ipq806x: add missing scaling_available_frequencies for dedicated cpufreq

Add missing scaling_available_frequencies sysfs entry for dedicated
cpufreq driver.
This sysfs entry is not standard and each cpufreq driver needs to
provide it and declare it in the cpufreq driver struct attr.

Fixes: 5dbbefcbccc0 ("ipq806x: introduce dedicated krait cpufreq")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
[ fix conflict by dropping 5.15 patch not present in openwrt-22.03 ]
(cherry picked from commit d6994c53cd0e5334478d2aab424674da438804e2)

diff --git a/target/linux/ipq806x/patches-5.10/098-1-cpufreq-add-Krait-dedicated-scaling-driver.patch b/target/linux/ipq806x/patches-5.10/098-1-cpufreq-add-Krait-dedicated-scaling-driver.patch
index 769686220b770a20f12ac90a6260465aefdaf6d9..d3677253f6d609ca250f441dadbb14a46850050d 100644 (file)
--- a/target/linux/ipq806x/patches-5.10/098-1-cpufreq-add-Krait-dedicated-scaling-driver.patch
+++ b/target/linux/ipq806x/patches-5.10/098-1-cpufreq-add-Krait-dedicated-scaling-driver.patch
@@ -75,7 +75,7 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
  ##################################################################################
 --- /dev/null
 +++ b/drivers/cpufreq/qcom-cpufreq-krait.c
-@@ -0,0 +1,603 @@
+@@ -0,0 +1,609 @@
 +// SPDX-License-Identifier: GPL-2.0
 +
 +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -435,6 +435,11 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
 +      return 0;
 +}
 +
++static struct freq_attr *krait_cpufreq_attr[] = {
++      &cpufreq_freq_attr_scaling_available_freqs,
++      NULL,
++};
++
 +static struct cpufreq_driver krait_cpufreq_driver = {
 +      .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
 +               CPUFREQ_IS_COOLING_DEV,
@@ -446,6 +451,7 @@ Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
 +      .online = cpufreq_online,
 +      .offline = cpufreq_offline,
 +      .name = "krait-cpufreq",
++      .attr = krait_cpufreq_attr,
 +      .suspend = cpufreq_generic_suspend,
 +};
 +