[RESEND][PATCH] pwm: Set class for exported channels in sysfs

Thierry Reding thierry.reding at gmail.com
Tue Dec 5 00:27:42 PST 2017


On Fri, Jun 02, 2017 at 10:05:21AM +0000, Gottfried Haider wrote:
> Notifications for devices without bus or class set get dropped by
> dev_uevent_filter. Adding the class to the exported child matches
> what the gpio subsystem is doing.
> 
> With this change exporting a channel triggers a udev event, which
> gives userspace a chance to fixup permissions and makes it possible
> for non-root users to make use of the pwm subsystem.
> 
> Signed-off-by: Gottfried Haider <gottfried.haider at gmail.com>
> CC: Thierry Reding <thierry.reding at gmail.com>
> CC: H Hartley Sweeten <hsweeten at visionengravers.com>
> CC: linux-pwm at vger.kernel.org
> CC: linux-arm-kernel at lists.infradead.org
> CC: linux-rpi-kernel at lists.infradead.org
> ---
>  drivers/pwm/sysfs.c | 1 +
>  1 file changed, 1 insertion(+)

Sorry for the long delay, applied to for-next now.

Thanks,
Thierry
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