Re: [PATCH 5/5] leds: trigger: netdev: use mutex instead of spinlocks

[Lee Jones <lee@kernel.org>]

On Wed, 19 Apr 2023, Christian Marangi wrote:

> Some LEDs may require to sleep while doing some operation like setting
> brightness and other cleanup.
> 
> For this reason, using a spinlock will cause a sleep under spinlock
> warning.
> 
> It should be safe to convert this to a sleepable lock since:
> - sysfs read/write can sleep
> - netdev_trig_work is a work queue and can sleep
> - netdev _trig_notify can sleep
> 
> The spinlock was used when brightness didn't support sleeping, but this
> changed and now it supported with brightness_set_blocking().
> 
> Convert to mutex lock to permit sleeping using brightness_set_blocking().
> 
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> ---
>  drivers/leds/trigger/ledtrig-netdev.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)

Applied, thanks

-- 
Lee Jones [李琼斯]