Dave Jiang ea941ac294 dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback ...

Current code blindly writes over the SWERR and the OVERFLOW bits. Write
back the bits actually read instead so the driver avoids clobbering the
OVERFLOW bit that comes after the register is read.

Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators")
Reported-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/161352082229.3511254.1002151220537623503.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

2021-04-12 13:26:03 +05:30

..

cdev.c

dmaengine: idxd: add IAX configuration support in the IDXD driver

2020-12-11 19:45:53 +05:30

device.c

dmaengine: idxd: check device state before issue command

2021-02-03 16:57:12 +05:30

dma.c

dmaengine updates for v5.12-rc1

2021-02-23 15:05:10 -08:00

idxd.h

dmaengine: idxd: check device state before issue command

2021-02-03 16:57:12 +05:30

init.c

dmaengine updates for v5.12-rc1

2021-02-23 15:05:10 -08:00

irq.c

dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback

2021-04-12 13:26:03 +05:30

Makefile

dmaengine: idxd: add char driver to expose submission portal to userland

2020-01-24 11:18:45 +05:30

registers.h

dmaengine updates for v5.11-rc1

2020-12-17 12:52:23 -08:00

submit.c

dmaengine updates for v5.11-rc1

2020-12-17 12:52:23 -08:00

sysfs.c

dmaengine: idxd: off by one in cleanup code

2020-12-29 10:07:59 +05:30