linux-kernel - Re: [PATCH] drm/v3d: Make use of the helper function devm_platform_ioremap_resource

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Date:   Wed, 22 Sep 2021 09:11:25 +0100
From:   Melissa Wen <melissa.srw@...il.com>
To:     Melissa Wen <mwen@...lia.com>
Cc:     Cai Huoqing <caihuoqing@...du.com>, Emma Anholt <emma@...olt.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/v3d: Make use of the helper function
 devm_platform_ioremap_resource_byname()

On 09/20, Melissa Wen wrote:
> On 09/01, Cai Huoqing wrote:
> > Use the devm_platform_ioremap_resource_byname() helper instead of
> > calling platform_get_resource_byname() and devm_ioremap_resource()
> > separately
> > 
> > Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> > ---
> >  drivers/gpu/drm/v3d/v3d_drv.c | 5 +----
> >  1 file changed, 1 insertion(+), 4 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
> > index 9403c3b36aca..c1deab2cf38d 100644
> > --- a/drivers/gpu/drm/v3d/v3d_drv.c
> > +++ b/drivers/gpu/drm/v3d/v3d_drv.c
> > @@ -206,10 +206,7 @@ MODULE_DEVICE_TABLE(of, v3d_of_match);
> >  static int
> >  map_regs(struct v3d_dev *v3d, void __iomem **regs, const char *name)
> >  {
> > -	struct resource *res =
> > -		platform_get_resource_byname(v3d_to_pdev(v3d), IORESOURCE_MEM, name);
> > -
> > -	*regs = devm_ioremap_resource(v3d->drm.dev, res);
> > +	*regs = devm_platform_ioremap_resource_byname(v3d_to_pdev(v3d), name);
> >  	return PTR_ERR_OR_ZERO(*regs);
> >  }
> lgtm.
> 
> Reviewed-by: Melissa Wen <mwen@...lia.com>

and applied to drm-misc-next.

Thanks,

Melissa
> >  
> > -- 
> > 2.25.1
> >