diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2016-02-09 10:30:34 +0530 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-04-01 13:25:32 +0800 |
| commit | a55a5305982d996a4db88c2525299edc836ebccf (patch) | |
| tree | 58066207f45a3e0959c3cce746581b74fe587f75 | |
| parent | 509c44d86639c54e1e0d51f50e43f5fea7aa36c9 (diff) | |
PM / OPP: Disable OPPs that aren't supported by the regulator
Disable any OPPs where the connected regulator isn't able to provide the
specified voltage.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 7d34d56ef3349cd5f29cf7aab6650f3414fa81b9)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Conflicts:
rm debugfs part in drivers/base/power/opp/core.c
| -rw-r--r-- | drivers/base/power/opp/core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 665a067669fc..3380944909fb 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -678,6 +678,22 @@ static struct dev_pm_opp *_allocate_opp(struct device *dev, return opp; } +static bool _opp_supported_by_regulators(struct dev_pm_opp *opp, + struct device_opp *dev_opp) +{ + struct regulator *reg = dev_opp->regulator; + + if (!IS_ERR(reg) && + !regulator_is_supported_voltage(reg, opp->u_volt_min, + opp->u_volt_max)) { + pr_warn("%s: OPP minuV: %lu maxuV: %lu, not supported by regulator\n", + __func__, opp->u_volt_min, opp->u_volt_max); + return false; + } + + return true; +} + static int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, struct device_opp *dev_opp) { |