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add fix for usb2 data corruption 

SVN-Revision: 1805
lede-17.01
Felix Fietkau 2005-08-30 22:40:51 +00:00
parent bc5d0f4c3c
commit dd9bc6cce0
1 changed files with 15 additions and 0 deletions
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15
openwrt/target/linux/linux-2.4/patches/generic/208-usb2_fix.patch Normal file
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@ -0,0 +1,15 @@
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;