| Message ID | 20200612045034.27425-3-warthog618@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | gpiolib: cdev: fixes for split from gpiolib.c | expand |
pt., 12 cze 2020 o 06:51 Kent Gibson <warthog618@gmail.com> napisał(a): > > Replace file comment carried over from gpiolib.c with one more > appropriate for gpiolib-cdev.c. > > Signed-off-by: Kent Gibson <warthog618@gmail.com> > --- > drivers/gpio/gpiolib-cdev.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c > index 58011ba88a1d..17d5541d76a0 100644 > --- a/drivers/gpio/gpiolib-cdev.c > +++ b/drivers/gpio/gpiolib-cdev.c > @@ -25,11 +25,10 @@ > #include "gpiolib.h" > #include "gpiolib-cdev.h" > > -/* Implementation infrastructure for GPIO interfaces. > +/* Character device interface to GPIO. > * > - * The GPIO programming interface allows for inlining speed-critical > - * get/set operations for common cases, so that access to SOC-integrated > - * GPIOs can sometimes cost only an instruction or two per bit. > + * The GPIO character device, /dev/gpiochipN, provides userspace an > + * interface to gpiolib GPIOs via ioctl()s. > */ > > /* > -- > 2.27.0 > Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 58011ba88a1d..17d5541d76a0 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -25,11 +25,10 @@ #include "gpiolib.h" #include "gpiolib-cdev.h" -/* Implementation infrastructure for GPIO interfaces. +/* Character device interface to GPIO. * - * The GPIO programming interface allows for inlining speed-critical - * get/set operations for common cases, so that access to SOC-integrated - * GPIOs can sometimes cost only an instruction or two per bit. + * The GPIO character device, /dev/gpiochipN, provides userspace an + * interface to gpiolib GPIOs via ioctl()s. */ /*
Replace file comment carried over from gpiolib.c with one more appropriate for gpiolib-cdev.c. Signed-off-by: Kent Gibson <warthog618@gmail.com> --- drivers/gpio/gpiolib-cdev.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)