diff options
Diffstat (limited to 'drivers/usb/host/ehci.h')
| -rw-r--r-- | drivers/usb/host/ehci.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bbc3082a73d..6aac39f50e0 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -58,7 +58,6 @@ struct ehci_hcd { /* one per controller */ /* async schedule support */ struct ehci_qh *async; struct ehci_qh *reclaim; - unsigned reclaim_ready : 1; unsigned scanning : 1; /* periodic schedule support */ @@ -81,6 +80,7 @@ struct ehci_hcd { /* one per controller */ struct dma_pool *itd_pool; /* itd per iso urb */ struct dma_pool *sitd_pool; /* sitd per split iso urb */ + struct timer_list iaa_watchdog; struct timer_list watchdog; unsigned long actions; unsigned stamp; @@ -114,9 +114,21 @@ static inline struct usb_hcd *ehci_to_hcd (struct ehci_hcd *ehci) } +static inline void +iaa_watchdog_start (struct ehci_hcd *ehci) +{ + WARN_ON(timer_pending(&ehci->iaa_watchdog)); + mod_timer (&ehci->iaa_watchdog, + jiffies + msecs_to_jiffies(EHCI_IAA_MSECS)); +} + +static inline void iaa_watchdog_done (struct ehci_hcd *ehci) +{ + del_timer (&ehci->iaa_watchdog); +} + enum ehci_timer_action { TIMER_IO_WATCHDOG, - TIMER_IAA_WATCHDOG, TIMER_ASYNC_SHRINK, TIMER_ASYNC_OFF, }; @@ -134,9 +146,6 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) unsigned long t; switch (action) { - case TIMER_IAA_WATCHDOG: - t = EHCI_IAA_JIFFIES; - break; case TIMER_IO_WATCHDOG: t = EHCI_IO_JIFFIES; break; @@ -153,8 +162,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) // async queue SHRINK often precedes IAA. while it's ready // to go OFF neither can matter, and afterwards the IO // watchdog stops unless there's still periodic traffic. - if (action != TIMER_IAA_WATCHDOG - && t > ehci->watchdog.expires + if (time_before_eq(t, ehci->watchdog.expires) && timer_pending (&ehci->watchdog)) return; mod_timer (&ehci->watchdog, t); |