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| author | Gabor Juhos <juhosg@openwrt.org> | 2009-04-23 12:24:50 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2009-04-23 12:24:50 +0000 |
| commit | 41341cd261a6eba9364b9cb5045e93b9a458e0db (patch) | |
| tree | f33cbeac5f86af5512f40fcaf8b0839cff2c2589 /target/linux/ar71xx | |
| parent | 0d942bdd3a182cd9e8e04a8d18d5eed5854faba4 (diff) | |
| download | master-187ad058-41341cd261a6eba9364b9cb5045e93b9a458e0db.tar.gz master-187ad058-41341cd261a6eba9364b9cb5045e93b9a458e0db.tar.bz2 master-187ad058-41341cd261a6eba9364b9cb5045e93b9a458e0db.zip | |
[ar71xx] add a workaround for the Synopsys EHCI core
* http://www.mail-archive.com/linux-usb-devel@lists.sourceforge.net/msg45345.html
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15348 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx')
| -rw-r--r-- | target/linux/ar71xx/patches-2.6.28/110-usb-ehci-add-war-for-synopsys-hc-bug.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-2.6.28/110-usb-ehci-add-war-for-synopsys-hc-bug.patch b/target/linux/ar71xx/patches-2.6.28/110-usb-ehci-add-war-for-synopsys-hc-bug.patch new file mode 100644 index 0000000000..3aa2479dbe --- /dev/null +++ b/target/linux/ar71xx/patches-2.6.28/110-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 +@@ -1050,6 +1050,9 @@ 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 */ + |