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| author | Paul Mundt <lethal@linux-sh.org> | 2010-08-04 13:52:34 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-08-04 13:52:34 +0900 |
| commit | baea90ea14b316e4599f000c713e446908a5aef6 (patch) | |
| tree | 17eae40f15832b466121d8f962028472c4568a13 /drivers/usb/host/xhci-ring.c | |
| parent | 36239c6704b71da7fb8e2a9429e159a84d0c5a3e (diff) | |
| parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) | |
| download | talos-op-linux-baea90ea14b316e4599f000c713e446908a5aef6.tar.gz talos-op-linux-baea90ea14b316e4599f000c713e446908a5aef6.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 94e6934edb09..bfc99a939455 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2380,16 +2380,19 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2, u32 field3, u32 field4, bool command_must_succeed) { int reserved_trbs = xhci->cmd_ring_reserved_trbs; + int ret; + if (!command_must_succeed) reserved_trbs++; - if (!room_on_ring(xhci, xhci->cmd_ring, reserved_trbs)) { - if (!in_interrupt()) - xhci_err(xhci, "ERR: No room for command on command ring\n"); + ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING, + reserved_trbs, GFP_ATOMIC); + if (ret < 0) { + xhci_err(xhci, "ERR: No room for command on command ring\n"); if (command_must_succeed) xhci_err(xhci, "ERR: Reserved TRB counting for " "unfailable commands failed.\n"); - return -ENOMEM; + return ret; } queue_trb(xhci, xhci->cmd_ring, false, false, field1, field2, field3, field4 | xhci->cmd_ring->cycle_state); |
