Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8df0c87cc33646a19a59c0f93c4f9a330d5ca5eb Commit: 8df0c87cc33646a19a59c0f93c4f9a330d5ca5eb Parent: 5f12491c36acb94670d822a90c9295f6fd671c8a Author: Matthias Kaehlcke <[EMAIL PROTECTED]> AuthorDate: Sat Apr 28 20:00:18 2007 -0300 Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]> CommitDate: Wed May 9 10:12:31 2007 -0300
V4L/DVB (5572): Pvrusb2: use mutex instead of semaphore The pvrusb2 driver use a semaphore as mutex. use the mutex API instead of the (binary) semaphore. Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]> Signed-off-by: Mike Isely <[EMAIL PROTECTED]> Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]> --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index acf651e..1311891 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -83,7 +83,7 @@ static struct pvr2_string_table pvr2_client_lists[] = { }; static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL}; -static DECLARE_MUTEX(pvr2_unit_sem); +static DEFINE_MUTEX(pvr2_unit_mtx); static int ctlchg = 0; static int initusbreset = 1; @@ -2076,14 +2076,14 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw->ctl_read_urb = usb_alloc_urb(0,GFP_KERNEL); if (!hdw->ctl_read_urb) goto fail; - down(&pvr2_unit_sem); do { + mutex_lock(&pvr2_unit_mtx); do { for (idx = 0; idx < PVR_NUM; idx++) { if (unit_pointers[idx]) continue; hdw->unit_number = idx; unit_pointers[idx] = hdw; break; } - } while (0); up(&pvr2_unit_sem); + } while (0); mutex_unlock(&pvr2_unit_mtx); cnt1 = 0; cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"pvrusb2"); @@ -2186,13 +2186,13 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw) } pvr2_i2c_core_done(hdw); pvr2_hdw_remove_usb_stuff(hdw); - down(&pvr2_unit_sem); do { + mutex_lock(&pvr2_unit_mtx); do { if ((hdw->unit_number >= 0) && (hdw->unit_number < PVR_NUM) && (unit_pointers[hdw->unit_number] == hdw)) { unit_pointers[hdw->unit_number] = NULL; } - } while (0); up(&pvr2_unit_sem); + } while (0); mutex_unlock(&pvr2_unit_mtx); kfree(hdw->controls); kfree(hdw->mpeg_ctrl_info); kfree(hdw->std_defs); - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html