linux-kernel - Re: [PATCH] staging: axis-fifo: media/meson: remove redundant dev

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Date:   Wed, 07 Apr 2021 20:48:21 +0500
From:   Muhammad Usama Anjum <musamaanjum@...il.com>
To:     Hans Verkuil <hverkuil@...all.nl>
Cc:     musamaanjum@...il.com, linqiheng@...wei.com,
        kernel-janitors@...r.kernel.org, dan.carpenter@...cle.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        "open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:MESON VIDEO DECODER DRIVER FOR AMLOGIC SOCS" 
        <linux-media@...r.kernel.org>,
        "open list:MESON VIDEO DECODER DRIVER FOR AMLOGIC SOCS" 
        <linux-amlogic@...ts.infradead.org>,
        "moderated list:ARM/Amlogic Meson SoC support" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] staging: axis-fifo: media/meson: remove redundant
 dev_err call

On Wed, 2021-04-07 at 16:05 +0200, Hans Verkuil wrote:
> 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.
> 
Okay. I'll send two separate patches. Thank you.

Regards,
Usama
> Regards,
> 
> 	Hans
> 
> > Signed-off-by: Muhammad Usama Anjum <musamaanjum@...il.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,
> >