diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/isp116x-hcd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 69e7433d9ce..1183988fdf5 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1501,6 +1501,12 @@ static int isp116x_reset(struct usb_hcd *hcd) } if (!clkrdy) { ERR("Clock not ready after 20ms\n"); + /* After sw_reset the clock won't report to be ready, if + H_WAKEUP pin is high. */ + if (!isp116x->board || !isp116x->board->reset) + ERR("The driver does not support hardware wakeup.\n"); + ERR("Please make sure that the H_WAKEUP pin " + "is pulled low!\n"); ret = -ENODEV; } return ret; @@ -1678,10 +1684,13 @@ static struct hc_driver isp116x_hc_driver = { static int __init_or_module isp116x_remove(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); - struct isp116x *isp116x = hcd_to_isp116x(hcd); + struct isp116x *isp116x; struct platform_device *pdev; struct resource *res; + if(!hcd) + return 0; + isp116x = hcd_to_isp116x(hcd); pdev = container_of(dev, struct platform_device, dev); remove_debug_file(isp116x); usb_remove_hcd(hcd); |