[PATCH v1 1/4] PCI: brcmstb: Check return value of clk_prepare_enable()

Jim Quinlan jim2101024 at gmail.com
Tue Apr 27 18:51:36 BST 2021


Check for failure of clk_prepare_enable() on device resume.

Signed-off-by: Jim Quinlan <jim2101024 at gmail.com>
Acked-by: Florian Fainelli <f.fainelli at gmail.com>
Fixes: 8195b7417018 ("PCI: brcmstb: Add suspend and resume pm_ops")
---
 drivers/pci/controller/pcie-brcmstb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index e330e6811f0b..4ce1f3a60574 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1161,7 +1161,9 @@ static int brcm_pcie_resume(struct device *dev)
 	int ret;
 
 	base = pcie->base;
-	clk_prepare_enable(pcie->clk);
+	ret = clk_prepare_enable(pcie->clk);
+	if (ret)
+		return ret;
 
 	ret = brcm_phy_start(pcie);
 	if (ret)
-- 
2.17.1




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