diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2015-09-03 22:40:11 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-09-14 19:57:31 +0200 |
| commit | 4fcd9b9e06d43b93d00bf02c767d578e7cf8b25c (patch) | |
| tree | c1c0f2d28552eb2e81f81ae9da27b70656005313 /drivers/spi | |
| parent | spi: s3c64xx: extend driver to make full use of runtime PM autosuspend (diff) | |
| download | linux-4fcd9b9e06d43b93d00bf02c767d578e7cf8b25c.tar.xz linux-4fcd9b9e06d43b93d00bf02c767d578e7cf8b25c.zip | |
spi: s3c64xx: simplify suspend / resume handlers
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>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-s3c64xx.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index d117fa638ee3..4e5931cabfa2 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); |