Merge branch 'master' of git://git.denx.de/u-boot-imx

[people/ms/u-boot.git] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 982f96e8b8ff242d7617389f5181abab4238b3fe..6eb38a4131f0ed83c905f21af4237b3bfbb2b5a8 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -25,6 +25,7 @@
 #include <usb.h>
 #include <asm/io.h>
 #include <malloc.h>
+#include <watchdog.h>
 
 #include "ehci.h"
 
@@ -229,7 +230,7 @@ static int ehci_reset(void)
        int ret = 0;
 
        cmd = ehci_readl(&hcor->or_usbcmd);
-       cmd |= CMD_RESET;
+       cmd = (cmd & ~CMD_RUN) | CMD_RESET;
        ehci_writel(&hcor->or_usbcmd, cmd);
        ret = handshake((uint32_t *)&hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);
        if (ret < 0) {
@@ -452,6 +453,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
                token = hc32_to_cpu(vtd->qt_token);
                if (!(token & 0x80))
                        break;
+               WATCHDOG_RESET();
        } while (get_timer(ts) < CONFIG_SYS_HZ);
 
        /* Disable async schedule. */
@@ -491,6 +493,8 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
                        break;
                default:
                        dev->status = USB_ST_CRC_ERR;
+                       if ((token & 0x40) == 0x40)
+                               dev->status |= USB_ST_STALLED;
                        break;
                }
                dev->act_len = length - ((token >> 16) & 0x7fff);