diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/mipi-csis.c')
-rw-r--r-- | drivers/media/video/s5p-fimc/mipi-csis.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/media/video/s5p-fimc/mipi-csis.c b/drivers/media/video/s5p-fimc/mipi-csis.c index e34d4ba031b7..59d79bc2f58a 100644 --- a/drivers/media/video/s5p-fimc/mipi-csis.c +++ b/drivers/media/video/s5p-fimc/mipi-csis.c @@ -559,7 +559,6 @@ static int __devinit s5pcsis_probe(struct platform_device *pdev) /* .. and a pointer to the subdev. */ platform_set_drvdata(pdev, &state->sd); - state->flags = ST_SUSPENDED; pm_runtime_enable(&pdev->dev); return 0; @@ -580,7 +579,7 @@ e_free: return ret; } -static int s5pcsis_suspend(struct device *dev) +static int s5pcsis_pm_suspend(struct device *dev, bool runtime) { struct s5p_platform_mipi_csis *pdata = dev->platform_data; struct platform_device *pdev = to_platform_device(dev); @@ -603,14 +602,15 @@ static int s5pcsis_suspend(struct device *dev) goto unlock; clk_disable(state->clock[CSIS_CLK_GATE]); state->flags &= ~ST_POWERED; + if (!runtime) + state->flags |= ST_SUSPENDED; } - state->flags |= ST_SUSPENDED; unlock: mutex_unlock(&state->lock); return ret ? -EAGAIN : 0; } -static int s5pcsis_resume(struct device *dev) +static int s5pcsis_pm_resume(struct device *dev, bool runtime) { struct s5p_platform_mipi_csis *pdata = dev->platform_data; struct platform_device *pdev = to_platform_device(dev); @@ -622,7 +622,7 @@ static int s5pcsis_resume(struct device *dev) __func__, state->flags); mutex_lock(&state->lock); - if (!(state->flags & ST_SUSPENDED)) + if (!runtime && !(state->flags & ST_SUSPENDED)) goto unlock; if (!(state->flags & ST_POWERED)) { @@ -650,24 +650,26 @@ static int s5pcsis_resume(struct device *dev) } #ifdef CONFIG_PM_SLEEP -static int s5pcsis_pm_suspend(struct device *dev) +static int s5pcsis_suspend(struct device *dev) { - return s5pcsis_suspend(dev); + return s5pcsis_pm_suspend(dev, false); } -static int s5pcsis_pm_resume(struct device *dev) +static int s5pcsis_resume(struct device *dev) { - int ret; - - ret = s5pcsis_resume(dev); + return s5pcsis_pm_resume(dev, false); +} +#endif - if (!ret) { - pm_runtime_disable(dev); - ret = pm_runtime_set_active(dev); - pm_runtime_enable(dev); - } +#ifdef CONFIG_PM_RUNTIME +static int s5pcsis_runtime_suspend(struct device *dev) +{ + return s5pcsis_pm_suspend(dev, true); +} - return ret; +static int s5pcsis_runtime_resume(struct device *dev) +{ + return s5pcsis_pm_resume(dev, true); } #endif @@ -695,8 +697,9 @@ static int __devexit s5pcsis_remove(struct platform_device *pdev) } static const struct dev_pm_ops s5pcsis_pm_ops = { - SET_RUNTIME_PM_OPS(s5pcsis_suspend, s5pcsis_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(s5pcsis_pm_suspend, s5pcsis_pm_resume) + SET_RUNTIME_PM_OPS(s5pcsis_runtime_suspend, s5pcsis_runtime_resume, + NULL) + SET_SYSTEM_SLEEP_PM_OPS(s5pcsis_suspend, s5pcsis_resume) }; static struct platform_driver s5pcsis_driver = { |