[PATCH v3 6/6] PCI: brcmstb: Check return value of clk_prepare_enable()
Jim Quinlan
jim2101024 at gmail.com
Fri Mar 26 19:19:04 GMT 2021
The check was missing on PCIe 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 | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 2d9288399014..f6d9d785b301 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1396,7 +1396,9 @@ 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_set_regulators(pcie, TURN_ON);
if (ret)
@@ -1535,7 +1537,9 @@ static int brcm_pcie_probe(struct platform_device *pdev)
ret = brcm_pcie_get_regulators(pcie);
if (ret) {
- dev_err(pcie->dev, "failed to get regulators (err=%d)\n", ret);
+ pcie->num_supplies = 0;
+ if (ret != -EPROBE_DEFER)
+ dev_err(pcie->dev, "failed to get regulators (err=%d)\n", ret);
goto fail;
}
--
2.17.1
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