diff options
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
-rw-r--r-- | drivers/usb/host/ehci-q.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index fe99895fb098..98ded66e8d3f 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c | |||
@@ -315,7 +315,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) | |||
315 | int stopped; | 315 | int stopped; |
316 | unsigned count = 0; | 316 | unsigned count = 0; |
317 | u8 state; | 317 | u8 state; |
318 | const __le32 halt = HALT_BIT(ehci); | ||
319 | struct ehci_qh_hw *hw = qh->hw; | 318 | struct ehci_qh_hw *hw = qh->hw; |
320 | 319 | ||
321 | if (unlikely (list_empty (&qh->qtd_list))) | 320 | if (unlikely (list_empty (&qh->qtd_list))) |
@@ -422,7 +421,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) | |||
422 | && !(qtd->hw_alt_next | 421 | && !(qtd->hw_alt_next |
423 | & EHCI_LIST_END(ehci))) { | 422 | & EHCI_LIST_END(ehci))) { |
424 | stopped = 1; | 423 | stopped = 1; |
425 | goto halt; | ||
426 | } | 424 | } |
427 | 425 | ||
428 | /* stop scanning when we reach qtds the hc is using */ | 426 | /* stop scanning when we reach qtds the hc is using */ |
@@ -456,16 +454,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) | |||
456 | */ | 454 | */ |
457 | ehci_clear_tt_buffer(ehci, qh, urb, token); | 455 | ehci_clear_tt_buffer(ehci, qh, urb, token); |
458 | } | 456 | } |
459 | |||
460 | /* force halt for unlinked or blocked qh, so we'll | ||
461 | * patch the qh later and so that completions can't | ||
462 | * activate it while we "know" it's stopped. | ||
463 | */ | ||
464 | if ((halt & hw->hw_token) == 0) { | ||
465 | halt: | ||
466 | hw->hw_token |= halt; | ||
467 | wmb (); | ||
468 | } | ||
469 | } | 457 | } |
470 | 458 | ||
471 | /* unless we already know the urb's status, collect qtd status | 459 | /* unless we already know the urb's status, collect qtd status |