Re: [PATCH] staging: axis-fifo: media/meson: remove redundant dev_err call

From: Hans Verkuil <hverkuil@xs4all.nl>
To: Muhammad Usama Anjum <musamaanjum@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	"open list:STAGING SUBSYSTEM" <linux-staging@lists.linux.dev>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:MESON VIDEO DECODER DRIVER FOR AMLOGIC SOCS"
	<linux-media@vger.kernel.org>,
	"open list:MESON VIDEO DECODER DRIVER FOR AMLOGIC SOCS"
	<linux-amlogic@lists.infradead.org>,
	"moderated list:ARM/Amlogic Meson SoC support"
	<linux-arm-kernel@lists.infradead.org>
Cc: linqiheng@huawei.com, kernel-janitors@vger.kernel.org,
	dan.carpenter@oracle.com
Subject: Re: [PATCH] staging: axis-fifo: media/meson: remove redundant dev_err call
Date: Wed, 7 Apr 2021 16:05:26 +0200	[thread overview]
Message-ID: <93218bc8-2cbb-bacc-f985-876a842261c4@xs4all.nl> (raw)
In-Reply-To: <20210407101047.GA1491258@LEGION>

Hi Muhammad,

On 07/04/2021 12:10, Muhammad Usama Anjum wrote:
> devm_ioremap_resource() prints error message in itself. Remove the
> dev_err call to avoid redundant error message.

Please split this up into two separate patches! They are independent
changes and these two drivers are maintained by different people as well.

The patch itself looks OK, but it really has to be two separate patches.

Regards,

	Hans

> 
> Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
> ---
>  drivers/staging/axis-fifo/axis-fifo.c   | 1 -
>  drivers/staging/media/meson/vdec/vdec.c | 8 ++------
>  2 files changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
> index 2bb1c2e9cb57..ed9281089738 100644
> --- a/drivers/staging/axis-fifo/axis-fifo.c
> +++ b/drivers/staging/axis-fifo/axis-fifo.c
> @@ -853,7 +853,6 @@ static int axis_fifo_probe(struct platform_device *pdev)
>  	fifo->base_addr = devm_ioremap_resource(fifo->dt_device, r_mem);
>  	if (IS_ERR(fifo->base_addr)) {
>  		rc = PTR_ERR(fifo->base_addr);
> -		dev_err(fifo->dt_device, "can't remap IO resource (%d)\n", rc);
>  		goto err_initial;
>  	}
>  
> diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
> index 5d4db7a5b4b5..e51d69c4729d 100644
> --- a/drivers/staging/media/meson/vdec/vdec.c
> +++ b/drivers/staging/media/meson/vdec/vdec.c
> @@ -1008,17 +1008,13 @@ static int vdec_probe(struct platform_device *pdev)
>  
>  	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dos");
>  	core->dos_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(core->dos_base)) {
> -		dev_err(dev, "Couldn't remap DOS memory\n");
> +	if (IS_ERR(core->dos_base))
>  		return PTR_ERR(core->dos_base);
> -	}
>  
>  	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "esparser");
>  	core->esparser_base = devm_ioremap_resource(dev, r);
> -	if (IS_ERR(core->esparser_base)) {
> -		dev_err(dev, "Couldn't remap ESPARSER memory\n");
> +	if (IS_ERR(core->esparser_base))
>  		return PTR_ERR(core->esparser_base);
> -	}
>  
>  	core->regmap_ao =
>  		syscon_regmap_lookup_by_phandle(dev->of_node,
> 

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