diff options
Diffstat (limited to 'drivers/usb/host/ehci.h')
| -rw-r--r-- | drivers/usb/host/ehci.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bf92d209a1a9..90245fd8bac4 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -97,6 +97,8 @@ struct ehci_hcd { /* one per controller */ dedicated to the companion controller */ unsigned long owned_ports; /* which ports are owned by the companion during a bus suspend */ + unsigned long port_c_suspend; /* which ports have + the change-suspend feature turned on */ /* per-HC memory pools (could be per-bus, but ...) */ struct dma_pool *qh_pool; /* qh per active urb */ @@ -112,7 +114,6 @@ struct ehci_hcd { /* one per controller */ u32 command; /* SILICON QUIRKS */ - unsigned is_tdi_rh_tt:1; /* TDI roothub with TT */ unsigned no_selective_suspend:1; unsigned has_fsl_port_bug:1; /* FreeScale */ unsigned big_endian_mmio:1; @@ -176,6 +177,15 @@ timer_action_done (struct ehci_hcd *ehci, enum ehci_timer_action action) static inline 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) | BIT(TIMER_ASYNC_OFF)) + & ehci->actions)) + return; + if (!test_and_set_bit (action, &ehci->actions)) { unsigned long t; @@ -191,15 +201,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) t = EHCI_SHRINK_JIFFIES; break; } - t += jiffies; - // all timings except IAA watchdog can be overridden. - // 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 (time_before_eq(t, ehci->watchdog.expires) - && timer_pending (&ehci->watchdog)) - return; - mod_timer (&ehci->watchdog, t); + mod_timer(&ehci->watchdog, t + jiffies); } } @@ -678,7 +680,7 @@ struct ehci_fstn { * needed (mostly in root hub code). */ -#define ehci_is_TDI(e) ((e)->is_tdi_rh_tt) +#define ehci_is_TDI(e) (ehci_to_hcd(e)->has_tt) /* Returns the speed of a device attached to a port on the root hub. */ static inline unsigned int |