diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15/350-07-cpufreq-mediatek-Make-sram-regulator-optional.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/350-07-cpufreq-mediatek-Make-sram-regulator-optional.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/350-07-cpufreq-mediatek-Make-sram-regulator-optional.patch b/target/linux/mediatek/patches-5.15/350-07-cpufreq-mediatek-Make-sram-regulator-optional.patch new file mode 100644 index 0000000000..4b74873b15 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/350-07-cpufreq-mediatek-Make-sram-regulator-optional.patch @@ -0,0 +1,30 @@ +From f6114c2bc563a8050e9dc874ad87e1448865f031 Mon Sep 17 00:00:00 2001 +From: Jia-Wei Chang <jia-wei.chang@mediatek.com> +Date: Fri, 22 Apr 2022 15:52:33 +0800 +Subject: [PATCH 07/21] cpufreq: mediatek: Make sram regulator optional + +For some MediaTek SoCs, like MT8186, it's possible that the sram regulator +is shared between CPU and CCI. +We hope regulator framework can return error for error handling rather +than a dummy handler from regulator_get api. +Therefore, we choose to use regulator_get_optional. + +Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com> +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 | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/cpufreq/mediatek-cpufreq.c ++++ b/drivers/cpufreq/mediatek-cpufreq.c +@@ -354,7 +354,7 @@ static int mtk_cpu_dvfs_info_init(struct + } + + /* Both presence and absence of sram regulator are valid cases. */ +- info->sram_reg = regulator_get_exclusive(cpu_dev, "sram"); ++ info->sram_reg = regulator_get_optional(cpu_dev, "sram"); + if (IS_ERR(info->sram_reg)) + info->sram_reg = NULL; + else { |