ipq806x: 6.1: copy patches, files and config from 5.15

[openwrt/staging/ldir.git] / target / linux / ipq806x / patches-6.1 / 111-v5.19-01-PM-devfreq-Export-devfreq_get_freq_range-symbol-with.patch

diff --git a/target/linux/ipq806x/patches-6.1/111-v5.19-01-PM-devfreq-Export-devfreq_get_freq_range-symbol-with.patch b/target/linux/ipq806x/patches-6.1/111-v5.19-01-PM-devfreq-Export-devfreq_get_freq_range-symbol-with.patch
new file mode 100644 (file)
index 0000000..6b7a689
--- /dev/null
+++ b/target/linux/ipq806x/patches-6.1/111-v5.19-01-PM-devfreq-Export-devfreq_get_freq_range-symbol-with.patch
@@ -0,0 +1,113 @@
+From 713472e53e6e53c985e283782b0fd76b8ecfd47e Mon Sep 17 00:00:00 2001
+From: Chanwoo Choi <cw00.choi@samsung.com>
+Date: Mon, 1 Mar 2021 02:07:29 +0900
+Subject: [PATCH 1/5] PM / devfreq: Export devfreq_get_freq_range symbol within
+ devfreq
+
+In order to get frequency range within devfreq governors,
+export devfreq_get_freq_range symbol within devfreq.
+
+Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
+Tested-by: Chen-Yu Tsai <wenst@chromium.org>
+Tested-by: Johnson Wang <johnson.wang@mediatek.com>
+Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
+---
+ drivers/devfreq/devfreq.c  | 20 ++++++++++++--------
+ drivers/devfreq/governor.h |  2 ++
+ 2 files changed, 14 insertions(+), 8 deletions(-)
+
+--- a/drivers/devfreq/devfreq.c
++++ b/drivers/devfreq/devfreq.c
+@@ -112,16 +112,16 @@ static unsigned long find_available_max_
+ }
+ 
+ /**
+- * get_freq_range() - Get the current freq range
++ * devfreq_get_freq_range() - Get the current freq range
+  * @devfreq:  the devfreq instance
+  * @min_freq: the min frequency
+  * @max_freq: the max frequency
+  *
+  * This takes into consideration all constraints.
+  */
+-static void get_freq_range(struct devfreq *devfreq,
+-                         unsigned long *min_freq,
+-                         unsigned long *max_freq)
++void devfreq_get_freq_range(struct devfreq *devfreq,
++                          unsigned long *min_freq,
++                          unsigned long *max_freq)
+ {
+       unsigned long *freq_table = devfreq->profile->freq_table;
+       s32 qos_min_freq, qos_max_freq;
+@@ -158,6 +158,7 @@ static void get_freq_range(struct devfre
+       if (*min_freq > *max_freq)
+               *min_freq = *max_freq;
+ }
++EXPORT_SYMBOL(devfreq_get_freq_range);
+ 
+ /**
+  * devfreq_get_freq_level() - Lookup freq_table for the frequency
+@@ -418,7 +419,7 @@ int devfreq_update_target(struct devfreq
+       err = devfreq->governor->get_target_freq(devfreq, &freq);
+       if (err)
+               return err;
+-      get_freq_range(devfreq, &min_freq, &max_freq);
++      devfreq_get_freq_range(devfreq, &min_freq, &max_freq);
+ 
+       if (freq < min_freq) {
+               freq = min_freq;
+@@ -784,6 +785,7 @@ struct devfreq *devfreq_add_device(struc
+ {
+       struct devfreq *devfreq;
+       struct devfreq_governor *governor;
++      unsigned long min_freq, max_freq;
+       int err = 0;
+ 
+       if (!dev || !profile || !governor_name) {
+@@ -848,6 +850,8 @@ struct devfreq *devfreq_add_device(struc
+               goto err_dev;
+       }
+ 
++      devfreq_get_freq_range(devfreq, &min_freq, &max_freq);
++
+       devfreq->suspend_freq = dev_pm_opp_get_suspend_opp_freq(dev);
+       devfreq->opp_table = dev_pm_opp_get_opp_table(dev);
+       if (IS_ERR(devfreq->opp_table))
+@@ -1559,7 +1563,7 @@ static ssize_t min_freq_show(struct devi
+       unsigned long min_freq, max_freq;
+ 
+       mutex_lock(&df->lock);
+-      get_freq_range(df, &min_freq, &max_freq);
++      devfreq_get_freq_range(df, &min_freq, &max_freq);
+       mutex_unlock(&df->lock);
+ 
+       return sprintf(buf, "%lu\n", min_freq);
+@@ -1613,7 +1617,7 @@ static ssize_t max_freq_show(struct devi
+       unsigned long min_freq, max_freq;
+ 
+       mutex_lock(&df->lock);
+-      get_freq_range(df, &min_freq, &max_freq);
++      devfreq_get_freq_range(df, &min_freq, &max_freq);
+       mutex_unlock(&df->lock);
+ 
+       return sprintf(buf, "%lu\n", max_freq);
+@@ -1927,7 +1931,7 @@ static int devfreq_summary_show(struct s
+ 
+               mutex_lock(&devfreq->lock);
+               cur_freq = devfreq->previous_freq;
+-              get_freq_range(devfreq, &min_freq, &max_freq);
++              devfreq_get_freq_range(devfreq, &min_freq, &max_freq);
+               timer = devfreq->profile->timer;
+ 
+               if (IS_SUPPORTED_ATTR(devfreq->governor->attrs, POLLING_INTERVAL))
+--- a/drivers/devfreq/governor.h
++++ b/drivers/devfreq/governor.h
+@@ -86,6 +86,8 @@ int devfreq_remove_governor(struct devfr
+ 
+ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq);
+ int devfreq_update_target(struct devfreq *devfreq, unsigned long freq);
++void devfreq_get_freq_range(struct devfreq *devfreq, unsigned long *min_freq,
++                          unsigned long *max_freq);
+ 
+ static inline int devfreq_update_stats(struct devfreq *df)
+ {