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@@ -110,6 +110,42 @@ MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications");
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/*-------------------------------------------------------------------------*/
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+static void
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+timer_action(struct ehci_hcd *ehci, enum ehci_timer_action action)
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+{
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+ /* Don't override timeouts which shrink or (later) disable
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+ * the async ring; just the I/O watchdog. Note that if a
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+ * SHRINK were pending, OFF would never be requested.
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+ */
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+ if (timer_pending(&ehci->watchdog)
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+ && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
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+ & ehci->actions))
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+ return;
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+
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+ if (!test_and_set_bit(action, &ehci->actions)) {
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+ unsigned long t;
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+
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+ switch (action) {
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+ case TIMER_IO_WATCHDOG:
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+ t = EHCI_IO_JIFFIES;
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+ break;
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+ case TIMER_ASYNC_OFF:
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+ t = EHCI_ASYNC_JIFFIES;
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+ break;
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+ /* case TIMER_ASYNC_SHRINK: */
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+ default:
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+ /* add a jiffie since we synch against the
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+ * 8 KHz uframe counter.
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+ */
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+ t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1;
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+ break;
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+ }
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+ mod_timer(&ehci->watchdog, t + jiffies);
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+ }
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+}
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+
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+/*-------------------------------------------------------------------------*/
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+
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/*
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* handshake - spin reading hc until handshake completes or fails
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* @ptr: address of hc register to be read
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