diff options
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 86e8ee169c67..74ffd20edff8 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -94,8 +94,6 @@ static const char hcd_name [] = "ehci_hcd"; #define EHCI_TUNE_FLS 1 /* (medium) 512-frame schedule */ #define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */ -#define EHCI_SHRINK_JIFFIES (DIV_ROUND_UP(HZ, 200) + 1) - /* 5-ms async qh unlink delay */ /* Initial IRQ latency: faster than hw default */ static int log2_irq_thresh = 0; // 0 to 6 @@ -130,15 +128,6 @@ MODULE_PARM_DESC(hird, "host initiated resume duration, +1 for each 75us"); static void timer_action(struct ehci_hcd *ehci, enum ehci_timer_action action) { - /* Don't override timeouts which shrink or (later) disable - * the async ring; just the I/O watchdog. Note that if a - * SHRINK were pending, OFF would never be requested. - */ - if (timer_pending(&ehci->watchdog) - && (BIT(TIMER_ASYNC_SHRINK) - & ehci->actions)) - return; - if (!test_and_set_bit(action, &ehci->actions)) { unsigned long t; @@ -148,10 +137,6 @@ timer_action(struct ehci_hcd *ehci, enum ehci_timer_action action) return; t = EHCI_IO_JIFFIES; break; - /* case TIMER_ASYNC_SHRINK: */ - default: - t = EHCI_SHRINK_JIFFIES; - break; } mod_timer(&ehci->watchdog, t + jiffies); } @@ -307,6 +292,7 @@ static void ehci_quiesce (struct ehci_hcd *ehci) /*-------------------------------------------------------------------------*/ static void end_unlink_async(struct ehci_hcd *ehci); +static void unlink_empty_async(struct ehci_hcd *ehci); static void ehci_work(struct ehci_hcd *ehci); static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); |