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authorGabor Juhos <juhosg@openwrt.org>2011-06-29 08:57:32 +0000
committerGabor Juhos <juhosg@openwrt.org>2011-06-29 08:57:32 +0000
commitf15a427a56e713cb637aeb84349ba3fe02cfe9e6 (patch)
tree0456ec1a1feb352bd0481fba9936533f72be8c4d /target/linux/ar71xx/patches-2.6.39/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
parent40dfb136e7b97de923312603916abbab42c49757 (diff)
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ar71xx: add 2.6.39 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27310 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-2.6.39/110-usb-ehci-add-war-for-synopsys-hc-bug.patch')
-rw-r--r--target/linux/ar71xx/patches-2.6.39/110-usb-ehci-add-war-for-synopsys-hc-bug.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.39/110-usb-ehci-add-war-for-synopsys-hc-bug.patch b/target/linux/ar71xx/patches-2.6.39/110-usb-ehci-add-war-for-synopsys-hc-bug.patch
new file mode 100644
index 0000000000..fb7edde054
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.39/110-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
+@@ -1183,6 +1183,9 @@ 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
+@@ -134,6 +134,7 @@ struct ehci_hcd { /* one per controlle
+ unsigned amd_pll_fix:1;
+ unsigned fs_i_thresh:1; /* Intel iso scheduling */
+ unsigned use_dummy_qh:1; /* AMD Frame List table quirk*/
++ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */
+
+ /* required for usb32 quirk */
+ #define OHCI_CTRL_HCFS (3 << 6)