diff options
Diffstat (limited to 'drivers/usb/host/ehci.h')
| -rw-r--r-- | drivers/usb/host/ehci.h | 43 |
1 files changed, 9 insertions, 34 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index fb7054ccf4f..6cff195e1a3 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -87,6 +87,10 @@ struct ehci_hcd { /* one per controller */ int next_uframe; /* scan periodic, start here */ unsigned periodic_sched; /* periodic activity count */ + /* list of itds completed while clock_frame was still active */ + struct list_head cached_itd_list; + unsigned clock_frame; + /* per root hub port */ unsigned long reset_done [EHCI_MAX_ROOT_PORTS]; @@ -186,39 +190,7 @@ timer_action_done (struct ehci_hcd *ehci, enum ehci_timer_action action) clear_bit (action, &ehci->actions); } -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; - - switch (action) { - case TIMER_IO_WATCHDOG: - t = EHCI_IO_JIFFIES; - break; - case TIMER_ASYNC_OFF: - t = EHCI_ASYNC_JIFFIES; - break; - // case TIMER_ASYNC_SHRINK: - default: - /* add a jiffie since we synch against the - * 8 KHz uframe counter. - */ - t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1; - break; - } - mod_timer(&ehci->watchdog, t + jiffies); - } -} +static void free_cached_itd_list(struct ehci_hcd *ehci); /*-------------------------------------------------------------------------*/ @@ -281,7 +253,7 @@ struct ehci_qtd { /* * Now the following defines are not converted using the - * __constant_cpu_to_le32() macro anymore, since we have to support + * cpu_to_le32() macro anymore, since we have to support * "dynamic" switching between be and le support, so that the driver * can be used on one system with SoC EHCI controller using big-endian * descriptors as well as a normal little-endian PCI EHCI controller. @@ -370,6 +342,9 @@ struct ehci_qh { #define QH_STATE_UNLINK_WAIT 4 /* LINKED and on reclaim q */ #define QH_STATE_COMPLETING 5 /* don't touch token.HALT */ + u8 xacterrs; /* XactErr retry counter */ +#define QH_XACTERR_MAX 32 /* XactErr retry limit */ + /* periodic schedule info */ u8 usecs; /* intr bandwidth */ u8 gap_uf; /* uframes split/csplit gap */ |