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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/isp116x-hcd.c
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/isp116x-hcd.c')
-rw-r--r--drivers/usb/host/isp116x-hcd.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 35b3507ff401..c27417f5b9d8 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -277,7 +277,7 @@ static void preproc_atl_queue(struct isp116x *isp116x)
processed urbs.
*/
static void finish_request(struct isp116x *isp116x, struct isp116x_ep *ep,
- struct urb *urb)
+ struct urb *urb, int status)
__releases(isp116x->lock) __acquires(isp116x->lock)
{
unsigned i;
@@ -291,7 +291,7 @@ __releases(isp116x->lock) __acquires(isp116x->lock)
usb_hcd_unlink_urb_from_ep(isp116x_to_hcd(isp116x), urb);
spin_unlock(&isp116x->lock);
- usb_hcd_giveback_urb(isp116x_to_hcd(isp116x), urb);
+ usb_hcd_giveback_urb(isp116x_to_hcd(isp116x), urb, status);
spin_lock(&isp116x->lock);
/* take idle endpoints out of the schedule */
@@ -453,13 +453,8 @@ static void postproc_atl_queue(struct isp116x *isp116x)
}
done:
- if (status != -EINPROGRESS) {
- spin_lock(&urb->lock);
- urb->status = status;
- spin_unlock(&urb->lock);
- }
- if (urb->status != -EINPROGRESS || urb->unlinked)
- finish_request(isp116x, ep, urb);
+ if (status != -EINPROGRESS || urb->unlinked)
+ finish_request(isp116x, ep, urb, status);
}
}
@@ -853,7 +848,7 @@ static int isp116x_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
}
if (urb)
- finish_request(isp116x, ep, urb);
+ finish_request(isp116x, ep, urb, status);
done:
spin_unlock_irqrestore(&isp116x->lock, flags);
return rc;