diff options
| author |   Viresh Kumar <viresh.kumar@linaro.org> | 2018-08-03 07:05:21 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2018-09-19 14:56:40 -0700 |
| commit | 3d2556992a878a2210d3be498416aee39e0c32aa (patch) | |
| tree | 76f9566a83f216de277434d5613efdb059f2210d /drivers/opp/opp.h | |
| parent | OPP: Don't try to remove all OPP tables on failure (diff) | |
| download | linux-dev-3d2556992a878a2210d3be498416aee39e0c32aa.tar.xz linux-dev-3d2556992a878a2210d3be498416aee39e0c32aa.zip | |
OPP: Protect dev_list with opp_table lock
The dev_list needs to be protected with a lock, else we may have
simultaneous access (addition/removal) to it and that would be racy.
Extend scope of the opp_table lock to protect dev_list as well.
Tested-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/opp/opp.h')
| -rw-r--r-- | drivers/opp/opp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h index a9d22aa534c3..88e9f47aadf1 100644 --- a/drivers/opp/opp.h +++ b/drivers/opp/opp.h @@ -126,7 +126,7 @@ enum opp_table_access { * @dev_list: list of devices that share these OPPs * @opp_list: table of opps * @kref: for reference count of the table. - * @lock: mutex protecting the opp_list. + * @lock: mutex protecting the opp_list and dev_list. * @np: struct device_node pointer for opp's DT node. * @clock_latency_ns_max: Max clock latency in nanoseconds. * @shared_opp: OPP is shared between multiple devices. |