openwrt/target/linux/ipq806x/patches-4.14/0051-PM-OPP-Add-a-helper-to-get-an-opp-regulator-for-devi.patch
Koen Vandeputte db345220b4 kernel: bump 4.14 to 4.14.155
Refreshed all patches.

Altered patches:
- 707-dpaa-ethernet-support-layerscape.patch

Remove upstreamed:
- 034-v4.20-MIPS-BCM47XX-Enable-USB-power-on-Netgear-WNDR3400v3.patch
- 001-4.21-01-BCM63XX-fix-switch-core-reset-on-BCM6368.patch
- 073-qcom-ipq4019-fix-cpu0-s-qcom-saw2-reg-value.patch

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-11-22 16:58:21 +01:00

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
@@ -131,6 +131,27 @@ 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);