On Sun, Jan 23, 2011 at 05:03:18AM +0000, Jacob Meuser wrote:
> NetBSD (where our usb stack came from) has a /dev/usb device node.
> this node exists primarily for reading usb events.  however, we
> do not create /dev/usb, which means we have no way to get the usb
> events.  usb events are device/driver attach/detachments.  we have
> hotplug(4) to get this info.
> 
> I don't see any reason to keep the usb event handling.
> 
> thoughts?  ok?
> 
> PS notice how some drivers only do one of attach and detach instead of
> both, and that some drivers don't do either ...

<snip>

> @@ -717,83 +630,6 @@ usbioctl(dev_t devt, u_long cmd, caddr_t
>       return (0);
>  }
>  
> -int
> -usbpoll(dev_t dev, int events, struct proc *p)
> -{
> -     int revents, mask, s;
> -
> -     if (minor(dev) == USB_DEV_MINOR) {
> -             revents = 0;
> -             mask = POLLIN | POLLRDNORM;
> -
> -             s = splusb();
> -             if (events & mask && usb_nevents > 0)
> -                     revents |= events & mask;
> -             if (revents == 0 && events & mask)
> -                     selrecord(p, &usb_selevent);
> -             splx(s);
> -
> -             return (revents);
> -     } else {
> -             return (POLLERR);
> -     }
> -}

sigh.  this is needed as well.  obviously.  sorry about that ...

-- 
jake...@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

Index: conf.h
===================================================================
RCS file: /cvs/src/sys/sys/conf.h,v
retrieving revision 1.109
diff -u -p conf.h
--- conf.h      8 Jan 2011 19:45:09 -0000       1.109
+++ conf.h      23 Jan 2011 05:25:32 -0000
@@ -396,7 +396,7 @@ extern struct cdevsw cdevsw[];
 #define        cdev_usb_init(c,n) { \
        dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
        (dev_type_write((*))) enodev, dev_init(c,n,ioctl), \
-       (dev_type_stop((*))) enodev, 0, dev_init(c,n,poll), \
+       (dev_type_stop((*))) enodev, 0, selfalse, \
        (dev_type_mmap((*))) enodev }
 
 /* open, close, write, ioctl */

Reply via email to