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SubjectRe: [PATCH] nvmem: sc27xx: Change to use devm_hwspin_lock_request_specific() to request one hwlock
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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,
>

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