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authorAlan Stern <stern@rowland.harvard.edu>2007-08-24 15:42:24 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 14:55:23 -0700
commit4a00027dcb088bf90fa8fb14a7e8ba3506d78f22 (patch)
tree992b3dbda7b950b8906ac4751e43a28fd15e2e5d /drivers/usb/host/uhci-hcd.h
parent9347d51c52afcf1a77d2104f162cf8a085624c83 (diff)
downloadlinux-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.h15
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