linux-kernel - Re: [PATCH v3 1/3] soundwire: bus: suppress probe deferral errors

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Message-ID: <28fbcffb-bf79-418d-93c9-cfe2516a69a5@linux.intel.com>
Date: Mon, 15 Jul 2024 11:23:27 +0200
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Johan Hovold <johan+linaro@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc: Sanyog Kale <sanyog.r.kale@...el.com>, alsa-devel@...a-project.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] soundwire: bus: suppress probe deferral errors



On 7/12/24 16:07, Johan Hovold wrote:
> Soundwire driver probe errors are currently being logged both by the bus
> code and driver core:
> 
> 	wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -12
> 	wsa884x-codec sdw:4:0:0217:0204:00:0: probe with driver wsa884x-codec failed with error -12
> 
> Drop the redundant bus error message, which is also incorrectly being
> logged on probe deferral:
> 
> 	wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -517
> 
> Note that no soundwire driver uses the driver struct name field, which
> will be removed by a follow-on change.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

> ---
>  drivers/soundwire/bus_type.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
> index c32faace618f..85fa5970d98a 100644
> --- a/drivers/soundwire/bus_type.c
> +++ b/drivers/soundwire/bus_type.c
> @@ -83,7 +83,6 @@ static int sdw_drv_probe(struct device *dev)
>  	struct sdw_slave *slave = dev_to_sdw_dev(dev);
>  	struct sdw_driver *drv = drv_to_sdw_driver(dev->driver);
>  	const struct sdw_device_id *id;
> -	const char *name;
>  	int ret;
>  
>  	/*
> @@ -108,11 +107,6 @@ static int sdw_drv_probe(struct device *dev)
>  
>  	ret = drv->probe(slave, id);
>  	if (ret) {
> -		name = drv->name;
> -		if (!name)
> -			name = drv->driver.name;
> -
> -		dev_err(dev, "Probe of %s failed: %d\n", name, ret);
>  		dev_pm_domain_detach(dev, false);
>  		return ret;
>  	}