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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-01-07 17:40:05 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-01-07 17:40:05 +0300 |
| commit | 123656d4cc8c946f578ebd18c2050f5251720428 (patch) | |
| tree | 3d5432eff034a3b9cfdc98b37e245abe5695342d /drivers/usb/host/ehci-q.c | |
| parent | a62c80e559809e6c7851ec04d30575e85ad6f6ed (diff) | |
| parent | 0aec63e67c69545ca757a73a66f5dcf05fa484bf (diff) | |
| download | linux-123656d4cc8c946f578ebd18c2050f5251720428.tar.xz | |
Merge with Linus' kernel.
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
| -rw-r--r-- | drivers/usb/host/ehci-q.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index bf03ec0d8ee2..9b13bf2fa98d 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -514,18 +514,18 @@ qh_urb_transaction ( qtd->urb = urb; qtd_prev->hw_next = QTD_NEXT (qtd->qtd_dma); list_add_tail (&qtd->qtd_list, head); + + /* for zero length DATA stages, STATUS is always IN */ + if (len == 0) + token |= (1 /* "in" */ << 8); } /* * data transfer stage: buffer setup */ - if (likely (len > 0)) - buf = urb->transfer_dma; - else - buf = 0; + buf = urb->transfer_dma; - /* for zero length DATA stages, STATUS is always IN */ - if (!buf || is_input) + if (is_input) token |= (1 /* "in" */ << 8); /* else it's already initted to "out" pid (0 << 8) */ @@ -572,7 +572,7 @@ qh_urb_transaction ( * control requests may need a terminating data "status" ack; * bulk ones may need a terminating short packet (zero length). */ - if (likely (buf != 0)) { + if (likely (urb->transfer_buffer_length != 0)) { int one_more = 0; if (usb_pipecontrol (urb->pipe)) { |