diff options
| 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-hcd.h | |
| parent | 9347d51c52afcf1a77d2104f162cf8a085624c83 (diff) | |
| download | linux-4a00027dcb088bf90fa8fb14a7e8ba3506d78f22.tar.bz2 | |
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-hcd.h')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index e46d2b0203cb..340d6ed3e6e9 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -456,21 +456,6 @@ struct urb_priv { }; -/* - * Locking in uhci.c - * - * Almost everything relating to the hardware schedule and processing - * of URBs is protected by uhci->lock. urb->status is protected by - * urb->lock; that's the one exception. - * - * To prevent deadlocks, never lock uhci->lock while holding urb->lock. - * The safe order of locking is: - * - * #1 uhci->lock - * #2 urb->lock - */ - - /* Some special IDs */ #define PCI_VENDOR_ID_GENESYS 0x17a0 |