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| author | Alan Stern <stern@rowland.harvard.edu> | 2007-08-24 15:42:24 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:55:23 -0700 |
| commit | 4a00027dcb088bf90fa8fb14a7e8ba3506d78f22 (patch) | |
| tree | 992b3dbda7b950b8906ac4751e43a28fd15e2e5d /drivers/usb/host/uhci-q.c | |
| parent | 9347d51c52afcf1a77d2104f162cf8a085624c83 (diff) | |
| download | kernel-common-4a00027dcb088bf90fa8fb14a7e8ba3506d78f22.tar.gz kernel-common-4a00027dcb088bf90fa8fb14a7e8ba3506d78f22.tar.bz2 kernel-common-4a00027dcb088bf90fa8fb14a7e8ba3506d78f22.zip | |
USB: Eliminate urb->status usage!
This patch (as979) removes the last vestiges of urb->status from the
host controller drivers and the root-hub emulator. Now the field
doesn't get set until just before the URB's completion routine is
called.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Brownell <david-b@pacbell.net>
CC: Olav Kongas <ok@artecdesign.ee>
CC: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
CC: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/uhci-q.c')
| -rw-r--r-- | drivers/usb/host/uhci-q.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index bab567266559..e5d60d5b105a 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1480,7 +1480,7 @@ done: * Finish unlinking an URB and give it back */ static void uhci_giveback_urb(struct uhci_hcd *uhci, struct uhci_qh *qh, - struct urb *urb) + struct urb *urb, int status) __releases(uhci->lock) __acquires(uhci->lock) { @@ -1520,7 +1520,7 @@ __acquires(uhci->lock) usb_hcd_unlink_urb_from_ep(uhci_to_hcd(uhci), urb); spin_unlock(&uhci->lock); - usb_hcd_giveback_urb(uhci_to_hcd(uhci), urb); + usb_hcd_giveback_urb(uhci_to_hcd(uhci), urb, status); spin_lock(&uhci->lock); /* If the queue is now empty, we can unlink the QH and give up its @@ -1556,10 +1556,6 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) if (status == -EINPROGRESS) break; - spin_lock(&urb->lock); - urb->status = status; - spin_unlock(&urb->lock); - /* Dequeued but completed URBs can't be given back unless * the QH is stopped or has finished unlinking. */ if (urb->unlinked) { @@ -1569,7 +1565,7 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) return; } - uhci_giveback_urb(uhci, qh, urb); + uhci_giveback_urb(uhci, qh, urb, status); if (status < 0) break; } @@ -1594,7 +1590,7 @@ restart: qh->is_stopped = 0; return; } - uhci_giveback_urb(uhci, qh, urb); + uhci_giveback_urb(uhci, qh, urb, 0); goto restart; } } |