[PATCH 2/2] phy: stm32: defer probe for reset controller

[Amelie Delaunay]

Change stm32-usbphyc driver to defer its probe when the expected reset
control has its probe operation deferred.

Signed-off-by: Etienne Carriere <etienne.carriere at st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay at st.com>
---
 drivers/phy/st/phy-stm32-usbphyc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
index fe3085eec201..f3f582a3ccdb 100644
--- a/drivers/phy/st/phy-stm32-usbphyc.c
+++ b/drivers/phy/st/phy-stm32-usbphyc.c
@@ -342,6 +342,10 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
 		reset_control_assert(usbphyc->rst);
 		udelay(2);
 		reset_control_deassert(usbphyc->rst);
+	} else {
+		ret = PTR_ERR(usbphyc->rst);
+		if (ret == -EPROBE_DEFER)
+			goto clk_disable;
 	}
 
 	usbphyc->switch_setup = -EINVAL;
-- 
2.17.1