target/linux/mediatek/patches-5.15/350-16-cpufreq-mediatek-fix-error-return-code-in-mtk_cpu_dv.patch

   1 From dd1174c21dacacd6c0129c1dabc5decad35c02c2 Mon Sep 17 00:00:00 2001
   2 From: Yang Yingliang <yangyingliang@huawei.com>
   3 Date: Tue, 17 May 2022 21:34:50 +0800
   4 Subject: [PATCH 16/21] cpufreq: mediatek: fix error return code in
   5  mtk_cpu_dvfs_info_init()
   6
   7 If regulator_get_voltage() fails, it should return the error code in
   8 mtk_cpu_dvfs_info_init().
   9
  10 Fixes: 0daa47325bae ("cpufreq: mediatek: Link CCI device to CPU")
  11 Reported-by: Hulk Robot <hulkci@huawei.com>
  12 Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
  13 Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  14 Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
  15 Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
  16 ---
  17  drivers/cpufreq/mediatek-cpufreq.c | 1 +
  18  1 file changed, 1 insertion(+)
  19
  20 --- a/drivers/cpufreq/mediatek-cpufreq.c
  21 +++ b/drivers/cpufreq/mediatek-cpufreq.c
  22 @@ -478,6 +478,7 @@ static int mtk_cpu_dvfs_info_init(struct
  23         if (info->soc_data->ccifreq_supported) {
  24                 info->vproc_on_boot = regulator_get_voltage(info->proc_reg);
  25                 if (info->vproc_on_boot < 0) {
  26 +                       ret = info->vproc_on_boot;
  27                         dev_err(info->cpu_dev,
  28                                 "invalid Vproc value: %d\n", info->vproc_on_boot);
  29                         goto out_disable_inter_clock;