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drivers/block/xsysace.c: fix id with missing port-number

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If the port number is missing from the device-tree the device gets named
xs` instead of xsa.  This fixes the check for missing ids.

Tested on ml507 board.

Signed-off-by: Gernot Vormayr <gvormayr@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Gernot Vormayr 2013-05-24 15:55:03 -07:00 committed by Linus Torvalds
parent 17fdfd0851
commit 585dc0c2f6
1 changed files with 1 additions and 2 deletions
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3
drivers/block/xsysace.c
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@ -1160,8 +1160,7 @@ static int ace_probe(struct platform_device *dev)
dev_dbg(&dev->dev, "ace_probe(%p)\n", dev);
/* device id and bus width */
of_property_read_u32(dev->dev.of_node, "port-number", &id);
if (id < 0)
if (of_property_read_u32(dev->dev.of_node, "port-number", &id))
id = 0;
if (of_find_property(dev->dev.of_node, "8-bit", NULL))
bus_width = ACE_BUS_WIDTH_8;