diff mbox

[v4,2/3] PM / clock_ops: make __pm_clk_enable more generic

Message ID 1415281862-23764-3-git-send-email-grygorii.strashko@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Grygorii Strashko Nov. 6, 2014, 1:51 p.m. UTC
Now there are two places in code which do the same things,
so allow __pm_clk_enable() to accept pointer on pm_clock_entry
structure as second parameter instead of pointer on clock and
remove duplicated code.

Also, updated function intended to be used by following patch.

CC: Santosh Shilimkar <ssantosh@kernel.org>
CC: Kevin Hilman <khilman@linaro.org>
CC: Ulf Hansson <ulf.hansson@linaro.org>
CC: Geert Uytterhoeven <geert@linux-m68k.org>
CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 drivers/base/power/clock_ops.c | 38 ++++++++++++++++----------------------
 1 file changed, 16 insertions(+), 22 deletions(-)

Comments

Dmitry Torokhov Nov. 6, 2014, 5:31 p.m. UTC | #1
On Thu, Nov 06, 2014 at 03:51:01PM +0200, Grygorii Strashko wrote:
> Now there are two places in code which do the same things,
> so allow __pm_clk_enable() to accept pointer on pm_clock_entry
> structure as second parameter instead of pointer on clock and
> remove duplicated code.
> 
> Also, updated function intended to be used by following patch.
> 
> CC: Santosh Shilimkar <ssantosh@kernel.org>
> CC: Kevin Hilman <khilman@linaro.org>
> CC: Ulf Hansson <ulf.hansson@linaro.org>
> CC: Geert Uytterhoeven <geert@linux-m68k.org>
> CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> ---
>  drivers/base/power/clock_ops.c | 38 ++++++++++++++++----------------------
>  1 file changed, 16 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
> index f061eaa..b32b5d4 100644
> --- a/drivers/base/power/clock_ops.c
> +++ b/drivers/base/power/clock_ops.c
> @@ -35,14 +35,20 @@ struct pm_clock_entry {
>  /**
>   * pm_clk_enable - Enable a clock, reporting any errors
>   * @dev: The device for the given clock
> - * @clk: The clock being enabled.
> + * @ce: PM clock entry corresponding to the clock.
>   */
> -static inline int __pm_clk_enable(struct device *dev, struct clk *clk)
> +static inline int __pm_clk_enable(struct device *dev, struct pm_clock_entry *ce)
>  {
> -	int ret = clk_enable(clk);
> -	if (ret)
> -		dev_err(dev, "%s: failed to enable clk %p, error %d\n",
> -			__func__, clk, ret);
> +	int ret;
> +
> +	if (ce->status < PCE_STATUS_ERROR) {
> +		ret = clk_enable(ce->clk);
> +		if (!ret)
> +			ce->status = PCE_STATUS_ENABLED;
> +		else
> +			dev_err(dev, "%s: failed to enable clk %p, error %d\n",
> +				__func__, ce->clk, ret);
> +	}
>  
>  	return ret;
>  }
> @@ -293,7 +299,6 @@ int pm_clk_resume(struct device *dev)
>  	struct pm_subsys_data *psd = dev_to_psd(dev);
>  	struct pm_clock_entry *ce;
>  	unsigned long flags;
> -	int ret;
>  
>  	dev_dbg(dev, "%s()\n", __func__);
>  
> @@ -302,13 +307,8 @@ int pm_clk_resume(struct device *dev)
>  
>  	spin_lock_irqsave(&psd->lock, flags);
>  
> -	list_for_each_entry(ce, &psd->clock_list, node) {
> -		if (ce->status < PCE_STATUS_ERROR) {
> -			ret = __pm_clk_enable(dev, ce->clk);
> -			if (!ret)
> -				ce->status = PCE_STATUS_ENABLED;
> -		}
> -	}
> +	list_for_each_entry(ce, &psd->clock_list, node)
> +		__pm_clk_enable(dev, ce);
>  
>  	spin_unlock_irqrestore(&psd->lock, flags);
>  
> @@ -417,7 +417,6 @@ int pm_clk_resume(struct device *dev)
>  	struct pm_subsys_data *psd = dev_to_psd(dev);
>  	struct pm_clock_entry *ce;
>  	unsigned long flags;
> -	int ret;
>  
>  	dev_dbg(dev, "%s()\n", __func__);
>  
> @@ -427,13 +426,8 @@ int pm_clk_resume(struct device *dev)
>  
>  	spin_lock_irqsave(&psd->lock, flags);
>  
> -	list_for_each_entry(ce, &psd->clock_list, node) {
> -		if (ce->status < PCE_STATUS_ERROR) {
> -			ret = __pm_clk_enable(dev, ce->clk);
> -			if (!ret)
> -				ce->status = PCE_STATUS_ENABLED;
> -		}
> -	}
> +	list_for_each_entry(ce, &psd->clock_list, node)
> +		__pm_clk_enable(dev, ce);
>  
>  	spin_unlock_irqrestore(&psd->lock, flags);
>  
> -- 
> 1.9.1
>
Kevin Hilman Nov. 7, 2014, 7:25 p.m. UTC | #2
Grygorii Strashko <grygorii.strashko@ti.com> writes:

> Now there are two places in code which do the same things,
> so allow __pm_clk_enable() to accept pointer on pm_clock_entry
> structure as second parameter instead of pointer on clock and
> remove duplicated code.
>
> Also, updated function intended to be used by following patch.
>
> CC: Santosh Shilimkar <ssantosh@kernel.org>
> CC: Kevin Hilman <khilman@linaro.org>
> CC: Ulf Hansson <ulf.hansson@linaro.org>
> CC: Geert Uytterhoeven <geert@linux-m68k.org>
> CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

Reviewed-by: Kevin Hilman <khilman@linaro.org>
diff mbox

Patch

diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index f061eaa..b32b5d4 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -35,14 +35,20 @@  struct pm_clock_entry {
 /**
  * pm_clk_enable - Enable a clock, reporting any errors
  * @dev: The device for the given clock
- * @clk: The clock being enabled.
+ * @ce: PM clock entry corresponding to the clock.
  */
-static inline int __pm_clk_enable(struct device *dev, struct clk *clk)
+static inline int __pm_clk_enable(struct device *dev, struct pm_clock_entry *ce)
 {
-	int ret = clk_enable(clk);
-	if (ret)
-		dev_err(dev, "%s: failed to enable clk %p, error %d\n",
-			__func__, clk, ret);
+	int ret;
+
+	if (ce->status < PCE_STATUS_ERROR) {
+		ret = clk_enable(ce->clk);
+		if (!ret)
+			ce->status = PCE_STATUS_ENABLED;
+		else
+			dev_err(dev, "%s: failed to enable clk %p, error %d\n",
+				__func__, ce->clk, ret);
+	}
 
 	return ret;
 }
@@ -293,7 +299,6 @@  int pm_clk_resume(struct device *dev)
 	struct pm_subsys_data *psd = dev_to_psd(dev);
 	struct pm_clock_entry *ce;
 	unsigned long flags;
-	int ret;
 
 	dev_dbg(dev, "%s()\n", __func__);
 
@@ -302,13 +307,8 @@  int pm_clk_resume(struct device *dev)
 
 	spin_lock_irqsave(&psd->lock, flags);
 
-	list_for_each_entry(ce, &psd->clock_list, node) {
-		if (ce->status < PCE_STATUS_ERROR) {
-			ret = __pm_clk_enable(dev, ce->clk);
-			if (!ret)
-				ce->status = PCE_STATUS_ENABLED;
-		}
-	}
+	list_for_each_entry(ce, &psd->clock_list, node)
+		__pm_clk_enable(dev, ce);
 
 	spin_unlock_irqrestore(&psd->lock, flags);
 
@@ -417,7 +417,6 @@  int pm_clk_resume(struct device *dev)
 	struct pm_subsys_data *psd = dev_to_psd(dev);
 	struct pm_clock_entry *ce;
 	unsigned long flags;
-	int ret;
 
 	dev_dbg(dev, "%s()\n", __func__);
 
@@ -427,13 +426,8 @@  int pm_clk_resume(struct device *dev)
 
 	spin_lock_irqsave(&psd->lock, flags);
 
-	list_for_each_entry(ce, &psd->clock_list, node) {
-		if (ce->status < PCE_STATUS_ERROR) {
-			ret = __pm_clk_enable(dev, ce->clk);
-			if (!ret)
-				ce->status = PCE_STATUS_ENABLED;
-		}
-	}
+	list_for_each_entry(ce, &psd->clock_list, node)
+		__pm_clk_enable(dev, ce);
 
 	spin_unlock_irqrestore(&psd->lock, flags);