From: Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>
Date: Fri, 16 Dec 2016 11:50:04 +0000 (+0100)
Subject: PCI: rcar: Return -ENODEV from host bridge probe when no card present
X-Git-Tag: v4.11-rc1~92^2~8^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e94888d23736cec51ba851f6e798d0eeb9ef5f41;p=karo-tx-linux.git

PCI: rcar: Return -ENODEV from host bridge probe when no card present

R-Car PCIe does not support hotplug so it is appropriate to treat the
absence of a PCIe card as an -ENODEV error.

Signed-off-by: Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>
[simon: updated changelog]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index aca85be101f8..0d9b96c3c49d 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -1165,7 +1165,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
 	err = hw_init_fn(pcie);
 	if (err) {
 		dev_info(dev, "PCIe link down\n");
-		err = 0;
+		err = -ENODEV;
 		goto err_pm_put;
 	}