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[3/4,RESEND,v2] spi: s3c64xx: simplify suspend / resume handlers

Message ID 55D7608A.7010800@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Heiner Kallweit Aug. 21, 2015, 5:31 p.m. UTC 
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(-)
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Patch

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);