openwrtv4/target/linux/brcm2708/patches-4.4/0226-Revert-Revert-cpufreq-Temporarily-ignore-io_is_busy-.patch
Álvaro Fernández Rojas 2b1c6b21b5 brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Also adds support for Raspberry Pi Compute Module 3 (untested).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-09-10 14:54:26 +02:00

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820 B
Diff

From 086b24cf253a55acfaa185310fa19b7493ddbe3f Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 4 Apr 2016 19:52:27 +0100
Subject: [PATCH] Revert "Revert "cpufreq: Temporarily ignore io_is_busy=1""
This reverts commit c353af0f83220068c10f6593b1767576b9b6cc18.
---
drivers/cpufreq/cpufreq_ondemand.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -307,7 +307,12 @@ static ssize_t store_io_is_busy(struct d
ret = sscanf(buf, "%u", &input);
if (ret != 1)
return -EINVAL;
- od_tuners->io_is_busy = !!input;
+ // XXX temporary hack
+ if (input > 1)
+ input = 1;
+ else
+ input = 0;
+ od_tuners->io_is_busy = input;
/* we need to re-evaluate prev_cpu_idle */
for_each_online_cpu(j) {