diff options
| author | Oliver Neukum <oliver@neukum.org> | 2009-12-28 00:52:17 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 14:53:39 -0800 |
| commit | 3a90f81872b00a7526c2bb1ed7664fe5af727f39 (patch) | |
| tree | e4c998177f53e374ceecb15fb549db654920d212 | |
| parent | c1284d7726c57c9d2bbc65cd08173fe7f9e637df (diff) | |
USB: usblp: Remove checks no longer needed with the new runtime PM system
Under the new system a device cannot be suspended against
the driver's wish. Therefore this condition no longer needs
to be checked for.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/class/usblp.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 9bc112ee7803..9d8ec729c263 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -163,7 +163,6 @@ struct usblp { unsigned char used; /* True if open */ unsigned char present; /* True if not disconnected */ unsigned char bidir; /* interface is bidirectional */ - unsigned char sleeping; /* interface is suspended */ unsigned char no_paper; /* Paper Out happened */ unsigned char *device_id_string; /* IEEE 1284 DEVICE ID string (ptr) */ /* first 2 bytes are (big-endian) length */ @@ -191,7 +190,6 @@ static void usblp_dump(struct usblp *usblp) { dbg("quirks=%d", usblp->quirks); dbg("used=%d", usblp->used); dbg("bidir=%d", usblp->bidir); - dbg("sleeping=%d", usblp->sleeping); dbg("device_id_string=\"%s\"", usblp->device_id_string ? usblp->device_id_string + 2 : @@ -376,7 +374,7 @@ static int usblp_check_status(struct usblp *usblp, int err) static int handle_bidir (struct usblp *usblp) { - if (usblp->bidir && usblp->used && !usblp->sleeping) { + if (usblp->bidir && usblp->used) { if (usblp_submit_read(usblp) < 0) return -EIO; } @@ -503,11 +501,6 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) goto done; } - if (usblp->sleeping) { - retval = -ENODEV; - goto done; - } - dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) ); @@ -914,8 +907,6 @@ static int usblp_wtest(struct usblp *usblp, int nonblock) return 0; } spin_unlock_irqrestore(&usblp->lock, flags); - if (usblp->sleeping) - return -ENODEV; if (nonblock) return -EAGAIN; return 1; @@ -968,8 +959,6 @@ static int usblp_rtest(struct usblp *usblp, int nonblock) return 0; } spin_unlock_irqrestore(&usblp->lock, flags); - if (usblp->sleeping) - return -ENODEV; if (nonblock) return -EAGAIN; return 1; @@ -1377,12 +1366,10 @@ static void usblp_disconnect(struct usb_interface *intf) mutex_unlock (&usblp_mutex); } -static int usblp_suspend (struct usb_interface *intf, pm_message_t message) +static int usblp_suspend(struct usb_interface *intf, pm_message_t message) { struct usblp *usblp = usb_get_intfdata (intf); - /* we take no more IO */ - usblp->sleeping = 1; usblp_unlink_urbs(usblp); #if 0 /* XXX Do we want this? What if someone is reading, should we fail? */ /* not strictly necessary, but just in case */ @@ -1393,12 +1380,11 @@ static int usblp_suspend (struct usb_interface *intf, pm_message_t message) return 0; } -static int usblp_resume (struct usb_interface *intf) +static int usblp_resume(struct usb_interface *intf) { struct usblp *usblp = usb_get_intfdata (intf); int r; - usblp->sleeping = 0; r = handle_bidir (usblp); return r; |