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authoracoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-09 10:45:47 +0000
committeracoul <acoul@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-09 10:45:47 +0000
commita6f330452b814518443677c156ddf19f10d4c573 (patch)
tree57210ef7b52e8cae731bff7870d5a58b30befc7f /target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
parent631e642ab65f1af2d5cb9ca2184825bf8732fb0c (diff)
ar71xx: add kernel 2.6.35 preliminary support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21734 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch')
-rw-r--r--target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch b/target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
new file mode 100644
index 0000000000..076c39ea2b
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.35/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
@@ -0,0 +1,22 @@
+--- a/drivers/usb/host/ehci-q.c
++++ b/drivers/usb/host/ehci-q.c
+@@ -1194,6 +1194,9 @@ 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
+@@ -129,6 +129,7 @@ struct ehci_hcd { /* one per controlle
+ unsigned has_amcc_usb23:1;
+ unsigned need_io_watchdog:1;
+ unsigned broken_periodic:1;
++ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
+
+ /* required for usb32 quirk */
+ #define OHCI_CTRL_HCFS (3 << 6)