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| author | Alexandros C. Couloumbis <alex@ozo.com> | 2010-11-10 16:23:42 +0000 |
|---|---|---|
| committer | Alexandros C. Couloumbis <alex@ozo.com> | 2010-11-10 16:23:42 +0000 |
| commit | 0c66bb9c5534b27bd4304ba4a65a3cc43fe77de5 (patch) | |
| tree | 2b1fddffd4b343074e5d02e8aa267ece51e44cab /target/linux/ar71xx/patches-2.6.37/110-usb-ehci-add-war-for-synopsys-hc-bug.patch | |
| parent | cec876fe24ae1883cf11d8a014238a95a618a2b6 (diff) | |
| download | mtk-20170518-0c66bb9c5534b27bd4304ba4a65a3cc43fe77de5.zip mtk-20170518-0c66bb9c5534b27bd4304ba4a65a3cc43fe77de5.tar.gz mtk-20170518-0c66bb9c5534b27bd4304ba4a65a3cc43fe77de5.tar.bz2 | |
linux/ar71xx: add preliminary 2.6.37 kernel support
SVN-Revision: 23944
Diffstat (limited to 'target/linux/ar71xx/patches-2.6.37/110-usb-ehci-add-war-for-synopsys-hc-bug.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-2.6.37/110-usb-ehci-add-war-for-synopsys-hc-bug.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.37/110-usb-ehci-add-war-for-synopsys-hc-bug.patch b/target/linux/ar71xx/patches-2.6.37/110-usb-ehci-add-war-for-synopsys-hc-bug.patch new file mode 100644 index 0000000..047239d --- /dev/null +++ b/target/linux/ar71xx/patches-2.6.37/110-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 +@@ -1193,6 +1193,9 @@ 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 +@@ -131,6 +131,7 @@ struct ehci_hcd { /* one per controlle + unsigned need_io_watchdog:1; + unsigned broken_periodic:1; + unsigned fs_i_thresh:1; /* Intel iso scheduling */ ++ unsigned has_synopsys_hc_bug:1; /* Synopsys HC */ + + /* required for usb32 quirk */ + #define OHCI_CTRL_HCFS (3 << 6) |