diff options
Diffstat (limited to 'target/linux/ipq806x/patches-5.4/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.4/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.4/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch b/target/linux/ipq806x/patches-5.4/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch new file mode 100644 index 0000000000..4312db905a --- /dev/null +++ b/target/linux/ipq806x/patches-5.4/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch @@ -0,0 +1,52 @@ +From d06ca5e7a3cf726f5be5ffd96e93ccd798b8c09a Mon Sep 17 00:00:00 2001 +From: Georgi Djakov <georgi.djakov@linaro.org> +Date: Thu, 12 May 2016 14:41:33 +0300 +Subject: [PATCH 51/69] PM / OPP: Add a helper to get an opp regulator for + device + +Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> +--- + drivers/opp/core.c | 21 +++++++++++++++++++++ + include/linux/pm_opp.h | 1 + + 2 files changed, 22 insertions(+) + +--- a/drivers/opp/core.c ++++ b/drivers/opp/core.c +@@ -125,6 +125,27 @@ unsigned long dev_pm_opp_get_freq(struct + } + EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq); + ++struct regulator *dev_pm_opp_get_regulator(struct device *dev) ++{ ++ struct opp_table *opp_table; ++ struct regulator *reg; ++ ++ rcu_read_lock(); ++ ++ opp_table = _find_opp_table(dev); ++ if (IS_ERR(opp_table)) { ++ rcu_read_unlock(); ++ return ERR_CAST(opp_table); ++ } ++ ++ reg = opp_table->regulators[0]; ++ ++ rcu_read_unlock(); ++ ++ return reg; ++} ++EXPORT_SYMBOL_GPL(dev_pm_opp_get_regulator); ++ + /** + * dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not + * @opp: opp for which turbo mode is being verified +--- a/include/linux/pm_opp.h ++++ b/include/linux/pm_opp.h +@@ -85,6 +85,7 @@ void dev_pm_opp_put_opp_table(struct opp + unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); + + unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); ++struct regulator *dev_pm_opp_get_regulator(struct device *dev); + + bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); + |