
|
||||||
apply to "fsl,mpc8641d-pmc".
|
apply to "fsl,mpc8641d-pmc".
|
||||||
|
|
||||||
Compatibility does not include bit assigments in SCCR/PMCDR/DEVDISR; these
|
Compatibility does not include bit assignments in SCCR/PMCDR/DEVDISR; these
|
||||||
bit assigments are indicated via the sleep specifier in each device's
|
bit assignments are indicated via the sleep specifier in each device's
|
||||||
sleep property.
|
sleep property.
|
||||||
|
|
||||||
- reg: For devices compatible with "fsl,mpc8349-pmc", the first resource
|
- reg: For devices compatible with "fsl,mpc8349-pmc", the first resource
|
||||||
|
@ -225,7 +225,7 @@ For example, to match the 8323, revision 1.0:
|
|||||||
soc.major = 1
|
soc.major = 1
|
||||||
soc.minor = 0
|
soc.minor = 0
|
||||||
|
|
||||||
'padding' is neccessary for structure alignment. This field ensures that the
|
'padding' is necessary for structure alignment. This field ensures that the
|
||||||
'extended_modes' field is aligned on a 64-bit boundary.
|
'extended_modes' field is aligned on a 64-bit boundary.
|
||||||
|
|
||||||
'extended_modes' is a bitfield that defines special functionality which has an
|
'extended_modes' is a bitfield that defines special functionality which has an
|
||||||
|
@ -1984,7 +1984,7 @@ break *$pc
|
|||||||
|
|
||||||
break *0x400618
|
break *0x400618
|
||||||
|
|
||||||
heres a really useful one for large programs
|
Here's a really useful one for large programs
|
||||||
rbr
|
rbr
|
||||||
Set a breakpoint for all functions matching REGEXP
|
Set a breakpoint for all functions matching REGEXP
|
||||||
e.g.
|
e.g.
|
||||||
@ -2211,7 +2211,7 @@ Breakpoint 2 at 0x4d87a4: file top.c, line 2609.
|
|||||||
#5 0x51692c in readline_internal () at readline.c:521
|
#5 0x51692c in readline_internal () at readline.c:521
|
||||||
#6 0x5164fe in readline (prompt=0x7ffff810 "\177ÿøx\177ÿ÷Ø\177ÿøxÀ")
|
#6 0x5164fe in readline (prompt=0x7ffff810 "\177ÿøx\177ÿ÷Ø\177ÿøxÀ")
|
||||||
at readline.c:349
|
at readline.c:349
|
||||||
#7 0x4d7a8a in command_line_input (prrompt=0x564420 "(gdb) ", repeat=1,
|
#7 0x4d7a8a in command_line_input (prompt=0x564420 "(gdb) ", repeat=1,
|
||||||
annotation_suffix=0x4d6b44 "prompt") at top.c:2091
|
annotation_suffix=0x4d6b44 "prompt") at top.c:2091
|
||||||
#8 0x4d6cf0 in command_loop () at top.c:1345
|
#8 0x4d6cf0 in command_loop () at top.c:1345
|
||||||
#9 0x4e25bc in main (argc=1, argv=0x7ffffdf4) at main.c:635
|
#9 0x4e25bc in main (argc=1, argv=0x7ffffdf4) at main.c:635
|
||||||
|
@ -55,7 +55,7 @@ To sum it up: we always wanted to make nice levels more consistent, but
|
|||||||
within the constraints of HZ and jiffies and their nasty design level
|
within the constraints of HZ and jiffies and their nasty design level
|
||||||
coupling to timeslices and granularity it was not really viable.
|
coupling to timeslices and granularity it was not really viable.
|
||||||
|
|
||||||
The second (less frequent but still periodically occuring) complaint
|
The second (less frequent but still periodically occurring) complaint
|
||||||
about Linux's nice level support was its assymetry around the origo
|
about Linux's nice level support was its assymetry around the origo
|
||||||
(which you can see demonstrated in the picture above), or more
|
(which you can see demonstrated in the picture above), or more
|
||||||
accurately: the fact that nice level behavior depended on the _absolute_
|
accurately: the fact that nice level behavior depended on the _absolute_
|
||||||
|
@ -194,7 +194,7 @@ The following information is available in this file:
|
|||||||
- Packetized SCSI Protocol at 160MB/s and 320MB/s
|
- Packetized SCSI Protocol at 160MB/s and 320MB/s
|
||||||
- Quick Arbitration Selection (QAS)
|
- Quick Arbitration Selection (QAS)
|
||||||
- Retained Training Information (Rev B. ASIC only)
|
- Retained Training Information (Rev B. ASIC only)
|
||||||
- Interrupt Coalessing
|
- Interrupt Coalescing
|
||||||
- Initiator Mode (target mode not currently
|
- Initiator Mode (target mode not currently
|
||||||
supported)
|
supported)
|
||||||
- Support for the PCI-X standard up to 133MHz
|
- Support for the PCI-X standard up to 133MHz
|
||||||
|
@ -206,7 +206,7 @@ of MOVE MEMORY instructions.
|
|||||||
The 896 and the 895A allows handling of the phase mismatch context from
|
The 896 and the 895A allows handling of the phase mismatch context from
|
||||||
SCRIPTS (avoids the phase mismatch interrupt that stops the SCSI processor
|
SCRIPTS (avoids the phase mismatch interrupt that stops the SCSI processor
|
||||||
until the C code has saved the context of the transfer).
|
until the C code has saved the context of the transfer).
|
||||||
Implementing this without using LOAD/STORE instructions would be painfull
|
Implementing this without using LOAD/STORE instructions would be painful
|
||||||
and I didn't even want to try it.
|
and I didn't even want to try it.
|
||||||
|
|
||||||
The 896 chip supports 64 bit PCI transactions and addressing, while the
|
The 896 chip supports 64 bit PCI transactions and addressing, while the
|
||||||
@ -240,7 +240,7 @@ characteristics. This feature may also reduce average command latency.
|
|||||||
In order to really gain advantage of this feature, devices must have
|
In order to really gain advantage of this feature, devices must have
|
||||||
a reasonable cache size (No miracle is to be expected for a low-end
|
a reasonable cache size (No miracle is to be expected for a low-end
|
||||||
hard disk with 128 KB or less).
|
hard disk with 128 KB or less).
|
||||||
Some kown SCSI devices do not properly support tagged command queuing.
|
Some known SCSI devices do not properly support tagged command queuing.
|
||||||
Generally, firmware revisions that fix this kind of problems are available
|
Generally, firmware revisions that fix this kind of problems are available
|
||||||
at respective vendor web/ftp sites.
|
at respective vendor web/ftp sites.
|
||||||
All I can say is that the hard disks I use on my machines behave well with
|
All I can say is that the hard disks I use on my machines behave well with
|
||||||
|
@ -206,7 +206,7 @@ characteristics. This feature may also reduce average command latency.
|
|||||||
In order to really gain advantage of this feature, devices must have
|
In order to really gain advantage of this feature, devices must have
|
||||||
a reasonable cache size (No miracle is to be expected for a low-end
|
a reasonable cache size (No miracle is to be expected for a low-end
|
||||||
hard disk with 128 KB or less).
|
hard disk with 128 KB or less).
|
||||||
Some kown old SCSI devices do not properly support tagged command queuing.
|
Some known old SCSI devices do not properly support tagged command queuing.
|
||||||
Generally, firmware revisions that fix this kind of problems are available
|
Generally, firmware revisions that fix this kind of problems are available
|
||||||
at respective vendor web/ftp sites.
|
at respective vendor web/ftp sites.
|
||||||
All I can say is that I never have had problem with tagged queuing using
|
All I can say is that I never have had problem with tagged queuing using
|
||||||
|
@ -754,7 +754,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
|
|||||||
single_cmd - Use single immediate commands to communicate with
|
single_cmd - Use single immediate commands to communicate with
|
||||||
codecs (for debugging only)
|
codecs (for debugging only)
|
||||||
enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
|
enable_msi - Enable Message Signaled Interrupt (MSI) (default = off)
|
||||||
power_save - Automatic power-saving timtout (in second, 0 =
|
power_save - Automatic power-saving timeout (in second, 0 =
|
||||||
disable)
|
disable)
|
||||||
power_save_controller - Reset HD-audio controller in power-saving mode
|
power_save_controller - Reset HD-audio controller in power-saving mode
|
||||||
(default = on)
|
(default = on)
|
||||||
|
@ -16,7 +16,7 @@ methods for the HD-audio hardware.
|
|||||||
The HD-audio component consists of two parts: the controller chip and
|
The HD-audio component consists of two parts: the controller chip and
|
||||||
the codec chips on the HD-audio bus. Linux provides a single driver
|
the codec chips on the HD-audio bus. Linux provides a single driver
|
||||||
for all controllers, snd-hda-intel. Although the driver name contains
|
for all controllers, snd-hda-intel. Although the driver name contains
|
||||||
a word of a well-known harware vendor, it's not specific to it but for
|
a word of a well-known hardware vendor, it's not specific to it but for
|
||||||
all controller chips by other companies. Since the HD-audio
|
all controller chips by other companies. Since the HD-audio
|
||||||
controllers are supposed to be compatible, the single snd-hda-driver
|
controllers are supposed to be compatible, the single snd-hda-driver
|
||||||
should work in most cases. But, not surprisingly, there are known
|
should work in most cases. But, not surprisingly, there are known
|
||||||
|
@ -114,7 +114,7 @@ For writing a sequence of verbs, use snd_hda_sequence_write().
|
|||||||
|
|
||||||
There are variants of cached read/write, snd_hda_codec_write_cache(),
|
There are variants of cached read/write, snd_hda_codec_write_cache(),
|
||||||
snd_hda_sequence_write_cache(). These are used for recording the
|
snd_hda_sequence_write_cache(). These are used for recording the
|
||||||
register states for the power-mangement resume. When no PM is needed,
|
register states for the power-management resume. When no PM is needed,
|
||||||
these are equivalent with non-cached version.
|
these are equivalent with non-cached version.
|
||||||
|
|
||||||
To retrieve the number of sub nodes connected to the given node, use
|
To retrieve the number of sub nodes connected to the given node, use
|
||||||
|
@ -358,7 +358,7 @@ nr_pdflush_threads
|
|||||||
The current number of pdflush threads. This value is read-only.
|
The current number of pdflush threads. This value is read-only.
|
||||||
The value changes according to the number of dirty pages in the system.
|
The value changes according to the number of dirty pages in the system.
|
||||||
|
|
||||||
When neccessary, additional pdflush threads are created, one per second, up to
|
When necessary, additional pdflush threads are created, one per second, up to
|
||||||
nr_pdflush_threads_max.
|
nr_pdflush_threads_max.
|
||||||
|
|
||||||
==============================================================
|
==============================================================
|
||||||
@ -565,7 +565,7 @@ swappiness
|
|||||||
|
|
||||||
This control is used to define how aggressive the kernel will swap
|
This control is used to define how aggressive the kernel will swap
|
||||||
memory pages. Higher values will increase agressiveness, lower values
|
memory pages. Higher values will increase agressiveness, lower values
|
||||||
descrease the amount of swap.
|
decrease the amount of swap.
|
||||||
|
|
||||||
The default value is 60.
|
The default value is 60.
|
||||||
|
|
||||||
|
@ -7,7 +7,7 @@ by Intel and Microsoft which can be found at
|
|||||||
|
|
||||||
Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision")
|
Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision")
|
||||||
and up to 32 comparators. Normally three or more comparators are provided,
|
and up to 32 comparators. Normally three or more comparators are provided,
|
||||||
each of which can generate oneshot interupts and at least one of which has
|
each of which can generate oneshot interrupts and at least one of which has
|
||||||
additional hardware to support periodic interrupts. The comparators are
|
additional hardware to support periodic interrupts. The comparators are
|
||||||
also called "timers", which can be misleading since usually timers are
|
also called "timers", which can be misleading since usually timers are
|
||||||
independent of each other ... these share a counter, complicating resets.
|
independent of each other ... these share a counter, complicating resets.
|
||||||
|
@ -62,7 +62,7 @@ Timerstats sample period: 3.888770 s
|
|||||||
|
|
||||||
The first column is the number of events, the second column the pid, the third
|
The first column is the number of events, the second column the pid, the third
|
||||||
column is the name of the process. The forth column shows the function which
|
column is the name of the process. The forth column shows the function which
|
||||||
initialized the timer and in parantheses the callback function which was
|
initialized the timer and in parenthesis the callback function which was
|
||||||
executed on expiry.
|
executed on expiry.
|
||||||
|
|
||||||
Thomas, Ingo
|
Thomas, Ingo
|
||||||
|
@ -84,7 +84,7 @@ The different logical parts of this driver are:
|
|||||||
|
|
||||||
*UWB*: the Ultra-Wide-Band stack -- manages the radio and
|
*UWB*: the Ultra-Wide-Band stack -- manages the radio and
|
||||||
associated spectrum to allow for devices sharing it. Allows to
|
associated spectrum to allow for devices sharing it. Allows to
|
||||||
control bandwidth assingment, beaconing, scanning, etc
|
control bandwidth assignment, beaconing, scanning, etc
|
||||||
|
|
||||||
*
|
*
|
||||||
|
|
||||||
@ -184,7 +184,7 @@ and sends the replies and notifications back to the API
|
|||||||
[/uwb_rc_neh_grok()/]. Notifications are handled to the UWB daemon, that
|
[/uwb_rc_neh_grok()/]. Notifications are handled to the UWB daemon, that
|
||||||
is chartered, among other things, to keep the tab of how the UWB radio
|
is chartered, among other things, to keep the tab of how the UWB radio
|
||||||
neighborhood looks, creating and destroying devices as they show up or
|
neighborhood looks, creating and destroying devices as they show up or
|
||||||
dissapear.
|
disappear.
|
||||||
|
|
||||||
Command execution is very simple: a command block is sent and a event
|
Command execution is very simple: a command block is sent and a event
|
||||||
block or reply is expected back. For sending/receiving command/events, a
|
block or reply is expected back. For sending/receiving command/events, a
|
||||||
@ -333,7 +333,7 @@ read descriptors and move our data.
|
|||||||
|
|
||||||
*Device life cycle and keep alives*
|
*Device life cycle and keep alives*
|
||||||
|
|
||||||
Everytime there is a succesful transfer to/from a device, we update a
|
Every time there is a successful transfer to/from a device, we update a
|
||||||
per-device activity timestamp. If not, every now and then we check and
|
per-device activity timestamp. If not, every now and then we check and
|
||||||
if the activity timestamp gets old, we ping the device by sending it a
|
if the activity timestamp gets old, we ping the device by sending it a
|
||||||
Keep Alive IE; it responds with a /DN_Alive/ pong during the DNTS (this
|
Keep Alive IE; it responds with a /DN_Alive/ pong during the DNTS (this
|
||||||
@ -411,7 +411,7 @@ context (wa_xfer) and submit it. When the xfer is done, our callback is
|
|||||||
called and we assign the status bits and release the xfer resources.
|
called and we assign the status bits and release the xfer resources.
|
||||||
|
|
||||||
In dequeue() we are basically cancelling/aborting the transfer. We issue
|
In dequeue() we are basically cancelling/aborting the transfer. We issue
|
||||||
a xfer abort request to the HC, cancell all the URBs we had submitted
|
a xfer abort request to the HC, cancel all the URBs we had submitted
|
||||||
and not yet done and when all that is done, the xfer callback will be
|
and not yet done and when all that is done, the xfer callback will be
|
||||||
called--this will call the URB callback.
|
called--this will call the URB callback.
|
||||||
|
|
||||||
|
@ -27,7 +27,7 @@ Association and disassociation of URBs with anchors
|
|||||||
|
|
||||||
An association of URBs to an anchor is made by an explicit
|
An association of URBs to an anchor is made by an explicit
|
||||||
call to usb_anchor_urb(). The association is maintained until
|
call to usb_anchor_urb(). The association is maintained until
|
||||||
an URB is finished by (successfull) completion. Thus disassociation
|
an URB is finished by (successful) completion. Thus disassociation
|
||||||
is automatic. A function is provided to forcibly finish (kill)
|
is automatic. A function is provided to forcibly finish (kill)
|
||||||
all URBs associated with an anchor.
|
all URBs associated with an anchor.
|
||||||
Furthermore, disassociation can be made with usb_unanchor_urb()
|
Furthermore, disassociation can be made with usb_unanchor_urb()
|
||||||
@ -76,4 +76,4 @@ usb_get_from_anchor()
|
|||||||
Returns the oldest anchored URB of an anchor. The URB is unanchored
|
Returns the oldest anchored URB of an anchor. The URB is unanchored
|
||||||
and returned with a reference. As you may mix URBs to several
|
and returned with a reference. As you may mix URBs to several
|
||||||
destinations in one anchor you have no guarantee the chronologically
|
destinations in one anchor you have no guarantee the chronologically
|
||||||
first submitted URB is returned.
|
first submitted URB is returned.
|
||||||
|
@ -11,7 +11,7 @@ encoder chip:
|
|||||||
2) Some people have problems getting the i2c bus to work.
|
2) Some people have problems getting the i2c bus to work.
|
||||||
The symptom is that the eeprom cannot be read and the card is
|
The symptom is that the eeprom cannot be read and the card is
|
||||||
unusable. This is probably fixed, but if you have problems
|
unusable. This is probably fixed, but if you have problems
|
||||||
then post to the video4linux or ivtv-users mailinglist.
|
then post to the video4linux or ivtv-users mailing list.
|
||||||
|
|
||||||
3) VBI (raw or sliced) has not yet been implemented.
|
3) VBI (raw or sliced) has not yet been implemented.
|
||||||
|
|
||||||
|
@ -130,7 +130,7 @@ mpi_ioc.h
|
|||||||
* 08-08-01 01.02.01 Original release for v1.2 work.
|
* 08-08-01 01.02.01 Original release for v1.2 work.
|
||||||
* New format for FWVersion and ProductId in
|
* New format for FWVersion and ProductId in
|
||||||
* MSG_IOC_FACTS_REPLY and MPI_FW_HEADER.
|
* MSG_IOC_FACTS_REPLY and MPI_FW_HEADER.
|
||||||
* 08-31-01 01.02.02 Addded event MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE and
|
* 08-31-01 01.02.02 Added event MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE and
|
||||||
* related structure and defines.
|
* related structure and defines.
|
||||||
* Added event MPI_EVENT_ON_BUS_TIMER_EXPIRED.
|
* Added event MPI_EVENT_ON_BUS_TIMER_EXPIRED.
|
||||||
* Added MPI_IOCINIT_FLAGS_DISCARD_FW_IMAGE.
|
* Added MPI_IOCINIT_FLAGS_DISCARD_FW_IMAGE.
|
||||||
@ -190,7 +190,7 @@ mpi_ioc.h
|
|||||||
* 10-11-06 01.05.12 Added MPI_IOCFACTS_EXCEPT_METADATA_UNSUPPORTED.
|
* 10-11-06 01.05.12 Added MPI_IOCFACTS_EXCEPT_METADATA_UNSUPPORTED.
|
||||||
* Added MaxInitiators field to PortFacts reply.
|
* Added MaxInitiators field to PortFacts reply.
|
||||||
* Added SAS Device Status Change ReasonCode for
|
* Added SAS Device Status Change ReasonCode for
|
||||||
* asynchronous notificaiton.
|
* asynchronous notification.
|
||||||
* Added MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE and event
|
* Added MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE and event
|
||||||
* data structure.
|
* data structure.
|
||||||
* Added new ImageType values for FWDownload and FWUpload
|
* Added new ImageType values for FWDownload and FWUpload
|
||||||
@ -623,7 +623,7 @@ mpi_fc.h
|
|||||||
* 11-02-00 01.01.01 Original release for post 1.0 work
|
* 11-02-00 01.01.01 Original release for post 1.0 work
|
||||||
* 12-04-00 01.01.02 Added messages for Common Transport Send and
|
* 12-04-00 01.01.02 Added messages for Common Transport Send and
|
||||||
* Primitive Send.
|
* Primitive Send.
|
||||||
* 01-09-01 01.01.03 Modifed some of the new flags to have an MPI prefix
|
* 01-09-01 01.01.03 Modified some of the new flags to have an MPI prefix
|
||||||
* and modified the FcPrimitiveSend flags.
|
* and modified the FcPrimitiveSend flags.
|
||||||
* 01-25-01 01.01.04 Move InitiatorIndex in LinkServiceRsp reply to a larger
|
* 01-25-01 01.01.04 Move InitiatorIndex in LinkServiceRsp reply to a larger
|
||||||
* field.
|
* field.
|
||||||
|
@ -2,7 +2,7 @@ This is a driver for the WIS GO7007SB multi-format video encoder.
|
|||||||
|
|
||||||
Pete Eberlein <pete@sensoray.com>
|
Pete Eberlein <pete@sensoray.com>
|
||||||
|
|
||||||
The driver was orignally released under the GPL and is currently hosted at:
|
The driver was originally released under the GPL and is currently hosted at:
|
||||||
http://nikosapi.org/wiki/index.php/WIS_Go7007_Linux_driver
|
http://nikosapi.org/wiki/index.php/WIS_Go7007_Linux_driver
|
||||||
The go7007 firmware can be acquired from the package on the site above.
|
The go7007 firmware can be acquired from the package on the site above.
|
||||||
|
|
||||||
@ -24,7 +24,7 @@ These should be used instead of the non-standard GO7007 ioctls described
|
|||||||
below.
|
below.
|
||||||
|
|
||||||
|
|
||||||
The README files from the orignal package appear below:
|
The README files from the original package appears below:
|
||||||
|
|
||||||
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
||||||
WIS GO7007SB Public Linux Driver
|
WIS GO7007SB Public Linux Driver
|
||||||
|
@ -3,7 +3,7 @@ characters 0 to 7. The escape code to define a new character is
|
|||||||
'\e[LG' followed by one digit from 0 to 7, representing the character
|
'\e[LG' followed by one digit from 0 to 7, representing the character
|
||||||
number, and up to 8 couples of hex digits terminated by a semi-colon
|
number, and up to 8 couples of hex digits terminated by a semi-colon
|
||||||
(';'). Each couple of digits represents a line, with 1-bits for each
|
(';'). Each couple of digits represents a line, with 1-bits for each
|
||||||
illuminated pixel with LSB on the right. Lines are numberred from the
|
illuminated pixel with LSB on the right. Lines are numbered from the
|
||||||
top of the character to the bottom. On a 5x7 matrix, only the 5 lower
|
top of the character to the bottom. On a 5x7 matrix, only the 5 lower
|
||||||
bits of the 7 first bytes are used for each character. If the string
|
bits of the 7 first bytes are used for each character. If the string
|
||||||
is incomplete, only complete lines will be redefined. Here are some
|
is incomplete, only complete lines will be redefined. Here are some
|
||||||
|
Loading…
Reference in New Issue
Block a user