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cpufreq: mediatek: fix error return code in mtk_cpu_dvfs_info_init()

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[ Upstream commit 72d67d6b3447303a441a8cedc34f7224b75f64b5 ]

If regulator_get_voltage() fails, it should return the error code in
mtk_cpu_dvfs_info_init().

Fixes: 0daa47325bae ("cpufreq: mediatek: Link CCI device to CPU")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2022-05-17 21:34:50 +08:00 committed by Greg Kroah-Hartman
parent c2eddfcafc
commit 6d90c0829f
1 changed files with 1 additions and 0 deletions
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drivers/cpufreq/mediatek-cpufreq.c
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@ -478,6 +478,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
if (info->soc_data->ccifreq_supported) {
info->vproc_on_boot = regulator_get_voltage(info->proc_reg);
if (info->vproc_on_boot < 0) {
ret = info->vproc_on_boot;
dev_err(info->cpu_dev,
"invalid Vproc value: %d\n", info->vproc_on_boot);
goto out_disable_inter_clock;