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authorWei Yongjun <weiyongjun1@huawei.com>2021-03-08 14:56:19 +0100
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2021-03-22 18:48:52 +0100
commitb5d9209d50838474fc1b2901d0e11bba59906428 (patch)
tree64146cffcf8e2759648422fe81cd81cc83c88222 /drivers
parentLinux 5.12-rc2 (diff)
downloadlinux-b5d9209d50838474fc1b2901d0e11bba59906428.tar.xz
linux-b5d9209d50838474fc1b2901d0e11bba59906428.zip
PCI: brcmstb: Fix error return code in brcm_pcie_probe()
Fix to return negative error code -ENODEV from the unsupported revision error handling case instead of 0, as done elsewhere in this function. Link: https://lore.kernel.org/r/20210308135619.19133-1-weiyongjun1@huawei.com Fixes: 0cdfaceb9889 ("PCI: brcmstb: support BCM4908 with external PERST# signal controller") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Krzysztof WilczyƄski <kw@linux.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/controller/pcie-brcmstb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index e330e6811f0b..69c999222cc8 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1296,6 +1296,7 @@ static int brcm_pcie_probe(struct platform_device *pdev)
pcie->hw_rev = readl(pcie->base + PCIE_MISC_REVISION);
if (pcie->type == BCM4908 && pcie->hw_rev >= BRCM_PCIE_HW_REV_3_20) {
dev_err(pcie->dev, "hardware revision with unsupported PERST# setup\n");
+ ret = -ENODEV;
goto fail;
}