On 22-04-22, 15:52, Rex-BC Chen wrote:
> From: Jia-Wei Chang <jia-wei.chang@xxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxx>
> Signed-off-by: Rex-BC Chen <rex-bc.chen@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---
> drivers/cpufreq/mediatek-cpufreq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
> index 0b2ca0c8eddc..97ce96421241 100644
> --- a/drivers/cpufreq/mediatek-cpufreq.c
> +++ b/drivers/cpufreq/mediatek-cpufreq.c
> @@ -438,7 +438,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
> }
>
> /* 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 {
Applied. Thanks.
--
viresh
