ipq806x: add kernel 4.14 support

[openwrt/staging/wigyori.git] / target / linux / ipq806x / patches-4.14 / 0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch

diff --git a/target/linux/ipq806x/patches-4.14/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch b/target/linux/ipq806x/patches-4.14/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch
new file mode 100644 (file)
index 0000000..f0705ba
--- /dev/null
+++ b/target/linux/ipq806x/patches-4.14/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch
@@ -0,0 +1,51 @@
+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/base/power/opp/core.c | 21 +++++++++++++++++++++
+ include/linux/pm_opp.h        |  1 +
+ 2 files changed, 22 insertions(+)
+
+--- a/drivers/base/power/opp/core.c
++++ b/drivers/base/power/opp/core.c
+@@ -126,6 +126,27 @@ 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 @@ enum dev_pm_opp_event {
+ 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);