[Gta04-owner] [PATCH 1/2] drivers:power:twl4030-charger: fix problem with EPROBE_DEFER

[H. Nikolaus Schaller]

devm_usb_get_phy_by_node() may return -EPROBE_DEFER in which
case we should also defer probing of the twl4030 charger
instead of turing USB charging off (forever).

Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
---
 drivers/power/twl4030_charger.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/power/twl4030_charger.c b/drivers/power/twl4030_charger.c
index 423e886..859991f 100644
--- a/drivers/power/twl4030_charger.c
+++ b/drivers/power/twl4030_charger.c
@@ -1059,9 +1059,13 @@ static int twl4030_bci_probe(struct platform_device *pdev)
 
 		phynode = of_find_compatible_node(bci->dev->of_node->parent,
 						  NULL, "ti,twl4030-usb");
-		if (phynode)
+		if (phynode) {
 			bci->transceiver = devm_usb_get_phy_by_node(
 				bci->dev, phynode, &bci->usb_nb);
+			if (IS_ERR(bci->transceiver) &&
+				PTR_ERR(bci->transceiver) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;	/* PHY not ready */
+		}
 	}
 
 	/* Enable interrupts now. */
-- 
2.5.1