From: Jiasheng Jiang jiasheng@iscas.ac.cn
stable inclusion from stable-v5.10.94 commit d491a2c2cf96f9f3d855cf0bcd807d48ccb98e81 bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 9de2b9286a6dd16966959b3cb34fc2ddfd39213e ]
Yes, you are right and now the return code depending on the init_clks().
Fixes: 6078c651947a ("soc: mediatek: Refine scpsys to support multiple platform") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Link: https://lore.kernel.org/r/20211222015157.1025853-1-jiasheng@iscas.ac.cn Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/soc/mediatek/mtk-scpsys.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index ca75b14931ec..670cc82d17dc 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -411,12 +411,17 @@ static int scpsys_power_off(struct generic_pm_domain *genpd) return ret; }
-static void init_clks(struct platform_device *pdev, struct clk **clk) +static int init_clks(struct platform_device *pdev, struct clk **clk) { int i;
- for (i = CLK_NONE + 1; i < CLK_MAX; i++) + for (i = CLK_NONE + 1; i < CLK_MAX; i++) { clk[i] = devm_clk_get(&pdev->dev, clk_names[i]); + if (IS_ERR(clk[i])) + return PTR_ERR(clk[i]); + } + + return 0; }
static struct scp *init_scp(struct platform_device *pdev, @@ -426,7 +431,7 @@ static struct scp *init_scp(struct platform_device *pdev, { struct genpd_onecell_data *pd_data; struct resource *res; - int i, j; + int i, j, ret; struct scp *scp; struct clk *clk[CLK_MAX];
@@ -481,7 +486,9 @@ static struct scp *init_scp(struct platform_device *pdev,
pd_data->num_domains = num;
- init_clks(pdev, clk); + ret = init_clks(pdev, clk); + if (ret) + return ERR_PTR(ret);
for (i = 0; i < num; i++) { struct scp_domain *scpd = &scp->domains[i];