[PATCH -next v2] soc: aspeed-lpc-ctrl: Fix missing clk_disable_unprepare() on error in aspeed_lpc_ctrl_probe()
Yang Yingliang
yangyingliang at huawei.com
Tue Aug 24 18:55:22 AEST 2021
Move syscon_regmap_lookup_by_compatible() above the
devm_clk_get() to avoid missing clk_disable_unprepare().
Fixes: 2f9b25fa6682 ("soc: aspeed: Re-enable FWH2AHB on AST2600")
Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
---
drivers/soc/aspeed/aspeed-lpc-ctrl.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
index 6893c5ec3259..72771e018c42 100644
--- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
+++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
@@ -295,6 +295,16 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
return -ENODEV;
}
+ if (of_device_is_compatible(dev->of_node, "aspeed,ast2600-lpc-ctrl")) {
+ lpc_ctrl->fwh2ahb = true;
+
+ lpc_ctrl->scu = syscon_regmap_lookup_by_compatible("aspeed,ast2600-scu");
+ if (IS_ERR(lpc_ctrl->scu)) {
+ dev_err(dev, "couldn't find scu\n");
+ return PTR_ERR(lpc_ctrl->scu);
+ }
+ }
+
lpc_ctrl->clk = devm_clk_get(dev, NULL);
if (IS_ERR(lpc_ctrl->clk)) {
dev_err(dev, "couldn't get clock\n");
@@ -306,16 +316,6 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
return rc;
}
- if (of_device_is_compatible(dev->of_node, "aspeed,ast2600-lpc-ctrl")) {
- lpc_ctrl->fwh2ahb = true;
-
- lpc_ctrl->scu = syscon_regmap_lookup_by_compatible("aspeed,ast2600-scu");
- if (IS_ERR(lpc_ctrl->scu)) {
- dev_err(dev, "couldn't find scu\n");
- return PTR_ERR(lpc_ctrl->scu);
- }
- }
-
lpc_ctrl->miscdev.minor = MISC_DYNAMIC_MINOR;
lpc_ctrl->miscdev.name = DEVICE_NAME;
lpc_ctrl->miscdev.fops = &aspeed_lpc_ctrl_fops;
--
2.25.1
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