diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-09-14 16:56:22 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 07:06:12 +0400 |
| commit | cf9b475d5f9b58c23aca76b367f8318743d064e9 (patch) | |
| tree | 61ef85fc4ae421447b20f782c24882dd2873d5cf /drivers/media/radio/si470x | |
| parent | e69e34e9d964b66013dc09a112e6b46def0af1ef (diff) | |
| download | linux-cf9b475d5f9b58c23aca76b367f8318743d064e9.tar.xz | |
V4L/DVB: radio-si470x: remove the BKL lock used internally at the driver
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio/si470x')
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x-usb.c | 17 | ||||
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x.h | 1 |
2 files changed, 8 insertions, 10 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c index 5ec13e50a9f0..392e84fe90ef 100644 --- a/drivers/media/radio/si470x/radio-si470x-usb.c +++ b/drivers/media/radio/si470x/radio-si470x-usb.c @@ -517,7 +517,7 @@ int si470x_fops_open(struct file *file) struct si470x_device *radio = video_drvdata(file); int retval; - lock_kernel(); + mutex_lock(&radio->lock); radio->users++; retval = usb_autopm_get_interface(radio->intf); @@ -558,7 +558,7 @@ int si470x_fops_open(struct file *file) } done: - unlock_kernel(); + mutex_unlock(&radio->lock); return retval; } @@ -577,7 +577,7 @@ int si470x_fops_release(struct file *file) goto done; } - mutex_lock(&radio->disconnect_lock); + mutex_lock(&radio->lock); radio->users--; if (radio->users == 0) { /* shutdown interrupt handler */ @@ -591,7 +591,7 @@ int si470x_fops_release(struct file *file) video_unregister_device(radio->videodev); kfree(radio->int_in_buffer); kfree(radio->buffer); - mutex_unlock(&radio->disconnect_lock); + mutex_unlock(&radio->lock); kfree(radio); goto done; } @@ -603,7 +603,7 @@ int si470x_fops_release(struct file *file) retval = si470x_stop(radio); usb_autopm_put_interface(radio->intf); } - mutex_unlock(&radio->disconnect_lock); + mutex_unlock(&radio->lock); done: return retval; } @@ -661,7 +661,6 @@ static int si470x_usb_driver_probe(struct usb_interface *intf, radio->disconnected = 0; radio->usbdev = interface_to_usbdev(intf); radio->intf = intf; - mutex_init(&radio->disconnect_lock); mutex_init(&radio->lock); iface_desc = intf->cur_altsetting; @@ -830,7 +829,7 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) { struct si470x_device *radio = usb_get_intfdata(intf); - mutex_lock(&radio->disconnect_lock); + mutex_lock(&radio->lock); radio->disconnected = 1; usb_set_intfdata(intf, NULL); if (radio->users == 0) { @@ -843,10 +842,10 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) kfree(radio->int_in_buffer); video_unregister_device(radio->videodev); kfree(radio->buffer); - mutex_unlock(&radio->disconnect_lock); + mutex_unlock(&radio->lock); kfree(radio); } else { - mutex_unlock(&radio->disconnect_lock); + mutex_unlock(&radio->lock); } } diff --git a/drivers/media/radio/si470x/radio-si470x.h b/drivers/media/radio/si470x/radio-si470x.h index 3cd0a29cd6e7..d3d86ba6e547 100644 --- a/drivers/media/radio/si470x/radio-si470x.h +++ b/drivers/media/radio/si470x/radio-si470x.h @@ -177,7 +177,6 @@ struct si470x_device { /* driver management */ unsigned char disconnected; - struct mutex disconnect_lock; #endif #if defined(CONFIG_I2C_SI470X) || defined(CONFIG_I2C_SI470X_MODULE) |