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| author | David Vrabel <david.vrabel@csr.com> | 2009-08-24 15:02:27 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 11:55:14 -0800 |
| commit | 294a39e7829dfd663e6c5c94cede0c6a0c13e37f (patch) | |
| tree | c9157a84b52aa64f29ce445e1e86a4f4523d8d39 /drivers/usb/host/whci/hcd.c | |
| parent | 4c1bd3d7a7d114dabd58f62f386ac4bfd268be1f (diff) | |
| download | linux-stable-294a39e7829dfd663e6c5c94cede0c6a0c13e37f.tar.gz linux-stable-294a39e7829dfd663e6c5c94cede0c6a0c13e37f.tar.bz2 linux-stable-294a39e7829dfd663e6c5c94cede0c6a0c13e37f.zip | |
USB: whci-hcd: support urbs with scatter-gather lists
Support urbs with scatter-gather lists by trying to fit sg list elements
into page lists in one or more qTDs. qTDs must end on a wMaxPacketSize
boundary so if this isn't possible the urb's sg list must be copied into
bounce buffers.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/whci/hcd.c')
| -rw-r--r-- | drivers/usb/host/whci/hcd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c index 687b622a1612..e0d3401285c8 100644 --- a/drivers/usb/host/whci/hcd.c +++ b/drivers/usb/host/whci/hcd.c @@ -250,6 +250,7 @@ static int whc_probe(struct umc_dev *umc) } usb_hcd->wireless = 1; + usb_hcd->self.sg_tablesize = 2048; /* somewhat arbitrary */ wusbhc = usb_hcd_to_wusbhc(usb_hcd); whc = wusbhc_to_whc(wusbhc); |