diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2007-12-12 00:05:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-02 01:34:55 +0300 |
| commit | 07d29b63ef6b39963ab37818653284d861cf55af (patch) | |
| tree | 10460d9d13ad7284b644181af66ecdbf416cc5ba /drivers/usb/host/ehci-q.c | |
| parent | 2e2eb83ffd1aeb92bf8793eea892b5bc05a993ea (diff) | |
| download | linux-07d29b63ef6b39963ab37818653284d861cf55af.tar.xz | |
USB: EHCI: add separate IAA watchdog timer
This patch (as1028) was mostly written by David Brownell; I made only
a few changes (extra log info and a small bug fix -- which might
account for why David's version had to be reverted). It adds a new
watchdog timer to the ehci-hcd driver to be used exclusively for
detecting lost or missing IAA notifications.
Previously a shared timer had been used, which may have led to some
problems as reported by Christian Hoffmann.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
| -rw-r--r-- | drivers/usb/host/ehci-q.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index b10f39c047e9..853e5e6396a5 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -973,7 +973,7 @@ static void end_unlink_async (struct ehci_hcd *ehci) struct ehci_qh *qh = ehci->reclaim; struct ehci_qh *next; - timer_action_done (ehci, TIMER_IAA_WATCHDOG); + iaa_watchdog_done(ehci); // qh->hw_next = cpu_to_hc32(qh->qh_dma); qh->qh_state = QH_STATE_IDLE; @@ -983,7 +983,6 @@ static void end_unlink_async (struct ehci_hcd *ehci) /* other unlink(s) may be pending (in QH_STATE_UNLINK_WAIT) */ next = qh->reclaim; ehci->reclaim = next; - ehci->reclaim_ready = 0; qh->reclaim = NULL; qh_completions (ehci, qh); @@ -1059,11 +1058,10 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh) return; } - ehci->reclaim_ready = 0; cmd |= CMD_IAAD; ehci_writel(ehci, cmd, &ehci->regs->command); (void)ehci_readl(ehci, &ehci->regs->command); - timer_action (ehci, TIMER_IAA_WATCHDOG); + iaa_watchdog_start(ehci); } /*-------------------------------------------------------------------------*/ |