* [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions
@ 2019-09-18 9:30 Markus Elfring
2019-09-20 13:38 ` Geert Uytterhoeven
2019-09-23 11:34 ` Niklas Söderlund
0 siblings, 2 replies; 3+ messages in thread
From: Markus Elfring @ 2019-09-18 9:30 UTC (permalink / raw)
To: linux-media, linux-arm-kernel, linux-mediatek, linux-renesas-soc,
Andrew-CT Chen, Matthias Brugger, Mauro Carvalho Chehab,
Niklas Söderlund, Tiffany Lin
Cc: LKML, kernel-janitors, Bartosz Golaszewski, Himanshu Jha
From: Markus Elfring <elfring@users.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@users.sourceforge.net>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 8 +-------
drivers/media/platform/rcar-vin/rcar-core.c | 7 +------
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
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions
2019-09-18 9:30 [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions Markus Elfring
@ 2019-09-20 13:38 ` Geert Uytterhoeven
2019-09-23 11:34 ` Niklas Söderlund
1 sibling, 0 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2019-09-20 13:38 UTC (permalink / raw)
To: Markus Elfring
Cc: Linux Media Mailing List, Linux ARM, linux-mediatek,
Linux-Renesas, Andrew-CT Chen, Matthias Brugger,
Mauro Carvalho Chehab, Niklas Söderlund, Tiffany Lin,
Bartosz Golaszewski, kernel-janitors, LKML, Himanshu Jha
On Wed, Sep 18, 2019 at 11:30 AM Markus Elfring <Markus.Elfring@web.de> wrote:
> From: Markus Elfring <elfring@users.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@users.sourceforge.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions
2019-09-18 9:30 [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions Markus Elfring
2019-09-20 13:38 ` Geert Uytterhoeven
@ 2019-09-23 11:34 ` Niklas Söderlund
1 sibling, 0 replies; 3+ messages in thread
From: Niklas Söderlund @ 2019-09-23 11:34 UTC (permalink / raw)
To: Markus Elfring
Cc: linux-media, linux-arm-kernel, linux-mediatek, linux-renesas-soc,
Andrew-CT Chen, Matthias Brugger, Mauro Carvalho Chehab,
Tiffany Lin, LKML, kernel-janitors, Bartosz Golaszewski,
Himanshu Jha
Hi Markus,
Thanks for your patch.
On 2019-09-18 11:30:30 +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.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@users.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@ragnatech.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
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-09-18 9:30 [PATCH] media: platform: Use devm_platform_ioremap_resource() in two functions Markus Elfring
2019-09-20 13:38 ` Geert Uytterhoeven
2019-09-23 11:34 ` Niklas Söderlund
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