USB: EHCI: use hrtimer for the IAA watchdog

This patch (as1581) replaces the iaa_watchdog kernel timer used by
ehci-hcd with an hrtimer event, in keeping with the general conversion
to high-res timers.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index d68764ef4476..7b35933d91a6 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1173,8 +1173,6 @@ static void end_unlink_async (struct ehci_hcd *ehci)
         struct ehci_qh          *qh = ehci->async_unlink;
         struct ehci_qh          *next;
 
-        iaa_watchdog_done(ehci);
-
         // qh->hw_next = cpu_to_hc32(qh->qh_dma);
         qh->qh_state = QH_STATE_IDLE;
         qh->qh_next.qh = NULL;
@@ -1243,7 +1241,7 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 
         ehci_writel(ehci, ehci->command | CMD_IAAD, &ehci->regs->command);
         (void)ehci_readl(ehci, &ehci->regs->command);
-        iaa_watchdog_start(ehci);
+        ehci_enable_event(ehci, EHCI_HRTIMER_IAA_WATCHDOG, true);
 }
 
 /*-------------------------------------------------------------------------*/