diff mbox series

mmc: host: omap-hsmmc: remove redundant null check

Message ID 20200903084825.85616-1-vulab@iscas.ac.cn (mailing list archive)
State New, archived
Headers show
Series mmc: host: omap-hsmmc: remove redundant null check | expand

Commit Message

Xu Wang Sept. 3, 2020, 8:48 a.m. UTC
Because clk_disable_unprepare already checked NULL clock
parameter, so the additional checks are unnecessary, just remove them.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
---
 drivers/mmc/host/omap_hsmmc.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

Comments

Ulf Hansson Sept. 7, 2020, 10:07 a.m. UTC | #1
On Thu, 3 Sep 2020 at 10:48, Xu Wang <vulab@iscas.ac.cn> wrote:
>
> Because clk_disable_unprepare already checked NULL clock
> parameter, so the additional checks are unnecessary, just remove them.
>
> Signed-off-by: Xu Wang <vulab@iscas.ac.cn>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/omap_hsmmc.c | 18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index 37b8740513f5..d02983e23ed1 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -1114,8 +1114,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
>         int ret;
>
>         /* Disable the clocks */
> -       if (host->dbclk)
> -               clk_disable_unprepare(host->dbclk);
> +       clk_disable_unprepare(host->dbclk);
>
>         /* Turn the power off */
>         ret = omap_hsmmc_set_power(host, 0);
> @@ -1123,8 +1122,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
>         /* Turn the power ON with given VDD 1.8 or 3.0v */
>         if (!ret)
>                 ret = omap_hsmmc_set_power(host, 1);
> -       if (host->dbclk)
> -               clk_prepare_enable(host->dbclk);
> +       clk_prepare_enable(host->dbclk);
>
>         if (ret != 0)
>                 goto err;
> @@ -2014,8 +2012,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
>         pm_runtime_dont_use_autosuspend(host->dev);
>         pm_runtime_put_sync(host->dev);
>         pm_runtime_disable(host->dev);
> -       if (host->dbclk)
> -               clk_disable_unprepare(host->dbclk);
> +       clk_disable_unprepare(host->dbclk);
>  err1:
>         mmc_free_host(mmc);
>  err:
> @@ -2037,8 +2034,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
>         pm_runtime_put_sync(host->dev);
>         pm_runtime_disable(host->dev);
>         device_init_wakeup(&pdev->dev, false);
> -       if (host->dbclk)
> -               clk_disable_unprepare(host->dbclk);
> +       clk_disable_unprepare(host->dbclk);
>
>         mmc_free_host(host->mmc);
>
> @@ -2063,8 +2059,7 @@ static int omap_hsmmc_suspend(struct device *dev)
>                                 OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
>         }
>
> -       if (host->dbclk)
> -               clk_disable_unprepare(host->dbclk);
> +       clk_disable_unprepare(host->dbclk);
>
>         pm_runtime_put_sync(host->dev);
>         return 0;
> @@ -2080,8 +2075,7 @@ static int omap_hsmmc_resume(struct device *dev)
>
>         pm_runtime_get_sync(host->dev);
>
> -       if (host->dbclk)
> -               clk_prepare_enable(host->dbclk);
> +       clk_prepare_enable(host->dbclk);
>
>         if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
>                 omap_hsmmc_conf_bus_power(host);
> --
> 2.17.1
>
diff mbox series

Patch

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 37b8740513f5..d02983e23ed1 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1114,8 +1114,7 @@  static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
 	int ret;
 
 	/* Disable the clocks */
-	if (host->dbclk)
-		clk_disable_unprepare(host->dbclk);
+	clk_disable_unprepare(host->dbclk);
 
 	/* Turn the power off */
 	ret = omap_hsmmc_set_power(host, 0);
@@ -1123,8 +1122,7 @@  static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
 	/* Turn the power ON with given VDD 1.8 or 3.0v */
 	if (!ret)
 		ret = omap_hsmmc_set_power(host, 1);
-	if (host->dbclk)
-		clk_prepare_enable(host->dbclk);
+	clk_prepare_enable(host->dbclk);
 
 	if (ret != 0)
 		goto err;
@@ -2014,8 +2012,7 @@  static int omap_hsmmc_probe(struct platform_device *pdev)
 	pm_runtime_dont_use_autosuspend(host->dev);
 	pm_runtime_put_sync(host->dev);
 	pm_runtime_disable(host->dev);
-	if (host->dbclk)
-		clk_disable_unprepare(host->dbclk);
+	clk_disable_unprepare(host->dbclk);
 err1:
 	mmc_free_host(mmc);
 err:
@@ -2037,8 +2034,7 @@  static int omap_hsmmc_remove(struct platform_device *pdev)
 	pm_runtime_put_sync(host->dev);
 	pm_runtime_disable(host->dev);
 	device_init_wakeup(&pdev->dev, false);
-	if (host->dbclk)
-		clk_disable_unprepare(host->dbclk);
+	clk_disable_unprepare(host->dbclk);
 
 	mmc_free_host(host->mmc);
 
@@ -2063,8 +2059,7 @@  static int omap_hsmmc_suspend(struct device *dev)
 				OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
 	}
 
-	if (host->dbclk)
-		clk_disable_unprepare(host->dbclk);
+	clk_disable_unprepare(host->dbclk);
 
 	pm_runtime_put_sync(host->dev);
 	return 0;
@@ -2080,8 +2075,7 @@  static int omap_hsmmc_resume(struct device *dev)
 
 	pm_runtime_get_sync(host->dev);
 
-	if (host->dbclk)
-		clk_prepare_enable(host->dbclk);
+	clk_prepare_enable(host->dbclk);
 
 	if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
 		omap_hsmmc_conf_bus_power(host);