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-rw-r--r--target/linux/mediatek/patches-5.15/350-05-cpufreq-mediatek-Replace-old_-with-pre_.patch201
1 files changed, 201 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/350-05-cpufreq-mediatek-Replace-old_-with-pre_.patch b/target/linux/mediatek/patches-5.15/350-05-cpufreq-mediatek-Replace-old_-with-pre_.patch
new file mode 100644
index 0000000000..8506f4e477
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/350-05-cpufreq-mediatek-Replace-old_-with-pre_.patch
@@ -0,0 +1,201 @@
+From 35832d9f9c5c1da01420d962dc56e7e61d104829 Mon Sep 17 00:00:00 2001
+From: Rex-BC Chen <rex-bc.chen@mediatek.com>
+Date: Fri, 22 Apr 2022 15:52:28 +0800
+Subject: [PATCH 05/21] cpufreq: mediatek: Replace old_* with pre_*
+
+To make driver more readable, replace old_* with pre_*.
+
+Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
+Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
+---
+ drivers/cpufreq/mediatek-cpufreq.c | 84 +++++++++++++++---------------
+ 1 file changed, 42 insertions(+), 42 deletions(-)
+
+--- a/drivers/cpufreq/mediatek-cpufreq.c
++++ b/drivers/cpufreq/mediatek-cpufreq.c
+@@ -63,18 +63,18 @@ static int mtk_cpufreq_voltage_tracking(
+ {
+ struct regulator *proc_reg = info->proc_reg;
+ struct regulator *sram_reg = info->sram_reg;
+- int old_vproc, old_vsram, new_vsram, vsram, vproc, ret;
++ int pre_vproc, pre_vsram, new_vsram, vsram, vproc, ret;
+
+- old_vproc = regulator_get_voltage(proc_reg);
+- if (old_vproc < 0) {
++ pre_vproc = regulator_get_voltage(proc_reg);
++ if (pre_vproc < 0) {
+ dev_err(info->cpu_dev,
+- "invalid Vproc value: %d\n", old_vproc);
+- return old_vproc;
++ "invalid Vproc value: %d\n", pre_vproc);
++ return pre_vproc;
+ }
+ /* Vsram should not exceed the maximum allowed voltage of SoC. */
+ new_vsram = min(new_vproc + MIN_VOLT_SHIFT, MAX_VOLT_LIMIT);
+
+- if (old_vproc < new_vproc) {
++ if (pre_vproc < new_vproc) {
+ /*
+ * When scaling up voltages, Vsram and Vproc scale up step
+ * by step. At each step, set Vsram to (Vproc + 200mV) first,
+@@ -82,20 +82,20 @@ static int mtk_cpufreq_voltage_tracking(
+ * Keep doing it until Vsram and Vproc hit target voltages.
+ */
+ do {
+- old_vsram = regulator_get_voltage(sram_reg);
+- if (old_vsram < 0) {
++ pre_vsram = regulator_get_voltage(sram_reg);
++ if (pre_vsram < 0) {
+ dev_err(info->cpu_dev,
+- "invalid Vsram value: %d\n", old_vsram);
+- return old_vsram;
++ "invalid Vsram value: %d\n", pre_vsram);
++ return pre_vsram;
+ }
+- old_vproc = regulator_get_voltage(proc_reg);
+- if (old_vproc < 0) {
++ pre_vproc = regulator_get_voltage(proc_reg);
++ if (pre_vproc < 0) {
+ dev_err(info->cpu_dev,
+- "invalid Vproc value: %d\n", old_vproc);
+- return old_vproc;
++ "invalid Vproc value: %d\n", pre_vproc);
++ return pre_vproc;
+ }
+
+- vsram = min(new_vsram, old_vproc + MAX_VOLT_SHIFT);
++ vsram = min(new_vsram, pre_vproc + MAX_VOLT_SHIFT);
+
+ if (vsram + VOLT_TOL >= MAX_VOLT_LIMIT) {
+ vsram = MAX_VOLT_LIMIT;
+@@ -124,12 +124,12 @@ static int mtk_cpufreq_voltage_tracking(
+ ret = regulator_set_voltage(proc_reg, vproc,
+ vproc + VOLT_TOL);
+ if (ret) {
+- regulator_set_voltage(sram_reg, old_vsram,
+- old_vsram);
++ regulator_set_voltage(sram_reg, pre_vsram,
++ pre_vsram);
+ return ret;
+ }
+ } while (vproc < new_vproc || vsram < new_vsram);
+- } else if (old_vproc > new_vproc) {
++ } else if (pre_vproc > new_vproc) {
+ /*
+ * When scaling down voltages, Vsram and Vproc scale down step
+ * by step. At each step, set Vproc to (Vsram - 200mV) first,
+@@ -137,20 +137,20 @@ static int mtk_cpufreq_voltage_tracking(
+ * Keep doing it until Vsram and Vproc hit target voltages.
+ */
+ do {
+- old_vproc = regulator_get_voltage(proc_reg);
+- if (old_vproc < 0) {
++ pre_vproc = regulator_get_voltage(proc_reg);
++ if (pre_vproc < 0) {
+ dev_err(info->cpu_dev,
+- "invalid Vproc value: %d\n", old_vproc);
+- return old_vproc;
++ "invalid Vproc value: %d\n", pre_vproc);
++ return pre_vproc;
+ }
+- old_vsram = regulator_get_voltage(sram_reg);
+- if (old_vsram < 0) {
++ pre_vsram = regulator_get_voltage(sram_reg);
++ if (pre_vsram < 0) {
+ dev_err(info->cpu_dev,
+- "invalid Vsram value: %d\n", old_vsram);
+- return old_vsram;
++ "invalid Vsram value: %d\n", pre_vsram);
++ return pre_vsram;
+ }
+
+- vproc = max(new_vproc, old_vsram - MAX_VOLT_SHIFT);
++ vproc = max(new_vproc, pre_vsram - MAX_VOLT_SHIFT);
+ ret = regulator_set_voltage(proc_reg, vproc,
+ vproc + VOLT_TOL);
+ if (ret)
+@@ -180,8 +180,8 @@ static int mtk_cpufreq_voltage_tracking(
+ }
+
+ if (ret) {
+- regulator_set_voltage(proc_reg, old_vproc,
+- old_vproc);
++ regulator_set_voltage(proc_reg, pre_vproc,
++ pre_vproc);
+ return ret;
+ }
+ } while (vproc > new_vproc + VOLT_TOL ||
+@@ -209,16 +209,16 @@ static int mtk_cpufreq_set_target(struct
+ struct mtk_cpu_dvfs_info *info = policy->driver_data;
+ struct device *cpu_dev = info->cpu_dev;
+ struct dev_pm_opp *opp;
+- long freq_hz, old_freq_hz;
+- int vproc, old_vproc, inter_vproc, target_vproc, ret;
++ long freq_hz, pre_freq_hz;
++ int vproc, pre_vproc, inter_vproc, target_vproc, ret;
+
+ inter_vproc = info->intermediate_voltage;
+
+- old_freq_hz = clk_get_rate(cpu_clk);
+- old_vproc = regulator_get_voltage(info->proc_reg);
+- if (old_vproc < 0) {
+- dev_err(cpu_dev, "invalid Vproc value: %d\n", old_vproc);
+- return old_vproc;
++ pre_freq_hz = clk_get_rate(cpu_clk);
++ pre_vproc = regulator_get_voltage(info->proc_reg);
++ if (pre_vproc < 0) {
++ dev_err(cpu_dev, "invalid Vproc value: %d\n", pre_vproc);
++ return pre_vproc;
+ }
+
+ freq_hz = freq_table[index].frequency * 1000;
+@@ -237,12 +237,12 @@ static int mtk_cpufreq_set_target(struct
+ * current voltage, scale up voltage first.
+ */
+ target_vproc = (inter_vproc > vproc) ? inter_vproc : vproc;
+- if (old_vproc < target_vproc) {
++ if (pre_vproc < target_vproc) {
+ ret = mtk_cpufreq_set_voltage(info, target_vproc);
+ if (ret) {
+ dev_err(cpu_dev,
+ "cpu%d: failed to scale up voltage!\n", policy->cpu);
+- mtk_cpufreq_set_voltage(info, old_vproc);
++ mtk_cpufreq_set_voltage(info, pre_vproc);
+ return ret;
+ }
+ }
+@@ -252,7 +252,7 @@ static int mtk_cpufreq_set_target(struct
+ if (ret) {
+ dev_err(cpu_dev,
+ "cpu%d: failed to re-parent cpu clock!\n", policy->cpu);
+- mtk_cpufreq_set_voltage(info, old_vproc);
++ mtk_cpufreq_set_voltage(info, pre_vproc);
+ WARN_ON(1);
+ return ret;
+ }
+@@ -263,7 +263,7 @@ static int mtk_cpufreq_set_target(struct
+ dev_err(cpu_dev,
+ "cpu%d: failed to scale cpu clock rate!\n", policy->cpu);
+ clk_set_parent(cpu_clk, armpll);
+- mtk_cpufreq_set_voltage(info, old_vproc);
++ mtk_cpufreq_set_voltage(info, pre_vproc);
+ return ret;
+ }
+
+@@ -281,13 +281,13 @@ static int mtk_cpufreq_set_target(struct
+ * If the new voltage is lower than the intermediate voltage or the
+ * original voltage, scale down to the new voltage.
+ */
+- if (vproc < inter_vproc || vproc < old_vproc) {
++ if (vproc < inter_vproc || vproc < pre_vproc) {
+ ret = mtk_cpufreq_set_voltage(info, vproc);
+ if (ret) {
+ dev_err(cpu_dev,
+ "cpu%d: failed to scale down voltage!\n", policy->cpu);
+ clk_set_parent(cpu_clk, info->inter_clk);
+- clk_set_rate(armpll, old_freq_hz);
++ clk_set_rate(armpll, pre_freq_hz);
+ clk_set_parent(cpu_clk, armpll);
+ return ret;
+ }
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 15:19:18 +0000