Thread (12 messages) flat view 12 messages, 3 authors, 2012-04-03
STALE5270d

[PATCH 1/2] ARM: OMAP: powerdomain: Wait for powerdomain transition in pwrdm_state_switch()

From: Santosh Shilimkar <hidden>
Date: 2012-03-12 14:34:32
Also in: linux-omap
Subsystem: arm port, omap2+ support, the rest · Maintainers: Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds

Commit b1cbdb00d{OMAP: clockdomain: Wait for powerdomain to be ON
when using clockdomain force wakeup} was assuming that pwrdm_state_switch()
does wait for the powerdomain transition which is not the case.

Fix this API by adding the pwrdm_wait_transition().

Signed-off-by: Santosh Shilimkar <redacted>
CC: Rajendra Nayak <redacted>
CC: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/powerdomain.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 8a18d1b..96ad3dbe 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -972,7 +972,13 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm)
 
 int pwrdm_state_switch(struct powerdomain *pwrdm)
 {
-	return _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+	int ret;
+
+	ret = pwrdm_wait_transition(pwrdm);
+	if (!ret)
+		ret = _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+
+	return ret;
 }
 
 int pwrdm_clkdm_state_switch(struct clockdomain *clkdm)
-- 
1.7.4.1
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