diff options
| author | Alan Stern <stern@rowland.harvard.edu> | 2008-05-01 23:36:13 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-07-22 02:15:53 +0400 |
| commit | 7119e3c37fbf7c27adb5929f344c826ecb8c7859 (patch) | |
| tree | 7218b937cce2fa4b8a87ae1c682552381c906496 /drivers/usb | |
| parent | 7e4d6c387994294ac8198b624ee71e75de60dfd2 (diff) | |
| download | linux-7119e3c37fbf7c27adb5929f344c826ecb8c7859.tar.xz | |
usb-storage: change remaining semaphore to completion
This patch (as1090) converts the one remaining semaphore in
usb-storage into a completion.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 2 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.c | 8 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.h | 2 |
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 1caf3f7af349..043b60b2ad17 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -248,7 +248,7 @@ static int queuecommand(struct scsi_cmnd *srb, /* enqueue the command and wake up the control thread */ srb->scsi_done = done; us->srb = srb; - up(&(us->sema)); + complete(&us->cmnd_ready); return 0; } diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 78c0c7ee6b99..6b14f8d253f1 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -312,9 +312,9 @@ static int usb_stor_control_thread(void * __us) for(;;) { US_DEBUGP("*** thread sleeping.\n"); - if(down_interruptible(&us->sema)) + if (wait_for_completion_interruptible(&us->cmnd_ready)) break; - + US_DEBUGP("*** thread awakened.\n"); /* lock the device pointers */ @@ -825,7 +825,7 @@ static void usb_stor_release_resources(struct us_data *us) */ US_DEBUGP("-- sending exit command to thread\n"); set_bit(US_FLIDX_DISCONNECTING, &us->dflags); - up(&us->sema); + complete(&us->cmnd_ready); if (us->ctl_thread) kthread_stop(us->ctl_thread); @@ -975,7 +975,7 @@ static int storage_probe(struct usb_interface *intf, us = host_to_us(host); memset(us, 0, sizeof(struct us_data)); mutex_init(&(us->dev_mutex)); - init_MUTEX_LOCKED(&(us->sema)); + init_completion(&us->cmnd_ready); init_completion(&(us->notify)); init_waitqueue_head(&us->delay_wait); init_completion(&us->scanning_done); diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index b169132f021b..8da96da5875d 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -148,7 +148,7 @@ struct us_data { struct task_struct *ctl_thread; /* the control thread */ /* mutual exclusion and synchronization structures */ - struct semaphore sema; /* to sleep thread on */ + struct completion cmnd_ready; /* to sleep thread on */ struct completion notify; /* thread begin/end */ wait_queue_head_t delay_wait; /* wait during scan, reset */ struct completion scanning_done; /* wait for scan thread */ |