The 'linkup' variable would always increment by one whether the link status is true or not. Therefore, this patch fixes the return value in mtk_pcie_parse_and_add_res() and removes unnecessary 'linkup' variable. Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> --- drivers/pci/host/pcie-mediatek.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c index 8ec8fa8..3baafa8 100644 --- a/drivers/pci/host/pcie-mediatek.c +++ b/drivers/pci/host/pcie-mediatek.c @@ -373,7 +373,7 @@ static int mtk_pcie_parse_and_add_res(struct mtk_pcie *pcie) struct of_pci_range_parser parser; struct of_pci_range range; struct resource res; - int err, linkup = 0; + int err; /* parse shared resources */ err = mtk_pcie_handle_shared_resource(pcie); @@ -444,11 +444,11 @@ static int mtk_pcie_parse_and_add_res(struct mtk_pcie *pcie) /* enable each port, and then check link status */ err = mtk_pcie_enable_ports(port); - if (!err) - linkup++; + if (err) + return err; } - return !linkup; + return 0; } static int mtk_pcie_request_resources(struct mtk_pcie *pcie) -- 1.9.1
