openwrt-owl/target/linux/generic-2.4/patches/208-usb2_fix.patch

16 lines
633 B
Diff

diff -ur linux-2.4.30.dev/drivers/usb/host/ehci-q.c linux-tmp/drivers/usb/host/ehci-q.c
--- linux-2.4.30.dev/drivers/usb/host/ehci-q.c 2005-01-19 15:10:07.000000000 +0100
+++ linux-tmp/drivers/usb/host/ehci-q.c 2005-03-30 05:11:12.000000000 +0200
@@ -783,6 +765,11 @@
if (!(cmd & CMD_ASE)) {
/* in case a clear of CMD_ASE didn't take yet */
(void) handshake (&ehci->regs->status, STS_ASS, 0, 150);
+
+ /* force async head to be valid */
+ writel ((u32)ehci->async->qh_dma,
+ &ehci->regs->async_next);
+
cmd |= CMD_ASE | CMD_RUN;
writel (cmd, &ehci->regs->command);
ehci->hcd.state = USB_STATE_RUNNING;