Messages in this thread | | | Subject | Re: [PATCH] gpio: clamp returned values to the boolean range | From | Joe Perches <> | Date | Tue, 04 Mar 2014 18:04:47 -0800 |
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On Wed, 2014-03-05 at 09:49 +0800, Linus Walleij wrote: > On Wed, Feb 26, 2014 at 9:40 AM, Alexandre Courbot <acourbot@nvidia.com> wrote: > > > Nothing prevents GPIO drivers from returning values outside the > > boolean range, and as it turns out a few drivers are actually doing so. > > These values were passed as-is to unsuspecting consumers and created > > confusion. > > > > This patch makes the internal _gpiod_get_raw_value() function return a > > bool, effectively clamping the GPIO value to the boolean range no > > matter what the driver does. > > No, that will not be the semantic effect of this patch, bool is just > another name for an int, maybe some static checkers will be able > to use it however.
No, a bool is not an int.
It's really different. include/linux/types.h:typedef _Bool bool;
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