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[3.11.y.z,extended,stable] Patch "PM / OPP: fix incorrect OPP count handling in of_init_opp_table" has been added to staging queue

Message ID 1403778872-9142-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques June 26, 2014, 10:34 a.m. UTC
This is a note to let you know that I have just added a patch titled

    PM / OPP: fix incorrect OPP count handling in of_init_opp_table

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From 5cb778488c3d6c91c7b84918acc6a96d7a34b152 Mon Sep 17 00:00:00 2001
From: Chander Kashyap <chander.kashyap@linaro.org>
Date: Fri, 16 May 2014 16:21:17 +0530
Subject: PM / OPP: fix incorrect OPP count handling in of_init_opp_table

commit 086abb58590a4df73e8a6ed71fd418826937cd46 upstream.

In of_init_opp_table function, if a failure to add an OPP is
detected, the count of OPPs, yet to be added is not updated.
Fix this by decrementing this count on failure as well.

Signed-off-by: Chander Kashyap <k.chander@samsung.com>
Signed-off-by: Inderpal Singh <inderpal.s@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/base/power/opp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--
1.9.1
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Patch

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index c8ec186303db..a5d4de1b9d42 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -731,11 +731,9 @@  int of_init_opp_table(struct device *dev)
 		unsigned long freq = be32_to_cpup(val++) * 1000;
 		unsigned long volt = be32_to_cpup(val++);

-		if (opp_add(dev, freq, volt)) {
+		if (opp_add(dev, freq, volt))
 			dev_warn(dev, "%s: Failed to add OPP %ld\n",
 				 __func__, freq);
-			continue;
-		}
 		nr -= 2;
 	}