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Message-ID: <20190923113403.GA14837@bigcity.dyn.berto.se>
Date: Mon, 23 Sep 2019 13:34:03 +0200
From: Niklas Söderlund
<niklas.soderlund@...natech.se>
To: Markus Elfring <Markus.Elfring@....de>
Cc: linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Tiffany Lin <tiffany.lin@...iatek.com>,
LKML <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Himanshu Jha <himanshujha199640@...il.com>
Subject: Re: [PATCH] media: platform: Use devm_platform_ioremap_resource() in
two functions
Hi Markus,
Thanks for your patch.
On 2019-09-18 11:30:30 +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Wed, 18 Sep 2019 11:20:48 +0200
>
> Simplify these function implementations by using a known wrapper function.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
> drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 8 +-------
> drivers/media/platform/rcar-vin/rcar-core.c | 7 +------
For rcar-vin:
Tested-by: Niklas Söderlund <niklas.soderlund@...natech.se>
> 2 files changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> index 00d090df11bb..944771ee5f5c 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
> @@ -253,13 +253,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
> }
>
> for (i = 0; i < NUM_MAX_VDEC_REG_BASE; i++) {
> - res = platform_get_resource(pdev, IORESOURCE_MEM, i);
> - if (res == NULL) {
> - dev_err(&pdev->dev, "get memory resource failed.");
> - ret = -ENXIO;
> - goto err_res;
> - }
> - dev->reg_base[i] = devm_ioremap_resource(&pdev->dev, res);
> + dev->reg_base[i] = devm_platform_ioremap_resource(pdev, i);
> if (IS_ERR((__force void *)dev->reg_base[i])) {
> ret = PTR_ERR((__force void *)dev->reg_base[i]);
> goto err_res;
> diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
> index 6993484ff0f3..334c62805959 100644
> --- a/drivers/media/platform/rcar-vin/rcar-core.c
> +++ b/drivers/media/platform/rcar-vin/rcar-core.c
> @@ -1282,7 +1282,6 @@ static int rcar_vin_probe(struct platform_device *pdev)
> {
> const struct soc_device_attribute *attr;
> struct rvin_dev *vin;
> - struct resource *mem;
> int irq, ret;
>
> vin = devm_kzalloc(&pdev->dev, sizeof(*vin), GFP_KERNEL);
> @@ -1301,11 +1300,7 @@ static int rcar_vin_probe(struct platform_device *pdev)
> if (attr)
> vin->info = attr->data;
>
> - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (mem == NULL)
> - return -EINVAL;
> -
> - vin->base = devm_ioremap_resource(vin->dev, mem);
> + vin->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(vin->base))
> return PTR_ERR(vin->base);
>
> --
> 2.23.0
>
--
Regards,
Niklas Söderlund
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