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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-26 00:41:02 +0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-26 00:41:02 +0400 |
commit | 67635d397a643514fdfa859f611b86bd3ad8958d (patch) | |
tree | b5df6d79b35cde39c00f0cc1432f128f473d4d6e /drivers/devfreq/devfreq.c | |
parent | 192fef18d0f5ac9a05a93ff6314fc9865c10fbf9 (diff) | |
parent | 949db153b6466c6f7cad5a427ecea94985927311 (diff) | |
download | linux-67635d397a643514fdfa859f611b86bd3ad8958d.tar.xz |
Merge 3.8-rc5 into usb-next
This fixes up a conflict with drivers/usb/serial/io_ti.c that came up in
linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/devfreq/devfreq.c')
-rw-r--r-- | drivers/devfreq/devfreq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 53766f39aadd..3b367973a802 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -994,6 +994,11 @@ module_exit(devfreq_exit); * @freq: The frequency given to target function * @flags: Flags handed from devfreq framework. * + * Locking: This function must be called under rcu_read_lock(). opp is a rcu + * protected pointer. The reason for the same is that the opp pointer which is + * returned will remain valid for use with opp_get_{voltage, freq} only while + * under the locked area. The pointer returned must be used prior to unlocking + * with rcu_read_unlock() to maintain the integrity of the pointer. */ struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags) |