Initialize desc_before_addr, otherwise the USB core won't send the
first 64B Get Device Descriptor request in common/usb.c function
usb_setup_descriptor() . There are some USB devices which expect
this sequence and otherwise can misbehave.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Dinh Nguyen <dingu...@opensource.altera.com>
Cc: Tom Rini <tr...@konsulko.com>
---
drivers/usb/host/dwc2.c | 3 +++
1 file changed, 3 insertions(+)
---
NOTE: I checked this with TotalPhase Beagle USB480 and it does what it is
supposed to do now. It would be wonderful to get this into rc3.
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index b2f4bc6..559c43f 100644
--- a/drivers/usb/host/dwc2.c
+++ b/drivers/usb/host/dwc2.c
@@ -1182,6 +1182,9 @@ static int dwc2_usb_ofdata_to_platdata(struct udevice
*dev)
static int dwc2_usb_probe(struct udevice *dev)
{
struct dwc2_priv *priv = dev_get_priv(dev);
+ struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev);
+
+ bus_priv->desc_before_addr = true;
return dwc2_init_common(priv);
}
--
2.7.0
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