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usb: Add WATCHDOG_RESET call to polling loop 

This watchdog reset call is needed here, otherwise the lwmon5 board
(PPC440EPx based) will reset upon the "usb reset" command.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Stefan Roese 2010-11-26 15:43:28 +01:00 committed by Remy Bohmer
parent 222d6dff27
commit 67333f76b6
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/host/ehci-hcd.c
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@ -25,6 +25,7 @@
#include <usb.h> #include <usb.h>
#include <asm/io.h> #include <asm/io.h>
#include <malloc.h> #include <malloc.h>
#include <watchdog.h>
#include "ehci.h" #include "ehci.h"
@ -452,6 +453,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
token = hc32_to_cpu(vtd->qt_token); token = hc32_to_cpu(vtd->qt_token);
if (!(token & 0x80)) if (!(token & 0x80))
break; break;
WATCHDOG_RESET();
} while (get_timer(ts) < CONFIG_SYS_HZ); } while (get_timer(ts) < CONFIG_SYS_HZ);
/* Disable async schedule. */ /* Disable async schedule. */