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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-02-13 10:08:17 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-02-26 09:52:26 -0300
commita3dfc6d925ca1bbd1a228253acb93f08657bad25 (patch)
treebb9d146b49bfa1fb5704cff6059c6bc0842d309d
parent496ccf92b9b5342b995a711829de76c320a916b6 (diff)
[media] dvb-usb: create one media_dev per adapter
Instead of assuming just one adapter, change the code to store one media controller per adapter. This works fine for dvb-usb, as, on all drivers here, it is not possible to write a media graph that would mix resources between the two different adapters. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/usb/dvb-usb/dvb-usb-dvb.c28
-rw-r--r--drivers/media/usb/dvb-usb/dvb-usb.h4
2 files changed, 12 insertions, 20 deletions
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
index d0b0f3071422..a7bc4535c58f 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c
@@ -94,11 +94,11 @@ static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
return dvb_usb_ctrl_feed(dvbdmxfeed,0);
}
-static void dvb_usb_media_device_register(struct dvb_usb_device *d)
+static void dvb_usb_media_device_register(struct dvb_usb_adapter *adap)
{
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
-
struct media_device *mdev;
+ struct dvb_usb_device *d = adap->dev;
struct usb_device *udev = d->udev;
int ret;
@@ -122,24 +122,21 @@ static void dvb_usb_media_device_register(struct dvb_usb_device *d)
kfree(mdev);
return;
}
-
- d->media_dev = mdev;
+ adap->dvb_adap.mdev = mdev;
dev_info(&d->udev->dev, "media controller created\n");
-
#endif
}
-static void dvb_usb_media_device_unregister(struct dvb_usb_device *d)
+static void dvb_usb_media_device_unregister(struct dvb_usb_adapter *adap)
{
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
- if (!d->media_dev)
+ if (!adap->dvb_adap.mdev)
return;
- media_device_unregister(d->media_dev);
- kfree(d->media_dev);
- d->media_dev = NULL;
-
+ media_device_unregister(adap->dvb_adap.mdev);
+ kfree(adap->dvb_adap.mdev);
+ adap->dvb_adap.mdev = NULL;
#endif
}
@@ -157,8 +154,7 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums)
adap->dvb_adap.priv = adap;
#ifdef CONFIG_MEDIA_CONTROLLER_DVB
- dvb_usb_media_device_register(adap->dev);
- adap->dvb_adap.mdev = adap->dev->media_dev;
+ dvb_usb_media_device_register(adap);
#endif
if (adap->dev->props.read_mac_address) {
@@ -208,7 +204,7 @@ err_net_init:
err_dmx_dev:
dvb_dmx_release(&adap->demux);
err_dmx:
- dvb_usb_media_device_unregister(adap->dev);
+ dvb_usb_media_device_unregister(adap);
dvb_unregister_adapter(&adap->dvb_adap);
err:
return ret;
@@ -222,7 +218,7 @@ int dvb_usb_adapter_dvb_exit(struct dvb_usb_adapter *adap)
adap->demux.dmx.close(&adap->demux.dmx);
dvb_dmxdev_release(&adap->dmxdev);
dvb_dmx_release(&adap->demux);
- dvb_usb_media_device_unregister(adap->dev);
+ dvb_usb_media_device_unregister(adap);
dvb_unregister_adapter(&adap->dvb_adap);
adap->state &= ~DVB_USB_ADAP_STATE_DVB;
}
@@ -324,7 +320,7 @@ int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
adap->num_frontends_initialized++;
}
- dvb_create_media_graph(adap->dev->media_dev);
+ dvb_create_media_graph(adap->dvb_adap.mdev);
return 0;
}
diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h
index 8d37f1e5ff23..ce4c4e3b58bb 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb.h
+++ b/drivers/media/usb/dvb-usb/dvb-usb.h
@@ -453,10 +453,6 @@ struct dvb_usb_device {
struct module *owner;
void *priv;
-
-#ifdef CONFIG_MEDIA_CONTROLLER_DVB
- struct media_device *media_dev;
-#endif
};
extern int dvb_usb_device_init(struct usb_interface *,

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