mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 00:11:13 +00:00
77e97abf12
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From 814af1a008845b61a08111f2f9cf7e66511ab362 Mon Sep 17 00:00:00 2001
|
|
From: popcornmix <popcornmix@gmail.com>
|
|
Date: Fri, 13 Sep 2019 13:45:11 +0100
|
|
Subject: [PATCH] raspberrypi-cpufreq: Only report integer pll divisor
|
|
frequencies
|
|
|
|
---
|
|
drivers/cpufreq/raspberrypi-cpufreq.c | 7 ++++++-
|
|
1 file changed, 6 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/cpufreq/raspberrypi-cpufreq.c
|
|
+++ b/drivers/cpufreq/raspberrypi-cpufreq.c
|
|
@@ -8,6 +8,7 @@
|
|
#include <linux/clk.h>
|
|
#include <linux/cpu.h>
|
|
#include <linux/cpufreq.h>
|
|
+#include <linux/math64.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/pm_opp.h>
|
|
@@ -22,6 +23,7 @@ static int raspberrypi_cpufreq_probe(str
|
|
unsigned long min, max;
|
|
unsigned long rate;
|
|
struct clk *clk;
|
|
+ int div;
|
|
int ret;
|
|
|
|
cpu_dev = get_cpu_device(0);
|
|
@@ -44,7 +46,10 @@ static int raspberrypi_cpufreq_probe(str
|
|
max = roundup(clk_round_rate(clk, ULONG_MAX), RASPBERRYPI_FREQ_INTERVAL);
|
|
clk_put(clk);
|
|
|
|
- for (rate = min; rate <= max; rate += RASPBERRYPI_FREQ_INTERVAL) {
|
|
+ for (div = 2; ; div++) {
|
|
+ rate = div_u64((u64)max * 2, div);
|
|
+ if (rate < min)
|
|
+ break;
|
|
ret = dev_pm_opp_add(cpu_dev, rate, 0);
|
|
if (ret)
|
|
goto remove_opp;
|