openwrt/target/linux/ipq806x/patches-4.19/0056-cpufreq-dt-Add-missing-rcu-locks.patch
Christian Lamparter 63066d3006 ipq806x: refresh 4.19 patches
Reworked:

 - 0034 patchset update

Added:

 - 080 Add support for pinctrl-msm framework

Removed:

 - 0074-ipq806x-usb-Control-USB-master-reset.patch
   (we now have a dedicated driver for qcom usb)

 - 0047-mtd-nand-Create-a-BBT-flag-to-access-bad-block-marke
   (merged upstream)

 - 310-msm-adhoc-bus-support
   (it looks like it was never actually used in any dts)

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
[commit subject and description facelift, SoB fix]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
2019-12-19 22:41:57 +01:00

24 lines
704 B
Diff

From 001a8dcb56ced58c518aaa10a4f0ba5e878705b6 Mon Sep 17 00:00:00 2001
From: Georgi Djakov <georgi.djakov@linaro.org>
Date: Tue, 17 May 2016 16:15:43 +0300
Subject: [PATCH 56/69] cpufreq-dt: Add missing rcu locks
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
---
drivers/cpufreq/cpufreq-dt.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -146,8 +146,10 @@ static int opp_notifier(struct notifier_
ret = PTR_ERR(cpu_reg);
goto out;
}
+ rcu_read_lock();
volt = dev_pm_opp_get_voltage(opp);
freq = dev_pm_opp_get_freq(opp);
+ rcu_read_unlock();
mutex_lock(&priv->lock);
if (freq == priv->opp_freq) {