OMAP:MUSB: Fixes the TT programming.
Fixes enumeration failures when a USB device attached to a LS hub is
connected to OMAP EVM via HS hub. This is fixed by correctly
programming hub address register in enqueue path.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 8b4be01..fcd72b5 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1873,7 +1873,11 @@
/* set up tt info if needed */
if (urb->dev->tt) {
qh->h_port_reg = (u8) urb->dev->ttport;
- qh->h_addr_reg |= 0x80;
+ if (urb->dev->tt->hub)
+ qh->h_addr_reg =
+ (u8) urb->dev->tt->hub->devnum;
+ if (urb->dev->tt->multi)
+ qh->h_addr_reg |= 0x80;
}
}
}