[PATCH] PCI/keystone: check return value of devm_phy_get with EPROBE_DEFER

From: Shawn Lin
Date: Sun Mar 06 2016 - 23:40:53 EST


If the return value of devm_phy_get is EPROBE_DEFER, we should
defer probing the driver.

Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---

drivers/pci/host/pci-keystone.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c
index 0aa81bd..42af6ac 100644
--- a/drivers/pci/host/pci-keystone.c
+++ b/drivers/pci/host/pci-keystone.c
@@ -363,6 +363,8 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
ret = phy_init(phy);
if (ret < 0)
return ret;
+ } else if (PTR_ERR(phy) == -EPROBE_DEFER) {
+ return PTR_ERR(phy);
}

/* index 2 is to read PCI DEVICE_ID */
--
2.3.7