linux-kernel - Re: [PATCH 1/5] soundwire: stream: uniquify dev

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Date:   Fri, 13 Jan 2023 11:22:30 +0100
From:   Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>,
        alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     pierre-louis.bossart@...ux.intel.com, vinod.koul@...aro.org,
        bard.liao@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] soundwire: stream: uniquify dev_err() logs

On 1/13/2023 10:35 AM, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> 
> There are a couple of duplicate logs which makes harder than needed to
> follow the error flows. Add __func__ or make the log unique.
> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> ---
>   drivers/soundwire/stream.c | 14 ++++++++------
>   1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
> index df3b36670df4..e0eae0b98267 100644
> --- a/drivers/soundwire/stream.c
> +++ b/drivers/soundwire/stream.c
> @@ -1389,7 +1389,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream,
>   
>   	ret = do_bank_switch(stream);
>   	if (ret < 0) {
> -		dev_err(bus->dev, "Bank switch failed: %d\n", ret);
> +		dev_err(bus->dev, "do_bank_switch failed: %d\n", ret);
>   		goto restore_params;
>   	}

This one seems bit unrelated to the change and makes error message 
inconsistent with:
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire.git/tree/drivers/soundwire/stream.c?h=next&id=545c365185a47672b1d5cc13c84057a1e874993c#n1498
and
https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire.git/tree/drivers/soundwire/stream.c?h=next&id=545c365185a47672b1d5cc13c84057a1e874993c#n1575
which actually brings me to another suggestion, can this error message 
perhaps be just moved into do_bank_switch() function itself, instead of 
being duplicated multiple times or alternatively just also prefix all of 
them with function name?