The patch titled
Possible bug fix in ehci-hcd
has been added to the -mm tree. Its filename is
possible-bug-fix-in-ehci-hcd.patch
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------------------------------------------------------
Subject: Possible bug fix in ehci-hcd
From: Andy Shevchenko <andy@xxxxxxxxxxxx>
The Sequans company who produce WiMAX chips provides the USB driver and
kthp addon driver. However the USB device doesn't work correctly.
Here is more true hack for Sequans SQN11x0 based modem.
P.S. For more details, please, ask Sequans staff (see Signed-off-by lines).
Signed-off-by: Andy Shevchenko <andy@xxxxxxxxxxxx>
Signed-off-by: Gosne Stephane <sgosne@xxxxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-q.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff -puN drivers/usb/host/ehci-q.c~possible-bug-fix-in-ehci-hcd drivers/usb/host/ehci-q.c
--- a/drivers/usb/host/ehci-q.c~possible-bug-fix-in-ehci-hcd
+++ a/drivers/usb/host/ehci-q.c
@@ -756,8 +756,14 @@ qh_make (
info1 |= 1 << 14; /* toggle from qtd */
info2 |= (EHCI_TUNE_MULT_HS << 30);
} else if (type == PIPE_BULK) {
+ struct usb_device_descriptor *desc = &urb->dev->descriptor;
info1 |= (EHCI_TUNE_RL_HS << 28);
- info1 |= 512 << 16; /* usb2 fixed maxpacket */
+ /* Special hook for SQN11x0 */
+ if (desc->idVendor == 0x148e && desc->idProduct == 0x0900) {
+ info1 |= max_packet (maxp) << 16;
+ } else {
+ info1 |= 512 << 16; /* usb2 fixed maxpacket */
+ }
info2 |= (EHCI_TUNE_MULT_HS << 30);
} else { /* PIPE_INTERRUPT */
info1 |= max_packet (maxp) << 16;
_
Patches currently in -mm which might be from andy@xxxxxxxxxxxx are
origin.patch
usb-yet-another-dell-wireless-cdma-evdo-modem.patch
possible-bug-fix-in-ehci-hcd.patch
-
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