diff mbox series

nvmem: sc27xx: Change to use devm_hwspin_lock_request_specific() to request one hwlock

Message ID b2ad55edbb1185c52dc73622ddccbdb7c1b52efd.1569552692.git.baolin.wang@linaro.org
State Accepted
Commit 1e6d8e5f44414de1bb6d11b7ff69e8385b5007d0
Headers show
Series nvmem: sc27xx: Change to use devm_hwspin_lock_request_specific() to request one hwlock | expand

Commit Message

(Exiting) Baolin Wang Sept. 27, 2019, 3:12 a.m. UTC
Change to use devm_hwspin_lock_request_specific() to help to simplify the
cleanup code for drivers requesting one hwlock. Thus we can remove the
redundant sc27xx_efuse_remove() and platform_set_drvdata().

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>

---
 drivers/nvmem/sc27xx-efuse.c |   13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

-- 
1.7.9.5

Comments

Srinivas Kandagatla Oct. 1, 2019, 9:59 a.m. UTC | #1
On 27/09/2019 04:12, Baolin Wang wrote:
> Change to use devm_hwspin_lock_request_specific() to help to simplify the

> cleanup code for drivers requesting one hwlock. Thus we can remove the

> redundant sc27xx_efuse_remove() and platform_set_drvdata().

> 

> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>

> ---

>   drivers/nvmem/sc27xx-efuse.c |   13 +------------

>   1 file changed, 1 insertion(+), 12 deletions(-)



Applied thanks,

srini

> 

> diff --git a/drivers/nvmem/sc27xx-efuse.c b/drivers/nvmem/sc27xx-efuse.c

> index c6ee210..ab5e7e0 100644

> --- a/drivers/nvmem/sc27xx-efuse.c

> +++ b/drivers/nvmem/sc27xx-efuse.c

> @@ -211,7 +211,7 @@ static int sc27xx_efuse_probe(struct platform_device *pdev)

>   		return ret;

>   	}

>   

> -	efuse->hwlock = hwspin_lock_request_specific(ret);

> +	efuse->hwlock = devm_hwspin_lock_request_specific(&pdev->dev, ret);

>   	if (!efuse->hwlock) {

>   		dev_err(&pdev->dev, "failed to request hwspinlock\n");

>   		return -ENXIO;

> @@ -219,7 +219,6 @@ static int sc27xx_efuse_probe(struct platform_device *pdev)

>   

>   	mutex_init(&efuse->mutex);

>   	efuse->dev = &pdev->dev;

> -	platform_set_drvdata(pdev, efuse);

>   

>   	econfig.stride = 1;

>   	econfig.word_size = 1;

> @@ -232,21 +231,12 @@ static int sc27xx_efuse_probe(struct platform_device *pdev)

>   	nvmem = devm_nvmem_register(&pdev->dev, &econfig);

>   	if (IS_ERR(nvmem)) {

>   		dev_err(&pdev->dev, "failed to register nvmem config\n");

> -		hwspin_lock_free(efuse->hwlock);

>   		return PTR_ERR(nvmem);

>   	}

>   

>   	return 0;

>   }

>   

> -static int sc27xx_efuse_remove(struct platform_device *pdev)

> -{

> -	struct sc27xx_efuse *efuse = platform_get_drvdata(pdev);

> -

> -	hwspin_lock_free(efuse->hwlock);

> -	return 0;

> -}

> -

>   static const struct of_device_id sc27xx_efuse_of_match[] = {

>   	{ .compatible = "sprd,sc2731-efuse" },

>   	{ }

> @@ -254,7 +244,6 @@ static int sc27xx_efuse_remove(struct platform_device *pdev)

>   

>   static struct platform_driver sc27xx_efuse_driver = {

>   	.probe = sc27xx_efuse_probe,

> -	.remove = sc27xx_efuse_remove,

>   	.driver = {

>   		.name = "sc27xx-efuse",

>   		.of_match_table = sc27xx_efuse_of_match,

>
diff mbox series

Patch

diff --git a/drivers/nvmem/sc27xx-efuse.c b/drivers/nvmem/sc27xx-efuse.c
index c6ee210..ab5e7e0 100644
--- a/drivers/nvmem/sc27xx-efuse.c
+++ b/drivers/nvmem/sc27xx-efuse.c
@@ -211,7 +211,7 @@  static int sc27xx_efuse_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	efuse->hwlock = hwspin_lock_request_specific(ret);
+	efuse->hwlock = devm_hwspin_lock_request_specific(&pdev->dev, ret);
 	if (!efuse->hwlock) {
 		dev_err(&pdev->dev, "failed to request hwspinlock\n");
 		return -ENXIO;
@@ -219,7 +219,6 @@  static int sc27xx_efuse_probe(struct platform_device *pdev)
 
 	mutex_init(&efuse->mutex);
 	efuse->dev = &pdev->dev;
-	platform_set_drvdata(pdev, efuse);
 
 	econfig.stride = 1;
 	econfig.word_size = 1;
@@ -232,21 +231,12 @@  static int sc27xx_efuse_probe(struct platform_device *pdev)
 	nvmem = devm_nvmem_register(&pdev->dev, &econfig);
 	if (IS_ERR(nvmem)) {
 		dev_err(&pdev->dev, "failed to register nvmem config\n");
-		hwspin_lock_free(efuse->hwlock);
 		return PTR_ERR(nvmem);
 	}
 
 	return 0;
 }
 
-static int sc27xx_efuse_remove(struct platform_device *pdev)
-{
-	struct sc27xx_efuse *efuse = platform_get_drvdata(pdev);
-
-	hwspin_lock_free(efuse->hwlock);
-	return 0;
-}
-
 static const struct of_device_id sc27xx_efuse_of_match[] = {
 	{ .compatible = "sprd,sc2731-efuse" },
 	{ }
@@ -254,7 +244,6 @@  static int sc27xx_efuse_remove(struct platform_device *pdev)
 
 static struct platform_driver sc27xx_efuse_driver = {
 	.probe = sc27xx_efuse_probe,
-	.remove = sc27xx_efuse_remove,
 	.driver = {
 		.name = "sc27xx-efuse",
 		.of_match_table = sc27xx_efuse_of_match,