From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Tue, 7 Jan 2025 00:45:57 +0000 (+0900)
Subject: soc: spacemit: pm_domain: Add return -EINVAL in notifier_call
X-Git-Tag: accepted/tizen/unified/20250514.114144~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=510d6a16df3fe30156c907a55c29ea5a7aea4452;p=platform%2Fkernel%2Flinux-riscv.git

soc: spacemit: pm_domain: Add return -EINVAL in notifier_call

If action is not matched with anything, it needs to return with value.
lock/unlock will be a pair. Otherwise unlock is called twice.

Change-Id: I4eb3955572635257eb5bdf992c201c5efb509495
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/soc/spacemit/pm_domain/k1x-pm_domain.c b/drivers/soc/spacemit/pm_domain/k1x-pm_domain.c
index 49f4f6dd8345..b7c10cd2e556 100644
--- a/drivers/soc/spacemit/pm_domain/k1x-pm_domain.c
+++ b/drivers/soc/spacemit/pm_domain/k1x-pm_domain.c
@@ -531,6 +531,7 @@ static int spacemit_cpuidle_qos_notfier_call(struct notifier_block *nb, unsigned
 		default:
 			pr_warn("Invalidate pm qos value\n");
 			spin_unlock(&spacemit_apcr_qos_lock);
+			return -EINVAL;
 	}
 
 	regmap_read(gpmu->regmap[MPMU_REGMAP_INDEX], MPMU_APCR_PER_REG, &apcr_per);