External USB hubs seems to go into suspend, but never wakeup again.
Tested on an AT91SAM9G20
Signed-off-by: Jelle Martijn Kok <jmkok@xxxxxxxxx>
---
drivers/usb/host/ohci-at91.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index b38a228..af0566d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -361,7 +361,7 @@ static int ohci_at91_hub_control(struct usb_hcd
*hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_SUSPEND:
dev_dbg(hcd->self.controller, "SetPortFeat: SUSPEND\n");
- if (valid_port(wIndex)) {
+ if (valid_port(wIndex) && ohci_at91->sfr_regmap) {
ohci_at91_port_suspend(ohci_at91->sfr_regmap,
1);
return 0;
@@ -404,7 +404,7 @@ static int ohci_at91_hub_control(struct usb_hcd
*hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_SUSPEND:
dev_dbg(hcd->self.controller, "ClearPortFeature: SUSPEND\n");
- if (valid_port(wIndex)) {
+ if (valid_port(wIndex) && ohci_at91->sfr_regmap) {
ohci_at91_port_suspend(ohci_at91->sfr_regmap,
0);
return 0;
--
2.1.4
--
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