Messages in this thread |  | | Date | Thu, 12 Dec 2013 19:34:55 +0100 | Subject | Re: [PATCH v3] gpiolib: return -ENOENT if no GPIO mapping exists | From | Linus Walleij <> |
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On Wed, Dec 11, 2013 at 3:32 AM, Alexandre Courbot <acourbot@nvidia.com> wrote:
> Some devices drivers make use of optional GPIO parameters. For such > drivers, it is important to discriminate between the case where no > GPIO mapping has been defined for the function they are requesting, and > the case where a mapping exists but an error occured while resolving it > or when acquiring the GPIO. > > This patch changes the family of gpiod_get() functions such that they > will return -ENOENT if and only if no GPIO mapping is defined for the > requested function. Other error codes are used when an actual error > occured during the GPIO resolution. > > Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > Changes since v2: > - Put string on a single line (thanks Andy!) > - Added Andy's reviewed-by
Applied this v2 version with Mika's review tag.
Yours, Linus Walleij
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