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-rw-r--r--drivers/usb/host/ehci-platform.c2
-rw-r--r--include/linux/usb/ehci_pdriver.h3
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 764e0100b6f..607adf9adb8 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -38,6 +38,8 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
if (retval)
return retval;
+ if (pdata->no_io_watchdog)
+ ehci->need_io_watchdog = 0;
if (pdata->port_power_on)
ehci_port_power(ehci, 1);
if (pdata->port_power_off)
diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h
index c9d09f8b7ff..67ac74bde6d 100644
--- a/include/linux/usb/ehci_pdriver.h
+++ b/include/linux/usb/ehci_pdriver.h
@@ -29,6 +29,8 @@
* initialization.
* @port_power_off: set to 1 if the controller needs to be powered down
* after initialization.
+ * @no_io_watchdog: set to 1 if the controller does not need the I/O
+ * watchdog to run.
*
* These are general configuration options for the EHCI controller. All of
* these options are activating more or less workarounds for some hardware.
@@ -41,6 +43,7 @@ struct usb_ehci_pdata {
unsigned big_endian_mmio:1;
unsigned port_power_on:1;
unsigned port_power_off:1;
+ unsigned no_io_watchdog:1;
/* Turn on all power and clocks */
int (*power_on)(struct platform_device *pdev);