From: Prathyush K <prathyush.k@xxxxxxxxxxx>
When gsc is in runtime suspended state, there is no need to call
m2m_suspend during suspend and similarily, there is no need to call
m2m_resume during resume if already in runtime suspended state. This
patch adds the necessary conditions to achieve this.
Signed-off-by: Prathyush K <prathyush.k@xxxxxxxxxxx>
Signed-off-by: Arun Mankuzhi <arun.m@xxxxxxxxxxx>
Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
---
drivers/media/platform/exynos-gsc/gsc-core.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c
index 559fab2..fe69eae 100644
--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -1210,12 +1210,12 @@ static int gsc_resume(struct device *dev)
spin_unlock_irqrestore(&gsc->slock, flags);
return 0;
}
- gsc_hw_set_sw_reset(gsc);
- gsc_wait_reset(gsc);
-
spin_unlock_irqrestore(&gsc->slock, flags);
- return gsc_m2m_resume(gsc);
+ if (!pm_runtime_suspended(dev))
+ return gsc_runtime_resume(dev);
+
+ return 0;
}
static int gsc_suspend(struct device *dev)
@@ -1227,7 +1227,10 @@ static int gsc_suspend(struct device *dev)
if (test_and_set_bit(ST_SUSPEND, &gsc->state))
return 0;
- return gsc_m2m_suspend(gsc);
+ if (!pm_runtime_suspended(dev))
+ return gsc_runtime_suspend(dev);
+
+ return 0;
}
static const struct dev_pm_ops gsc_pm_ops = {
--
1.7.9.5
--
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