diff options
| author | Benoit Goby <benoit@android.com> | 2011-06-29 14:35:57 -0700 |
|---|---|---|
| committer | Manish Tuteja <mtuteja@nvidia.com> | 2011-07-13 07:56:59 -0700 |
| commit | aca370650ce7e96552a299d1b4c0952223b65365 (patch) | |
| tree | 4fa5f694c781ca5bd5cc693ae5d1b27e74b45998 | |
| parent | c10173d70affb7117284b57fb0870c90823a5880 (diff) | |
usb: host: ehci: Increase IAA watchdog
The IAA watchdog has been added to work around flaky controllers that
sometimes miss IAA interrupts. We don't need it on Tegra and it is known
to cause panics. Increase it to a large value to make sure it does not
fire unexpectedly.
Signed-off-by: Benoit Goby <benoit@android.com>
Reviewed-on: http://git-master/r/40065
(cherry picked from commit efd61c3725c8759b42550a97e9867e46a77dbf10)
Change-Id: Ia35b06cd9d8f7948ee33aa5793a63d6e929df7f4
Reviewed-on: http://git-master/r/40634
Tested-by: Cho-Che Cheng <jacheng@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 36ec66bb995e..c28fd0edec50 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -87,7 +87,7 @@ static const char hcd_name [] = "ehci_hcd"; */ #define EHCI_TUNE_FLS 1 /* (medium) 512-frame schedule */ -#define EHCI_IAA_MSECS 10 /* arbitrary */ +#define EHCI_IAA_MSECS 10000 /* arbitrary */ #define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */ #define EHCI_ASYNC_JIFFIES (HZ/20) /* async idle timeout */ #define EHCI_SHRINK_FRAMES 5 /* async qh unlink delay */ |