Re: [PATCH RFC 2/6 v3] gpio: Add sysfs support to block GPIO API

From: Roland Stigge
Date: Mon Oct 15 2012 - 14:15:37 EST


On 10/15/2012 08:07 PM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 21:11 Fri 12 Oct , Roland Stigge wrote:
>> This patch adds sysfs support to the block GPIO API.
>>
>> Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>
>>
>> ---
>> Documentation/ABI/testing/sysfs-gpio | 6
>> drivers/gpio/gpiolib.c | 226 ++++++++++++++++++++++++++++++++++-
>> include/asm-generic/gpio.h | 11 +
>> include/linux/gpio.h | 13 ++
>> 4 files changed, 254 insertions(+), 2 deletions(-)
> I really don't like this sysfs we need to add a specific device with ioctl

The good thing about the current style is that you have a single value
for the whole block in a single file just as for single GPIOs. You can
consider it as a generalized GPIO.

And I like it. :-)

Thanks for considering,

Roland
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