Re: [PATCH] soundwire: stream: uniquify dev_err() logs

From: Vinod Koul
Date: Wed Mar 15 2023 - 06:10:04 EST


On 09-03-23, 13:49, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxx>
> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
> Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
> ---
> drivers/soundwire/stream.c | 18 ++++++++++--------
> 1 file changed, 10 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
> index 2e39587ed1de..dd09855caac9 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);
> + pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);

why make it pr_ and loose the dev name? There is a trick to emit
function for dev_err too using dynamic debug


> goto restore_params;
> }
>
> @@ -1477,7 +1477,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream)
> /* Program params */
> ret = sdw_program_params(bus, false);
> if (ret < 0) {
> - dev_err(bus->dev, "Program params failed: %d\n", ret);
> + dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
> return ret;
> }
>
> @@ -1497,7 +1497,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream)
>
> ret = do_bank_switch(stream);
> if (ret < 0) {
> - dev_err(bus->dev, "Bank switch failed: %d\n", ret);
> + pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);
> return ret;
> }
>
> @@ -1567,14 +1567,14 @@ static int _sdw_disable_stream(struct sdw_stream_runtime *stream)
> /* Program params */
> ret = sdw_program_params(bus, false);
> if (ret < 0) {
> - dev_err(bus->dev, "Program params failed: %d\n", ret);
> + dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
> return ret;
> }
> }
>
> ret = do_bank_switch(stream);
> if (ret < 0) {
> - pr_err("Bank switch failed: %d\n", ret);
> + pr_err("%s: do_bank_switch failed: %d\n", __func__, ret);
> return ret;
> }
>
> @@ -1664,7 +1664,7 @@ static int _sdw_deprepare_stream(struct sdw_stream_runtime *stream)
> /* Program params */
> ret = sdw_program_params(bus, false);
> if (ret < 0) {
> - dev_err(bus->dev, "Program params failed: %d\n", ret);
> + dev_err(bus->dev, "%s: Program params failed: %d\n", __func__, ret);
> return ret;
> }
> }
> @@ -1893,7 +1893,8 @@ int sdw_stream_add_master(struct sdw_bus *bus,
>
> m_rt = sdw_master_rt_alloc(bus, stream);
> if (!m_rt) {
> - dev_err(bus->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
> + dev_err(bus->dev, "%s: Master runtime alloc failed for stream:%s\n",
> + __func__, stream->name);
> ret = -ENOMEM;
> goto unlock;
> }
> @@ -2012,7 +2013,8 @@ int sdw_stream_add_slave(struct sdw_slave *slave,
> */
> m_rt = sdw_master_rt_alloc(slave->bus, stream);
> if (!m_rt) {
> - dev_err(&slave->dev, "Master runtime alloc failed for stream:%s\n", stream->name);
> + dev_err(&slave->dev, "%s: Master runtime alloc failed for stream:%s\n",
> + __func__, stream->name);
> ret = -ENOMEM;
> goto unlock;
> }
> --
> 2.25.1

--
~Vinod