diff options
Diffstat (limited to 'drivers/usb/host/uhci-hcd.c')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index e87692c31be4..acd101caeeeb 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -60,6 +60,11 @@ Randy Dunlap, Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber, \ Alan Stern" #define DRIVER_DESC "USB Universal Host Controller Interface driver" +/* for flakey hardware, ignore overcurrent indicators */ +static int ignore_oc; +module_param(ignore_oc, bool, S_IRUGO); +MODULE_PARM_DESC(ignore_oc, "ignore hardware overcurrent indications"); + /* * debug = 0, no debugging messages * debug = 1, dump failed URBs except for stalls @@ -169,6 +174,11 @@ static int resume_detect_interrupts_are_broken(struct uhci_hcd *uhci) { int port; + /* If we have to ignore overcurrent events then almost by definition + * we can't depend on resume-detect interrupts. */ + if (ignore_oc) + return 1; + switch (to_pci_dev(uhci_dev(uhci))->vendor) { default: break; @@ -921,7 +931,8 @@ static int __init uhci_hcd_init(void) { int retval = -ENOMEM; - printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION "\n"); + printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION "%s\n", + ignore_oc ? ", overcurrent ignored" : ""); if (usb_disabled()) return -ENODEV; |