[PATCH 4/4] usb: chipidea i.MX: add some delay after ulpi_setup

Sascha Hauer s.hauer at pengutronix.de
Tue Jan 7 05:18:36 EST 2014


On the pcm038 the ULPI phy is found correctly, but after
a power cycle the attached devices are not found. Adding
some delay fixes this.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/usb/imx/chipidea-imx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index dfaf590..a7ad734 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -47,6 +47,7 @@ static int imx_chipidea_port_init(void *drvdata)
 			if (ret)
 				dev_err(ci->dev, "ULPI setup failed with %s\n",
 						strerror(-ret));
+			mdelay(20);
 		} else {
 			dev_err(ci->dev, "no ULPI support available\n");
 			ret = -ENODEV;
-- 
1.8.5.2




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