diff options
| author | David S. Miller <davem@davemloft.net> | 2013-01-29 15:32:13 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-29 15:32:13 -0500 |
| commit | f1e7b73acc26e8908af783bcd3a9900fd80688f5 (patch) | |
| tree | 9a9382fb7f12f1889020efb4bffa3f4a88589fc5 /drivers/devfreq/devfreq.c | |
| parent | 218774dc341f219bfcf940304a081b121a0e8099 (diff) | |
| parent | fc16e884a2320198b8cb7bc2fdcf6b4485e79709 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.
Signed-off-by: David S. Miller <davem@davemloft.net>
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) |