* [PATCH] iommu/exynos: Use the devm_clk_get_optional() helper
@ 2023-03-26 12:37 ` Christophe JAILLET
0 siblings, 0 replies; 6+ messages in thread
From: Christophe JAILLET @ 2023-03-26 12:37 UTC (permalink / raw)
To: Marek Szyprowski, Joerg Roedel, Will Deacon, Robin Murphy,
Krzysztof Kozlowski, Alim Akhtar
Cc: linux-kernel, kernel-janitors, Christophe JAILLET, iommu,
linux-arm-kernel, linux-samsung-soc
Use devm_clk_get_optional() instead of hand writing it.
This saves some loC and improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/iommu/exynos-iommu.c | 24 ++++++++----------------
1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 483aaaeb6dae..867f409e0325 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -747,22 +747,16 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
return ret;
}
- data->clk = devm_clk_get(dev, "sysmmu");
- if (PTR_ERR(data->clk) == -ENOENT)
- data->clk = NULL;
- else if (IS_ERR(data->clk))
+ data->clk = devm_clk_get_optional(dev, "sysmmu");
+ if (IS_ERR(data->clk))
return PTR_ERR(data->clk);
- data->aclk = devm_clk_get(dev, "aclk");
- if (PTR_ERR(data->aclk) == -ENOENT)
- data->aclk = NULL;
- else if (IS_ERR(data->aclk))
+ data->aclk = devm_clk_get_optional(dev, "aclk");
+ if (IS_ERR(data->aclk))
return PTR_ERR(data->aclk);
- data->pclk = devm_clk_get(dev, "pclk");
- if (PTR_ERR(data->pclk) == -ENOENT)
- data->pclk = NULL;
- else if (IS_ERR(data->pclk))
+ data->pclk = devm_clk_get_optional(dev, "pclk");
+ if (IS_ERR(data->pclk))
return PTR_ERR(data->pclk);
if (!data->clk && (!data->aclk || !data->pclk)) {
@@ -770,10 +764,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
return -ENOSYS;
}
- data->clk_master = devm_clk_get(dev, "master");
- if (PTR_ERR(data->clk_master) == -ENOENT)
- data->clk_master = NULL;
- else if (IS_ERR(data->clk_master))
+ data->clk_master = devm_clk_get_optional(dev, "master");
+ if (IS_ERR(data->clk_master))
return PTR_ERR(data->clk_master);
data->sysmmu = dev;
--
2.34.1
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^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH] iommu/exynos: Use the devm_clk_get_optional() helper
2023-03-26 12:37 ` Christophe JAILLET
@ 2023-04-03 7:03 ` Marek Szyprowski
-1 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2023-04-03 7:03 UTC (permalink / raw)
To: Christophe JAILLET, Joerg Roedel, Will Deacon, Robin Murphy,
Krzysztof Kozlowski, Alim Akhtar
Cc: linux-kernel, kernel-janitors, iommu, linux-arm-kernel,
linux-samsung-soc
On 26.03.2023 14:37, Christophe JAILLET wrote:
> Use devm_clk_get_optional() instead of hand writing it.
> This saves some loC and improves the semantic.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/iommu/exynos-iommu.c | 24 ++++++++----------------
> 1 file changed, 8 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index 483aaaeb6dae..867f409e0325 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -747,22 +747,16 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
> return ret;
> }
>
> - data->clk = devm_clk_get(dev, "sysmmu");
> - if (PTR_ERR(data->clk) == -ENOENT)
> - data->clk = NULL;
> - else if (IS_ERR(data->clk))
> + data->clk = devm_clk_get_optional(dev, "sysmmu");
> + if (IS_ERR(data->clk))
> return PTR_ERR(data->clk);
>
> - data->aclk = devm_clk_get(dev, "aclk");
> - if (PTR_ERR(data->aclk) == -ENOENT)
> - data->aclk = NULL;
> - else if (IS_ERR(data->aclk))
> + data->aclk = devm_clk_get_optional(dev, "aclk");
> + if (IS_ERR(data->aclk))
> return PTR_ERR(data->aclk);
>
> - data->pclk = devm_clk_get(dev, "pclk");
> - if (PTR_ERR(data->pclk) == -ENOENT)
> - data->pclk = NULL;
> - else if (IS_ERR(data->pclk))
> + data->pclk = devm_clk_get_optional(dev, "pclk");
> + if (IS_ERR(data->pclk))
> return PTR_ERR(data->pclk);
>
> if (!data->clk && (!data->aclk || !data->pclk)) {
> @@ -770,10 +764,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
> return -ENOSYS;
> }
>
> - data->clk_master = devm_clk_get(dev, "master");
> - if (PTR_ERR(data->clk_master) == -ENOENT)
> - data->clk_master = NULL;
> - else if (IS_ERR(data->clk_master))
> + data->clk_master = devm_clk_get_optional(dev, "master");
> + if (IS_ERR(data->clk_master))
> return PTR_ERR(data->clk_master);
>
> data->sysmmu = dev;
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH] iommu/exynos: Use the devm_clk_get_optional() helper
@ 2023-04-03 7:03 ` Marek Szyprowski
0 siblings, 0 replies; 6+ messages in thread
From: Marek Szyprowski @ 2023-04-03 7:03 UTC (permalink / raw)
To: Christophe JAILLET, Joerg Roedel, Will Deacon, Robin Murphy,
Krzysztof Kozlowski, Alim Akhtar
Cc: linux-kernel, kernel-janitors, iommu, linux-arm-kernel,
linux-samsung-soc
On 26.03.2023 14:37, Christophe JAILLET wrote:
> Use devm_clk_get_optional() instead of hand writing it.
> This saves some loC and improves the semantic.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/iommu/exynos-iommu.c | 24 ++++++++----------------
> 1 file changed, 8 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index 483aaaeb6dae..867f409e0325 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -747,22 +747,16 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
> return ret;
> }
>
> - data->clk = devm_clk_get(dev, "sysmmu");
> - if (PTR_ERR(data->clk) == -ENOENT)
> - data->clk = NULL;
> - else if (IS_ERR(data->clk))
> + data->clk = devm_clk_get_optional(dev, "sysmmu");
> + if (IS_ERR(data->clk))
> return PTR_ERR(data->clk);
>
> - data->aclk = devm_clk_get(dev, "aclk");
> - if (PTR_ERR(data->aclk) == -ENOENT)
> - data->aclk = NULL;
> - else if (IS_ERR(data->aclk))
> + data->aclk = devm_clk_get_optional(dev, "aclk");
> + if (IS_ERR(data->aclk))
> return PTR_ERR(data->aclk);
>
> - data->pclk = devm_clk_get(dev, "pclk");
> - if (PTR_ERR(data->pclk) == -ENOENT)
> - data->pclk = NULL;
> - else if (IS_ERR(data->pclk))
> + data->pclk = devm_clk_get_optional(dev, "pclk");
> + if (IS_ERR(data->pclk))
> return PTR_ERR(data->pclk);
>
> if (!data->clk && (!data->aclk || !data->pclk)) {
> @@ -770,10 +764,8 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
> return -ENOSYS;
> }
>
> - data->clk_master = devm_clk_get(dev, "master");
> - if (PTR_ERR(data->clk_master) == -ENOENT)
> - data->clk_master = NULL;
> - else if (IS_ERR(data->clk_master))
> + data->clk_master = devm_clk_get_optional(dev, "master");
> + if (IS_ERR(data->clk_master))
> return PTR_ERR(data->clk_master);
>
> data->sysmmu = dev;
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] iommu/exynos: Use the devm_clk_get_optional() helper
2023-03-26 12:37 ` Christophe JAILLET
@ 2023-04-13 9:50 ` Joerg Roedel
-1 siblings, 0 replies; 6+ messages in thread
From: Joerg Roedel @ 2023-04-13 9:50 UTC (permalink / raw)
To: Christophe JAILLET
Cc: Marek Szyprowski, Will Deacon, Robin Murphy, Krzysztof Kozlowski,
Alim Akhtar, linux-kernel, kernel-janitors, iommu,
linux-arm-kernel, linux-samsung-soc
On Sun, Mar 26, 2023 at 02:37:50PM +0200, Christophe JAILLET wrote:
> Use devm_clk_get_optional() instead of hand writing it.
> This saves some loC and improves the semantic.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> drivers/iommu/exynos-iommu.c | 24 ++++++++----------------
> 1 file changed, 8 insertions(+), 16 deletions(-)
Applied, thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] iommu/exynos: Use the devm_clk_get_optional() helper
@ 2023-04-13 9:50 ` Joerg Roedel
0 siblings, 0 replies; 6+ messages in thread
From: Joerg Roedel @ 2023-04-13 9:50 UTC (permalink / raw)
To: Christophe JAILLET
Cc: Marek Szyprowski, Will Deacon, Robin Murphy, Krzysztof Kozlowski,
Alim Akhtar, linux-kernel, kernel-janitors, iommu,
linux-arm-kernel, linux-samsung-soc
On Sun, Mar 26, 2023 at 02:37:50PM +0200, Christophe JAILLET wrote:
> Use devm_clk_get_optional() instead of hand writing it.
> This saves some loC and improves the semantic.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> drivers/iommu/exynos-iommu.c | 24 ++++++++----------------
> 1 file changed, 8 insertions(+), 16 deletions(-)
Applied, thanks.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread