mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH 1/4] regulator: wm831x-dcdc: Convert to devm_gpio_request_one()
@ 2013-08-31 11:03 Mark Brown
  2013-08-31 11:03 ` [PATCH 2/4] regulator: wm831x-dcdc: Convert to devm_request_threaded_irq() Mark Brown
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Mark Brown @ 2013-08-31 11:03 UTC (permalink / raw)
  To: Liam Girdwood; +Cc: patches, linux-kernel, linaro-kernel, Mark Brown

From: Mark Brown <broonie@linaro.org>

Saves code in the unwind path.

Signed-off-by: Mark Brown <broonie@linaro.org>
---
 drivers/regulator/wm831x-dcdc.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 11861cb..8f62750 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -387,8 +387,9 @@ static struct regulator_ops wm831x_buckv_ops = {
  * Set up DVS control.  We just log errors since we can still run
  * (with reduced performance) if we fail.
  */
-static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
-					    struct wm831x_buckv_pdata *pdata)
+static void wm831x_buckv_dvs_init(struct platform_device *pdev,
+				  struct wm831x_dcdc *dcdc,
+				  struct wm831x_buckv_pdata *pdata)
 {
 	struct wm831x *wm831x = dcdc->wm831x;
 	int ret;
@@ -402,9 +403,9 @@ static void wm831x_buckv_dvs_init(struct wm831x_dcdc *dcdc,
 	 */
 	dcdc->dvs_gpio_state = pdata->dvs_init_state;
 
-	ret = gpio_request_one(pdata->dvs_gpio,
-			       dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0,
-			       "DCDC DVS");
+	ret = devm_gpio_request_one(&pdev->dev, pdata->dvs_gpio,
+				    dcdc->dvs_gpio_state ? GPIOF_INIT_HIGH : 0,
+				    "DCDC DVS");
 	if (ret < 0) {
 		dev_err(wm831x->dev, "Failed to get %s DVS GPIO: %d\n",
 			dcdc->name, ret);
@@ -513,7 +514,8 @@ static int wm831x_buckv_probe(struct platform_device *pdev)
 	dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK;
 
 	if (pdata && pdata->dcdc[id])
-		wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data);
+		wm831x_buckv_dvs_init(pdev, dcdc,
+				      pdata->dcdc[id]->driver_data);
 
 	config.dev = pdev->dev.parent;
 	if (pdata)
@@ -557,8 +559,6 @@ err_uv:
 err_regulator:
 	regulator_unregister(dcdc->regulator);
 err:
-	if (dcdc->dvs_gpio)
-		gpio_free(dcdc->dvs_gpio);
 	return ret;
 }
 
@@ -572,8 +572,6 @@ static int wm831x_buckv_remove(struct platform_device *pdev)
 	free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")),
 			    dcdc);
 	regulator_unregister(dcdc->regulator);
-	if (dcdc->dvs_gpio)
-		gpio_free(dcdc->dvs_gpio);
 
 	return 0;
 }
-- 
1.8.4.rc3


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 2/4] regulator: wm831x-dcdc: Convert to devm_request_threaded_irq()
  2013-08-31 11:03 [PATCH 1/4] regulator: wm831x-dcdc: Convert to devm_gpio_request_one() Mark Brown
@ 2013-08-31 11:03 ` Mark Brown
  2013-08-31 11:03 ` [PATCH 3/4] regulator: wm831x-isink: Use devm_request_threaded_irq() Mark Brown
  2013-08-31 11:03 ` [PATCH 4/4] regulator: wm831x-ldo: " Mark Brown
  2 siblings, 0 replies; 4+ messages in thread
From: Mark Brown @ 2013-08-31 11:03 UTC (permalink / raw)
  To: Liam Girdwood; +Cc: patches, linux-kernel, linaro-kernel, Mark Brown

From: Mark Brown <broonie@linaro.org>

devm guarantees that resources are freed in the opposite order to that
in which they are registered.

Signed-off-by: Mark Brown <broonie@linaro.org>
---
 drivers/regulator/wm831x-dcdc.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 8f62750..aca2fcb 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -532,8 +532,9 @@ static int wm831x_buckv_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
-	ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
-				   IRQF_TRIGGER_RISING, dcdc->name, dcdc);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_dcdc_uv_irq,
+					IRQF_TRIGGER_RISING, dcdc->name, dcdc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
 			irq, ret);
@@ -541,21 +542,19 @@ static int wm831x_buckv_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC"));
-	ret = request_threaded_irq(irq, NULL, wm831x_dcdc_oc_irq,
-				   IRQF_TRIGGER_RISING, dcdc->name, dcdc);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_dcdc_oc_irq,
+					IRQF_TRIGGER_RISING, dcdc->name, dcdc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n",
 			irq, ret);
-		goto err_uv;
+		goto err_regulator;
 	}
 
 	platform_set_drvdata(pdev, dcdc);
 
 	return 0;
 
-err_uv:
-	free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")),
-		 dcdc);
 err_regulator:
 	regulator_unregister(dcdc->regulator);
 err:
@@ -565,12 +564,7 @@ err:
 static int wm831x_buckv_remove(struct platform_device *pdev)
 {
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
-	struct wm831x *wm831x = dcdc->wm831x;
 
-	free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "HC")),
-			    dcdc);
-	free_irq(wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV")),
-			    dcdc);
 	regulator_unregister(dcdc->regulator);
 
 	return 0;
@@ -688,8 +682,9 @@ static int wm831x_buckp_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
-	ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
-				   IRQF_TRIGGER_RISING,	dcdc->name, dcdc);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_dcdc_uv_irq,
+					IRQF_TRIGGER_RISING, dcdc->name, dcdc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
 			irq, ret);
@@ -710,8 +705,6 @@ static int wm831x_buckp_remove(struct platform_device *pdev)
 {
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 
-	free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")),
-			    dcdc);
 	regulator_unregister(dcdc->regulator);
 
 	return 0;
@@ -820,9 +813,10 @@ static int wm831x_boostp_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
-	ret = request_threaded_irq(irq, NULL, wm831x_dcdc_uv_irq,
-				   IRQF_TRIGGER_RISING, dcdc->name,
-				   dcdc);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_dcdc_uv_irq,
+					IRQF_TRIGGER_RISING, dcdc->name,
+					dcdc);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
 			irq, ret);
@@ -843,8 +837,6 @@ static int wm831x_boostp_remove(struct platform_device *pdev)
 {
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 
-	free_irq(wm831x_irq(dcdc->wm831x, platform_get_irq_byname(pdev, "UV")),
-		 dcdc);
 	regulator_unregister(dcdc->regulator);
 
 	return 0;
-- 
1.8.4.rc3


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 3/4] regulator: wm831x-isink: Use devm_request_threaded_irq()
  2013-08-31 11:03 [PATCH 1/4] regulator: wm831x-dcdc: Convert to devm_gpio_request_one() Mark Brown
  2013-08-31 11:03 ` [PATCH 2/4] regulator: wm831x-dcdc: Convert to devm_request_threaded_irq() Mark Brown
@ 2013-08-31 11:03 ` Mark Brown
  2013-08-31 11:03 ` [PATCH 4/4] regulator: wm831x-ldo: " Mark Brown
  2 siblings, 0 replies; 4+ messages in thread
From: Mark Brown @ 2013-08-31 11:03 UTC (permalink / raw)
  To: Liam Girdwood; +Cc: patches, linux-kernel, linaro-kernel, Mark Brown

From: Mark Brown <broonie@linaro.org>

devm guarantees that resources are freed in the opposite order to that in
which they are allocated.

Signed-off-by: Mark Brown <broonie@linaro.org>
---
 drivers/regulator/wm831x-isink.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 4eb373d..841cb52 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -203,8 +203,10 @@ static int wm831x_isink_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0));
-	ret = request_threaded_irq(irq, NULL, wm831x_isink_irq,
-				   IRQF_TRIGGER_RISING, isink->name, isink);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_isink_irq,
+					IRQF_TRIGGER_RISING, isink->name,
+					isink);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n",
 			irq, ret);
@@ -225,8 +227,6 @@ static int wm831x_isink_remove(struct platform_device *pdev)
 {
 	struct wm831x_isink *isink = platform_get_drvdata(pdev);
 
-	free_irq(wm831x_irq(isink->wm831x, platform_get_irq(pdev, 0)), isink);
-
 	regulator_unregister(isink->regulator);
 
 	return 0;
-- 
1.8.4.rc3


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 4/4] regulator: wm831x-ldo: Use devm_request_threaded_irq()
  2013-08-31 11:03 [PATCH 1/4] regulator: wm831x-dcdc: Convert to devm_gpio_request_one() Mark Brown
  2013-08-31 11:03 ` [PATCH 2/4] regulator: wm831x-dcdc: Convert to devm_request_threaded_irq() Mark Brown
  2013-08-31 11:03 ` [PATCH 3/4] regulator: wm831x-isink: Use devm_request_threaded_irq() Mark Brown
@ 2013-08-31 11:03 ` Mark Brown
  2 siblings, 0 replies; 4+ messages in thread
From: Mark Brown @ 2013-08-31 11:03 UTC (permalink / raw)
  To: Liam Girdwood; +Cc: patches, linux-kernel, linaro-kernel, Mark Brown

From: Mark Brown <broonie@linaro.org>

devm guarantees that resources are freed in the oposite order to that in
which they are allocated.

Signed-off-by: Mark Brown <broonie@linaro.org>
---
 drivers/regulator/wm831x-ldo.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 1432b26..5570f3e 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -288,9 +288,10 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
-	ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
-				   IRQF_TRIGGER_RISING, ldo->name,
-				   ldo);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_ldo_uv_irq,
+					IRQF_TRIGGER_RISING, ldo->name,
+					ldo);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
 			irq, ret);
@@ -311,8 +312,6 @@ static int wm831x_gp_ldo_remove(struct platform_device *pdev)
 {
 	struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
 
-	free_irq(wm831x_irq(ldo->wm831x,
-			    platform_get_irq_byname(pdev, "UV")), ldo);
 	regulator_unregister(ldo->regulator);
 
 	return 0;
@@ -514,8 +513,9 @@ static int wm831x_aldo_probe(struct platform_device *pdev)
 	}
 
 	irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
-	ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
-				   IRQF_TRIGGER_RISING, ldo->name, ldo);
+	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+					wm831x_ldo_uv_irq,
+					IRQF_TRIGGER_RISING, ldo->name, ldo);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
 			irq, ret);
@@ -536,8 +536,6 @@ static int wm831x_aldo_remove(struct platform_device *pdev)
 {
 	struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
 
-	free_irq(wm831x_irq(ldo->wm831x, platform_get_irq_byname(pdev, "UV")),
-		 ldo);
 	regulator_unregister(ldo->regulator);
 
 	return 0;
-- 
1.8.4.rc3


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2013-08-31 11:04 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-08-31 11:03 [PATCH 1/4] regulator: wm831x-dcdc: Convert to devm_gpio_request_one() Mark Brown
2013-08-31 11:03 ` [PATCH 2/4] regulator: wm831x-dcdc: Convert to devm_request_threaded_irq() Mark Brown
2013-08-31 11:03 ` [PATCH 3/4] regulator: wm831x-isink: Use devm_request_threaded_irq() Mark Brown
2013-08-31 11:03 ` [PATCH 4/4] regulator: wm831x-ldo: " Mark Brown

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®