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[4/9] s5p-mfc: Ensure that clock is disabled before turning power off

Message ID 1479287098-30493-5-git-send-email-m.szyprowski@samsung.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Marek Szyprowski Nov. 16, 2016, 9:04 a.m. UTC 
Move clock disabling before turning power off. This will enable later to
add calls to clk_prepare/unprepare in the s5p_mfc_power_off() function
to avoid keeping clocks prepared all the time when driver is bound.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 drivers/media/platform/s5p-mfc/s5p_mfc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index a0a29194ccd1..30ceae7eabc5 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -963,11 +963,13 @@  static int s5p_mfc_release(struct file *file)
 			mfc_debug(2, "Last instance\n");
 			s5p_mfc_deinit_hw(dev);
 			del_timer_sync(&dev->watchdog_timer);
+			s5p_mfc_clock_off();
 			if (s5p_mfc_power_off() < 0)
 				mfc_err("Power off failed\n");
+		} else {
+			mfc_debug(2, "Shutting down clock\n");
+			s5p_mfc_clock_off();
 		}
-		mfc_debug(2, "Shutting down clock\n");
-		s5p_mfc_clock_off();
 	}
 	if (dev)
 		dev->ctx[ctx->num] = NULL;