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 Wilczyński <kw@linux.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index e330e68..69c9992 100644 (file)
--- 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;
        }