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path: root/drivers/soc/mediatek/mtk-pmic-wrap.c
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Diffstat (limited to 'drivers/soc/mediatek/mtk-pmic-wrap.c')
-rw-r--r--drivers/soc/mediatek/mtk-pmic-wrap.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index a5f10936fb9c..c80a04e1b2b1 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -1117,6 +1117,11 @@ static int pwrap_probe(struct platform_device *pdev)
const struct of_device_id *of_slave_id = NULL;
struct resource *res;
+ if (!of_id) {
+ dev_err(&pdev->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
+
if (pdev->dev.of_node->child)
of_slave_id = of_match_node(of_slave_match_tbl,
pdev->dev.of_node->child);
@@ -1200,7 +1205,8 @@ static int pwrap_probe(struct platform_device *pdev)
if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_INIT_DONE0)) {
dev_dbg(wrp->dev, "initialization isn't finished\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_out2;
}
/* Initialize watchdog, may not be done by the bootloader */
@@ -1220,8 +1226,10 @@ static int pwrap_probe(struct platform_device *pdev)
goto err_out2;
wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, &pwrap_regmap_config);
- if (IS_ERR(wrp->regmap))
- return PTR_ERR(wrp->regmap);
+ if (IS_ERR(wrp->regmap)) {
+ ret = PTR_ERR(wrp->regmap);
+ goto err_out2;
+ }
ret = of_platform_populate(np, NULL, NULL, wrp->dev);
if (ret) {