On Tue, Aug 09, 2016 at 02:57:46PM -0700, David Hsu wrote:
> Exported pwm channels aren't removed before the pwmchip and are
> leaked. This results in invalid sysfs files. This fix removes
> all exported pwm channels before chip removal.
> 
> Signed-off-by: David Hsu <davidhsu@google.com>
> ---
>  drivers/pwm/core.c  |  2 ++
>  drivers/pwm/sysfs.c | 18 ++++++++++++++++++
>  include/linux/pwm.h |  5 +++++
>  3 files changed, 25 insertions(+)

I've applied this with the following added to the commit message:

	Fixes: 76abbdde2d95 ("pwm: Add sysfs interface")

since this seems to have been wrong since forever.

Thierry