linux

mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-11 03:48:00 +00:00

History

Ben Dooks a342d215c2 gpio: fix probe() error return in gpio driver probes

A number of drivers in drivers/gpio return -ENODEV when confronted with
missing setup parameters such as the platform data.  However, returning
-ENODEV causes the driver layer to silently ignore the driver as it
assumes the probe did not find anything and was only speculative.

To make life easier to discern why a driver is not being attached, change
to returning -EINVAL, which is a better description of the fact that the
driver data was not valid.

Also add a set of dev_dbg() statements to the error paths to provide an
better explanation of the error as there may be more that one point in the
driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2009-01-15 16:39:35 -08:00

bt8xxgpio.c

gpio: add bt8xxgpio driver

2008-07-25 10:53:30 -07:00

gpiolib.c

gpio: struct device - replace bus_id with dev_name(), dev_set_name()

2009-01-06 10:44:42 -08:00

Kconfig

gpio: pca953x handles more chips, i2c fault codes

2009-01-06 15:59:25 -08:00

Makefile

GPIO: add new Xilinx driver for powerpc