openwrt/target/linux/ipq806x/patches-4.14/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch
Stijn Segers 1199a91095 kernel: bump 4.14 to 4.14.48 for 18.06
Refreshed patches. The following patches were upstreamed and have been deleted:

* target/linux/lantiq/patches-4.14/0025-MIPS-lantiq-gphy-Remove-reboot-remove-reset-asserts.patch
* target/linux/generic/pending-4.14/101-clocksource-mips-gic-timer-fix-clocksource-counter-w.patch
* target/linux/generic/pending-4.14/103-MIPS-c-r4k-fix-data-corruption-related-to-cache-coherence.patch
* target/linux/generic/pending-4.14/181-net-usb-add-lte-modem-wistron-neweb-d18q1.patch

Compile-tested: ramips/mt7621, x86/64
Run-tested: ramips/mt7621

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
2018-06-07 09:03:24 +02:00

53 lines
1.5 KiB
Diff

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 @@ 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);