Re: [PATCH 1/4] leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value

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On Wed, 12 Apr 2023, Hans de Goede wrote:

> led_blink_set[_oneshot]()'s delay_on and delay_off function parameters
> are pass by reference, so that hw-blink implementations can report
> back the actual achieved delays when the values have been rounded
> to something the hw supports.
> 
> This is really only interesting for the sysfs API / the timer trigger.
> Other triggers don't really care about this and none of the callers of
> led_trigger_blink[_oneshot]() do anything with the returned delay values.
> 
> Change the led_trigger_blink[_oneshot]() delay parameters to pass-by-value,
> there are 2 reasons for this:
> 
> 1. led_cdev->blink_set() may sleep, while led_trigger_blink() may not.
> So on hw where led_cdev->blink_set() sleeps the call needs to be deferred
> to a workqueue, in which case the actual achieved delays are unknown
> (this is a preparation patch for the deferring).
> 
> 2. Since the callers don't care about the actual achieved delays, allowing
> callers to directly pass a value leads to simpler code for most callers.
> 
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/leds/led-triggers.c              | 16 ++++++++--------
>  drivers/leds/trigger/ledtrig-disk.c      |  9 +++------
>  drivers/leds/trigger/ledtrig-mtd.c       |  8 ++------
>  drivers/net/arcnet/arcnet.c              |  8 ++------
>  drivers/power/supply/power_supply_leds.c |  5 +----
>  drivers/usb/common/led.c                 |  4 +---
>  include/linux/leds.h                     | 16 ++++++++--------
>  net/mac80211/led.c                       |  2 +-
>  net/mac80211/led.h                       |  8 ++------
>  net/netfilter/xt_LED.c                   |  3 +--
>  10 files changed, 29 insertions(+), 50 deletions(-)

Just came to apply this and realised that you have touched other
subsystems without Cc'ing the appropriate maintainers.

Please can you [RESEND] this set and include them please?

-- 
Lee Jones [李琼斯]



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