* [PATCH 3/4 RESEND v2] spi: s3c64xx: simplify suspend / resume handlers
@ 2015-08-21 17:31 Heiner Kallweit
0 siblings, 0 replies; 2+ messages in thread
From: Heiner Kallweit @ 2015-08-21 17:31 UTC (permalink / raw)
To: Krzysztof Kozlowski; +Cc: linux-samsung-soc, linux-spi@vger.kernel.org
The runtime PM suspend / resume handlers take care of the enabling/
disabling the clocks already. Therefore replace the duplicated
clock handling with pm_runtime_force_suspend/resume.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
Changed:
- Replaced pm_runtime_suspend/resume calls with their
.._force_.. equivalents.
v2:
- Added "Reviewed-by"
drivers/spi/spi-s3c64xx.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index edeac06..735b7f5 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1246,10 +1246,9 @@ static int s3c64xx_spi_suspend(struct device *dev)
if (ret)
return ret;
- if (!pm_runtime_suspended(dev)) {
- clk_disable_unprepare(sdd->clk);
- clk_disable_unprepare(sdd->src_clk);
- }
+ ret = pm_runtime_force_suspend(dev);
+ if (ret < 0)
+ return ret;
sdd->cur_speed = 0; /* Output Clock is stopped */
@@ -1261,14 +1260,14 @@ static int s3c64xx_spi_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
struct s3c64xx_spi_info *sci = sdd->cntrlr_info;
+ int ret;
if (sci->cfg_gpio)
sci->cfg_gpio();
- if (!pm_runtime_suspended(dev)) {
- clk_prepare_enable(sdd->src_clk);
- clk_prepare_enable(sdd->clk);
- }
+ ret = pm_runtime_force_resume(dev);
+ if (ret < 0)
+ return ret;
s3c64xx_spi_hwinit(sdd, sdd->port_id);
--
2.5.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 3/4 RESEND v2] spi: s3c64xx: simplify suspend / resume handlers
@ 2015-09-03 20:40 Heiner Kallweit
0 siblings, 0 replies; 2+ messages in thread
From: Heiner Kallweit @ 2015-09-03 20:40 UTC (permalink / raw)
To: Mark Brown
Cc: Krzysztof Kozlowski,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
The runtime PM suspend / resume handlers take care of the enabling/
disabling the clocks already. Therefore replace the duplicated
clock handling with pm_runtime_force_suspend/resume.
Signed-off-by: Heiner Kallweit <hkallweit1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
Changed:
- Replaced pm_runtime_suspend/resume calls with their
.._force_.. equivalents.
v2:
- Added "Reviewed-by"
drivers/spi/spi-s3c64xx.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index edeac06..735b7f5 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1246,10 +1246,9 @@ static int s3c64xx_spi_suspend(struct device *dev)
if (ret)
return ret;
- if (!pm_runtime_suspended(dev)) {
- clk_disable_unprepare(sdd->clk);
- clk_disable_unprepare(sdd->src_clk);
- }
+ ret = pm_runtime_force_suspend(dev);
+ if (ret < 0)
+ return ret;
sdd->cur_speed = 0; /* Output Clock is stopped */
@@ -1261,14 +1260,14 @@ static int s3c64xx_spi_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
struct s3c64xx_spi_info *sci = sdd->cntrlr_info;
+ int ret;
if (sci->cfg_gpio)
sci->cfg_gpio();
- if (!pm_runtime_suspended(dev)) {
- clk_prepare_enable(sdd->src_clk);
- clk_prepare_enable(sdd->clk);
- }
+ ret = pm_runtime_force_resume(dev);
+ if (ret < 0)
+ return ret;
s3c64xx_spi_hwinit(sdd, sdd->port_id);
--
2.5.0
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