diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:23:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:23:21 -0800 |
| commit | c96e2c92072d3e78954c961f53d8c7352f7abbd7 (patch) | |
| tree | d844f26f926ff40e98e9eae0e11fd71acad81df4 /drivers/usb/class/usblp.c | |
| parent | f2aca47dc3c2d0c2d5dbd972558557e74232bbce (diff) | |
| parent | 64358164f5bfe5e11d4040c1eb674c29e1436ce5 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (70 commits)
USB: remove duplicate device id from zc0301
USB: remove duplicate device id from usb_storage
USB: remove duplicate device id from keyspan
USB: remove duplicate device id from ftdi_sio
USB: remove duplicate device id from visor
USB: a bit more coding style cleanup
usbcore: trivial whitespace fixes
usb-storage: use first bulk endpoints, not last
EHCI: fix interrupt-driven remote wakeup
USB: switch ehci-hcd to new polling scheme
USB: autosuspend for usb printer driver
USB Input: Added kernel module to support all GTCO CalComp USB InterWrite School products
USB: Sierra Wireless auto set D0
USB: usb ethernet gadget recognizes HUSB2DEV
USB: list atmel husb2_udc gadget controller
USB: gadgetfs AIO tweaks
USB: gadgetfs behaves better on userspace init bug
USB: gadgetfs race fix
USB: gadgetfs simplifications
USB: gadgetfs cleanups
...
Diffstat (limited to 'drivers/usb/class/usblp.c')
| -rw-r--r-- | drivers/usb/class/usblp.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 6377db1b446..63e50a1f139 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -398,6 +398,9 @@ static int usblp_open(struct inode *inode, struct file *file) retval = 0; #endif + retval = usb_autopm_get_interface(intf); + if (retval < 0) + goto out; usblp->used = 1; file->private_data = usblp; @@ -442,6 +445,7 @@ static int usblp_release(struct inode *inode, struct file *file) usblp->used = 0; if (usblp->present) { usblp_unlink_urbs(usblp); + usb_autopm_put_interface(usblp->intf); } else /* finish cleanup from disconnect */ usblp_cleanup (usblp); mutex_unlock (&usblp_mutex); @@ -1203,14 +1207,9 @@ static int usblp_suspend (struct usb_interface *intf, pm_message_t message) { struct usblp *usblp = usb_get_intfdata (intf); - /* this races against normal access and open */ - mutex_lock (&usblp_mutex); - mutex_lock (&usblp->mut); /* we take no more IO */ usblp->sleeping = 1; usblp_unlink_urbs(usblp); - mutex_unlock (&usblp->mut); - mutex_unlock (&usblp_mutex); return 0; } @@ -1220,15 +1219,9 @@ static int usblp_resume (struct usb_interface *intf) struct usblp *usblp = usb_get_intfdata (intf); int r; - mutex_lock (&usblp_mutex); - mutex_lock (&usblp->mut); - usblp->sleeping = 0; r = handle_bidir (usblp); - mutex_unlock (&usblp->mut); - mutex_unlock (&usblp_mutex); - return r; } @@ -1251,6 +1244,7 @@ static struct usb_driver usblp_driver = { .suspend = usblp_suspend, .resume = usblp_resume, .id_table = usblp_ids, + .supports_autosuspend = 1, }; static int __init usblp_init(void) |