Re: [PATCH][next] soundwire: intel_auxdevice: remove redundant assignment to variable link_flags

From: Pierre-Louis Bossart
Date: Mon Feb 05 2024 - 16:35:26 EST


Thanks for the clean-up!

> The variable link_flags is being initialized with a value that is never
> read, it is being re-assigned later on. The initialization is
> redundant and can be removed.
>
> Cleans up clang scan build warning:
> drivers/soundwire/intel_auxdevice.c:624:2: warning: Value stored
> to 'link_flags' is never read [deadcode.DeadStores]
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
> drivers/soundwire/intel_auxdevice.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c
> index 93698532deac..95125cc2fc59 100644
> --- a/drivers/soundwire/intel_auxdevice.c
> +++ b/drivers/soundwire/intel_auxdevice.c
> @@ -621,8 +621,6 @@ static int __maybe_unused intel_resume(struct device *dev)
> return 0;
> }
>
> - link_flags = md_flags >> (bus->link_id * 8);
> -

this redundant line is 3+ years old now, added in a2d9c161db24
("soundwire: intel: pm_runtime idle scheduling")

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

> if (pm_runtime_suspended(dev)) {
> dev_dbg(dev, "pm_runtime status was suspended, forcing active\n");
>