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author | Ansuel Smith <ansuelsmth@gmail.com> | 2019-11-28 21:41:20 +0100 |
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committer | Petr Štetiar <ynezz@true.cz> | 2019-12-19 22:41:57 +0100 |
commit | c5d2f3c4765a93dbca9654858a8dec8bf307ad5f (patch) | |
tree | 61906595f55dbd17219d94438efb782cff4cb457 /target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch | |
parent | b1e8a390ea7bde59eb47bdd729228cb377aa6f6f (diff) | |
download | upstream-c5d2f3c4765a93dbca9654858a8dec8bf307ad5f.tar.gz upstream-c5d2f3c4765a93dbca9654858a8dec8bf307ad5f.tar.bz2 upstream-c5d2f3c4765a93dbca9654858a8dec8bf307ad5f.zip |
ipq806x: copy files from 4.14 to 4.19
This copies files from files-4.14 to files-4.19 directory in order to
get clear diffs for any changes done from now on.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
[added missing commit description, refreshed ea8500 and wpq864 DTS]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Diffstat (limited to 'target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch b/target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch new file mode 100644 index 0000000000..7cde22be0b --- /dev/null +++ b/target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch @@ -0,0 +1,38 @@ +From 4533c285c2aedce6d4434d7b877066de3b1ecb33 Mon Sep 17 00:00:00 2001 +From: Georgi Djakov <georgi.djakov@linaro.org> +Date: Thu, 25 Aug 2016 18:43:35 +0300 +Subject: [PATCH 52/69] PM / OPP: Update the voltage tolerance when adjusting + the OPP + +When the voltage is adjusted, the voltage tolerance is not updated. +This can lead to situations where the voltage min value is greater +than the voltage max value. The final result is triggering a BUG() +in the regulator core. +Fix this by updating the voltage tolerance values too. + +Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> +--- + drivers/base/power/opp/core.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/base/power/opp/core.c ++++ b/drivers/base/power/opp/core.c +@@ -1652,6 +1652,7 @@ int dev_pm_opp_adjust_voltage(struct dev + struct opp_table *opp_table; + struct dev_pm_opp *new_opp, *tmp_opp, *opp = ERR_PTR(-ENODEV); + int r = 0; ++ unsigned long tol; + + /* keep the node allocated */ + new_opp = kmalloc(sizeof(*new_opp), GFP_KERNEL); +@@ -1688,6 +1689,10 @@ int dev_pm_opp_adjust_voltage(struct dev + + /* plug in new node */ + new_opp->supplies[0].u_volt = u_volt; ++ tol = u_volt * opp_table->voltage_tolerance_v1 / 100; ++ new_opp->supplies[0].u_volt = u_volt; ++ new_opp->supplies[0].u_volt_min = u_volt - tol; ++ new_opp->supplies[0].u_volt_max = u_volt + tol; + + list_replace(&opp->node, &new_opp->node); + mutex_unlock(&opp_table_lock); |