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

Jim Quinlan
2021-04-27T17:51:53Z

Check for failure of clk_prepare_enable() on device resume.

Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@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