diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2009-06-29 14:34:59 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-07-12 15:16:40 -0700 |
| commit | ec6d67e39f5638c792eb7490bf32586ccb9d8005 (patch) | |
| tree | c65d267dc4979edfd7695d6a2e55d44ab13a8d7e /drivers/usb | |
| parent | f092c240494f2d807401d93f95f683909b90af96 (diff) | |
| download | blackbird-op-linux-ec6d67e39f5638c792eb7490bf32586ccb9d8005.tar.gz blackbird-op-linux-ec6d67e39f5638c792eb7490bf32586ccb9d8005.zip | |
USB: EHCI: report actual_length for iso transfers
This patch (as1259b) makes ehci-hcd return the total number of bytes
transferred in urb->actual_length for Isochronous transfers.
Until now, the actual_length value was unaccountably left at 0.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 9d1babc7ff65..74f7f83b29ad 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1619,11 +1619,14 @@ itd_complete ( desc->status = -EPROTO; /* HC need not update length with this error */ - if (!(t & EHCI_ISOC_BABBLE)) - desc->actual_length = EHCI_ITD_LENGTH (t); + if (!(t & EHCI_ISOC_BABBLE)) { + desc->actual_length = EHCI_ITD_LENGTH(t); + urb->actual_length += desc->actual_length; + } } else if (likely ((t & EHCI_ISOC_ACTIVE) == 0)) { desc->status = 0; - desc->actual_length = EHCI_ITD_LENGTH (t); + desc->actual_length = EHCI_ITD_LENGTH(t); + urb->actual_length += desc->actual_length; } else { /* URB was too late */ desc->status = -EXDEV; @@ -2014,7 +2017,8 @@ sitd_complete ( desc->status = -EPROTO; } else { desc->status = 0; - desc->actual_length = desc->length - SITD_LENGTH (t); + desc->actual_length = desc->length - SITD_LENGTH(t); + urb->actual_length += desc->actual_length; } stream->depth -= stream->interval << 3; |
