[PATCH 1/7] drm/bridge/synopsys: dsi: Remove unnecessary platform_get_resource() error check

[PATCH 1/7] drm/bridge/synopsys: dsi: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index d9cca4f..5db4cbb 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -860,9 +860,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
 
 	if (!plat_data->base) {
 		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		if (!res)
-			return ERR_PTR(-ENODEV);
-
 		dsi->base = devm_ioremap_resource(dev, res);
 		if (IS_ERR(dsi->base))
 			return ERR_PTR(-ENODEV);
-- 
2.7.4

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[PATCH 2/7] drm/exynos: decon5433: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 6be5b53..1d509a8 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -744,11 +744,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "cannot find IO resource\n");
-		return -ENXIO;
-	}
-
 	ctx->addr = devm_ioremap_resource(dev, res);
 	if (IS_ERR(ctx->addr)) {
 		dev_err(dev, "ioremap failed\n");
-- 
2.7.4

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[PATCH 3/7] drm/rockchip: dsi: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index b1fe063..591953c 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -1202,9 +1202,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 		return ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	dsi->base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(dsi->base))
 		return PTR_ERR(dsi->base);
-- 
2.7.4

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[PATCH 4/7] drm/rockchip: inno_hdmi: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/rockchip/inno_hdmi.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index fab30927..f6ad487 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -831,9 +831,6 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 	hdmi->drm_dev = drm;
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!iores)
-		return -ENXIO;
-
 	hdmi->regs = devm_ioremap_resource(dev, iores);
 	if (IS_ERR(hdmi->regs))
 		return PTR_ERR(hdmi->regs);
-- 
2.7.4

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[PATCH 5/7] drm/stm: dsi: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
index 82dcb20..fd02506 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -290,11 +290,6 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DRM_ERROR("Unable to get resource\n");
-		return -ENODEV;
-	}
-
 	dsi->base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(dsi->base)) {
 		DRM_ERROR("Unable to get dsi registers\n");
-- 
2.7.4

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[PATCH 6/7] drm/stm: ltdc: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/stm/ltdc.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 394613b..6dc5d4e 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -901,12 +901,6 @@ int ltdc_load(struct drm_device *ddev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DRM_ERROR("Unable to get resource\n");
-		ret = -ENODEV;
-		goto err;
-	}
-
 	ldev->regs = devm_ioremap_resource(dev, res);
 	if (IS_ERR(ldev->regs)) {
 		DRM_ERROR("Unable to get ltdc registers\n");
-- 
2.7.4

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[PATCH 7/7] drm/tegra: vic: Remove unnecessary platform_get_resource() error check

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam@nxp.com>

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/gpu/drm/tegra/vic.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index f5794dd..088a795 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -304,11 +304,6 @@ static int vic_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!regs) {
-		dev_err(&pdev->dev, "failed to get registers\n");
-		return -ENXIO;
-	}
-
 	vic->regs = devm_ioremap_resource(dev, regs);
 	if (IS_ERR(vic->regs))
 		return PTR_ERR(vic->regs);
-- 
2.7.4

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Re: [PATCH 2/7] drm/exynos: decon5433: Remove unnecessary platform_get_resource() error check

[Andrzej Hajda]

On 18.12.2017 14:02, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
>
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
>
> Cc: Inki Dae <inki.dae@samsung.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>

 --
Regards
Andrzej
> ---
>  drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 5 -----
>  1 file changed, 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> index 6be5b53..1d509a8 100644
> --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> @@ -744,11 +744,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
>  	}
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(dev, "cannot find IO resource\n");
> -		return -ENXIO;
> -	}
> -
>  	ctx->addr = devm_ioremap_resource(dev, res);
>  	if (IS_ERR(ctx->addr)) {
>  		dev_err(dev, "ioremap failed\n");


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Re: [PATCH 2/7] drm/exynos: decon5433: Remove unnecessary platform_get_resource() error check

[Inki Dae]

2017년 12월 18일 22:02에 Fabio Estevam 이(가) 쓴 글:
> From: Fabio Estevam <fabio.estevam@nxp.com>
> 
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
> 
> Cc: Inki Dae <inki.dae@samsung.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
>  drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> index 6be5b53..1d509a8 100644
> --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
> @@ -744,11 +744,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
>  	}
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(dev, "cannot find IO resource\n");
> -		return -ENXIO;
> -	}
> -

Picked it up.

Thanks,
Inki Dae

>  	ctx->addr = devm_ioremap_resource(dev, res);
>  	if (IS_ERR(ctx->addr)) {
>  		dev_err(dev, "ioremap failed\n");
> 
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Re: [PATCH 5/7] drm/stm: dsi: Remove unnecessary platform_get_resource() error check

[Philippe CORNU]

Dear Fabio,

On 12/18/2017 02:02 PM, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
> 
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
> 
> Cc: Philippe Cornu <philippe.cornu@st.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
>   drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 5 -----
>   1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> index 82dcb20..fd02506 100644
> --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> @@ -290,11 +290,6 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
>   		return -ENOMEM;
>   
>   	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		DRM_ERROR("Unable to get resource\n");
> -		return -ENODEV;
> -	}
> -

Many thanks for this cleanup.

Acked-by: Philippe Cornu <philippe.cornu@st.com>

Philippe :-)

>   	dsi->base = devm_ioremap_resource(dev, res);
>   	if (IS_ERR(dsi->base)) {
>   		DRM_ERROR("Unable to get dsi registers\n");
> 
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Re: [PATCH 6/7] drm/stm: ltdc: Remove unnecessary platform_get_resource() error check

[Philippe CORNU]

Hi Fabio,


On 12/18/2017 02:02 PM, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
> 
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
> 
> Cc: Philippe Cornu <philippe.cornu@st.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
>   drivers/gpu/drm/stm/ltdc.c | 6 ------
>   1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index 394613b..6dc5d4e 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -901,12 +901,6 @@ int ltdc_load(struct drm_device *ddev)
>   	}
>   
>   	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		DRM_ERROR("Unable to get resource\n");
> -		ret = -ENODEV;
> -		goto err;
> -	}
> -

Many thanks for this cleanup.

Acked-by: Philippe Cornu <philippe.cornu@st.com>

Philippe :-)

>   	ldev->regs = devm_ioremap_resource(dev, res);
>   	if (IS_ERR(ldev->regs)) {
>   		DRM_ERROR("Unable to get ltdc registers\n");
> 
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Re: [PATCH 5/7] drm/stm: dsi: Remove unnecessary platform_get_resource() error check

[Benjamin Gaignard]

2017-12-19 15:14 GMT+01:00 Philippe CORNU <philippe.cornu@st.com>:
> Dear Fabio,
>
> On 12/18/2017 02:02 PM, Fabio Estevam wrote:
>> From: Fabio Estevam <fabio.estevam@nxp.com>
>>
>> devm_ioremap_resource() already checks if the resource is NULL, so
>> remove the unnecessary platform_get_resource() error check.
>>
>> Cc: Philippe Cornu <philippe.cornu@st.com>
>> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
>> ---
>>   drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 5 -----
>>   1 file changed, 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
>> index 82dcb20..fd02506 100644
>> --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
>> +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
>> @@ -290,11 +290,6 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
>>               return -ENOMEM;
>>
>>       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -     if (!res) {
>> -             DRM_ERROR("Unable to get resource\n");
>> -             return -ENODEV;
>> -     }
>> -
>
> Many thanks for this cleanup.
>
> Acked-by: Philippe Cornu <philippe.cornu@st.com>

Applied on drm-misc-next,

Thanks,
Benjamin

>
> Philippe :-)
>
>>       dsi->base = devm_ioremap_resource(dev, res);
>>       if (IS_ERR(dsi->base)) {
>>               DRM_ERROR("Unable to get dsi registers\n");
>>
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Re: [PATCH 6/7] drm/stm: ltdc: Remove unnecessary platform_get_resource() error check

[Benjamin Gaignard]

2017-12-19 15:15 GMT+01:00 Philippe CORNU <philippe.cornu@st.com>:
> Hi Fabio,
>
>
> On 12/18/2017 02:02 PM, Fabio Estevam wrote:
>> From: Fabio Estevam <fabio.estevam@nxp.com>
>>
>> devm_ioremap_resource() already checks if the resource is NULL, so
>> remove the unnecessary platform_get_resource() error check.
>>
>> Cc: Philippe Cornu <philippe.cornu@st.com>
>> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
>> ---
>>   drivers/gpu/drm/stm/ltdc.c | 6 ------
>>   1 file changed, 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
>> index 394613b..6dc5d4e 100644
>> --- a/drivers/gpu/drm/stm/ltdc.c
>> +++ b/drivers/gpu/drm/stm/ltdc.c
>> @@ -901,12 +901,6 @@ int ltdc_load(struct drm_device *ddev)
>>       }
>>
>>       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> -     if (!res) {
>> -             DRM_ERROR("Unable to get resource\n");
>> -             ret = -ENODEV;
>> -             goto err;
>> -     }
>> -
>
> Many thanks for this cleanup.
>
> Acked-by: Philippe Cornu <philippe.cornu@st.com>

Applied on drm-misc-next,

Thanks,
Benjamin

> Philippe :-)
>
>>       ldev->regs = devm_ioremap_resource(dev, res);
>>       if (IS_ERR(ldev->regs)) {
>>               DRM_ERROR("Unable to get ltdc registers\n");
>>
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Re: [PATCH 1/7] drm/bridge/synopsys: dsi: Remove unnecessary platform_get_resource() error check

[Philippe CORNU]

Dear Fabio,


On 12/18/2017 02:02 PM, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
> 
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
> 
> Cc: Archit Taneja <architt@codeaurora.org>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
>   drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 3 ---
>   1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> index d9cca4f..5db4cbb 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> @@ -860,9 +860,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
>   
>   	if (!plat_data->base) {
>   		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -		if (!res)
> -			return ERR_PTR(-ENODEV);
> -

Many thanks for this cleanup.

Reviewed-by: Philippe Cornu <philippe.cornu@st.com>

Philippe :-)

>   		dsi->base = devm_ioremap_resource(dev, res);
>   		if (IS_ERR(dsi->base))
>   			return ERR_PTR(-ENODEV);
> 
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