Thread (15 messages) 15 messages, 3 authors, 2018-02-08

Re: [PATCH v5 1/4] cpu_pm: add syscore_suspend error handling

From: Marc Zyngier <hidden>
Date: 2018-02-07 08:57:33
Also in: linux-pm, lkml

On 07/02/18 01:41, Derek Basehore wrote:
quoted hunk ↗ jump to hunk
If cpu_cluster_pm_enter() fails, cpu_pm_exit() should be called. This
will put the CPU in the correct state to resume from the failure.

Signed-off-by: Derek Basehore <redacted>
---
 kernel/cpu_pm.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
index 67b02e138a47..03bcc0751a51 100644
--- a/kernel/cpu_pm.c
+++ b/kernel/cpu_pm.c
@@ -186,6 +186,9 @@ static int cpu_pm_suspend(void)
 		return ret;
 
 	ret = cpu_cluster_pm_enter();
+	if (ret)
+		cpu_pm_exit();
+
 	return ret;
 }
 
It is unclear to me why we need this patch as part of the ITS series. I
probably fixes something for you, but I don't see the connection with
the other patches.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...
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