diff options
| author | Mike Isely <isely@pobox.com> | 2008-02-09 15:44:30 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:09:46 -0300 |
| commit | 891d99efc5be16d2762bdbb9d0486f7250990eee (patch) | |
| tree | 42bf20210b0c44a43943b90acb8edae50f7ce4e2 | |
| parent | a36416d0a70899d3724d2e69e378062e06252a41 (diff) | |
V4L/DVB (7689): pvrusb2-dvb: Rework module tear-down
Rather than making an explicit call to tear down the pvrusb2-dvb
module, use the callback in the pvr2_channel structure. This has the
advantage that now tear-down only happens when it makes sense. The
previous implementation had scenarios where it was possible for the
tear-down call to happen without a prior initialization.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-dvb.c | 31 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-dvb.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-main.c | 3 |
3 files changed, 19 insertions, 17 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-dvb.c b/drivers/media/video/pvrusb2/pvrusb2-dvb.c index ab608412b41e..38077b2c5282 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-dvb.c +++ b/drivers/media/video/pvrusb2/pvrusb2-dvb.c @@ -386,30 +386,37 @@ static int pvr2_dvb_frontend_exit(struct pvr2_dvb_adapter *adap) return 0; } +static void pvr2_dvb_done(struct pvr2_dvb_adapter *adap) +{ + pvr2_dvb_stream_end(adap); + pvr2_dvb_frontend_exit(adap); + pvr2_dvb_adapter_exit(adap); + pvr2_channel_done(&adap->channel); +} + +static void pvr2_dvb_internal_check(struct pvr2_channel *chp) +{ + struct pvr2_dvb_adapter *adap; + adap = container_of(chp, struct pvr2_dvb_adapter, channel); + if (!adap->channel.mc_head->disconnect_flag) return; + pvr2_dvb_done(adap); +} + int pvr2_dvb_init(struct pvr2_context *pvr) { int ret = 0; struct pvr2_dvb_adapter *adap; adap = &pvr->hdw->dvb; - adap->init = !0; pvr2_channel_init(&adap->channel, pvr); + adap->channel.check_func = pvr2_dvb_internal_check; init_waitqueue_head(&adap->buffer_wait_data); mutex_init(&pvr->hdw->dvb.lock); ret = pvr2_dvb_adapter_init(&pvr->hdw->dvb); if (ret < 0) goto fail; ret = pvr2_dvb_frontend_init(&pvr->hdw->dvb); + return ret; fail: + pvr2_channel_done(&adap->channel); return ret; } -int pvr2_dvb_exit(struct pvr2_context *pvr) -{ - struct pvr2_dvb_adapter *adap; - adap = &pvr->hdw->dvb; - if (!adap->init) return 0; - pvr2_dvb_stream_end(adap); - pvr2_dvb_frontend_exit(adap); - pvr2_dvb_adapter_exit(adap); - pvr2_channel_done(&adap->channel); - return 0; -} diff --git a/drivers/media/video/pvrusb2/pvrusb2-dvb.h b/drivers/media/video/pvrusb2/pvrusb2-dvb.h index 651324ffab3d..1326f6f455a6 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-dvb.h +++ b/drivers/media/video/pvrusb2/pvrusb2-dvb.h @@ -27,7 +27,6 @@ struct pvr2_dvb_adapter { unsigned int digital_up:1; unsigned int stream_run:1; - unsigned int init:1; wait_queue_head_t buffer_wait_data; char *buffer_storage[PVR2_DVB_BUFFER_COUNT]; @@ -39,6 +38,5 @@ struct pvr2_dvb_props { }; int pvr2_dvb_init(struct pvr2_context *pvr); -int pvr2_dvb_exit(struct pvr2_context *pvr); #endif /* __PVRUSB2_DVB_H__ */ diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c index 68f4a7480737..42b4c8d5a1ed 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-main.c +++ b/drivers/media/video/pvrusb2/pvrusb2-main.c @@ -99,9 +99,6 @@ static void pvr_disconnect(struct usb_interface *intf) pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr); -#ifdef CONFIG_VIDEO_PVRUSB2_DVB - pvr2_dvb_exit(pvr); -#endif usb_set_intfdata (intf, NULL); pvr2_context_disconnect(pvr); |