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openwrt-xburst/target/linux/ar71xx/patches-2.6.28/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
juhosg 538953ede2 [ar71xx] refresh patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15630 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-05-05 20:26:58 +00:00

23 lines
672 B
Diff

--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1082,6 +1082,9 @@ static void end_unlink_async (struct ehc
ehci->reclaim = NULL;
start_unlink_async (ehci, next);
}
+
+ if (ehci->has_synopsys_hc_bug)
+ writel((u32)ehci->async->qh_dma, &ehci->regs->async_next);
}
/* makes sure the async qh will become idle */
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -124,6 +124,7 @@ struct ehci_hcd { /* one per controlle
unsigned has_fsl_port_bug:1; /* FreeScale */
unsigned big_endian_mmio:1;
unsigned big_endian_desc:1;
+ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
u8 sbrn; /* packed release number */