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| author | Andrew de Quincey <adq_dvb@lidskialf.net> | 2006-04-10 09:27:37 -0300 |
|---|---|---|
| committer | Andrew de Quincey <adq_dvb@lidskialf.net> | 2006-04-10 09:27:37 -0300 |
| commit | c3bf1b32148a59bc0a8e58c126d642236c7febc1 (patch) | |
| tree | f4932978021b49311d31c87e514a0a3c42135e84 /linux/drivers/media/dvb/dvb-core | |
| parent | e96f69c1735c817cc19e220cb84e0f339190cf1b (diff) | |
| download | mediapointer-dvb-s2-c3bf1b32148a59bc0a8e58c126d642236c7febc1.tar.gz mediapointer-dvb-s2-c3bf1b32148a59bc0a8e58c126d642236c7febc1.tar.bz2 | |
Add sysfs device links to dvb devices
From: Andrew de Quincey <adq_dvb@lidskialf.net>
Currently in /sys/class/dvb/dvbX.demuxY/ we have:
dev
uevent
With the patch, we have (for a PCI DVB device):
dev
device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:03:0d.0
uevent
So userspace tools can (finally) work out which physical device a DVB adapter
refers to. Previously you had to kinda look through dmesg and hope that it
hadn't been dumped out of the buffer. This makes debugging a lot easier if
the system has been up for a long time!
This is done by adding an extra 'struct device *' parameter to
dvb_register_adapter(). It will work with any kind of standard
linux 'device'. Additionally, if someone has an embedded system which does
things differently, they can simply supply 'NULL' and the behaviour will be
as before - the link will simply not appear.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Ack'd-by: Manu Abraham <manu@linuxtv.org>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Diffstat (limited to 'linux/drivers/media/dvb/dvb-core')
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dvbdev.c | 5 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dvbdev.h | 4 |
2 files changed, 6 insertions, 3 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dvbdev.c b/linux/drivers/media/dvb/dvb-core/dvbdev.c index 041ed7fd1..66d9ffdb4 100644 --- a/linux/drivers/media/dvb/dvb-core/dvbdev.c +++ b/linux/drivers/media/dvb/dvb-core/dvbdev.c @@ -247,7 +247,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, "dvb/adapter%d/%s%d", adap->num, dnames[type], id); class_device_create(dvb_class, NULL, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), - NULL, "dvb%d.%s%d", adap->num, dnames[type], id); + adap->device, "dvb%d.%s%d", adap->num, dnames[type], id); dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", adap->num, dnames[type], id, nums2minor(adap->num, type, id), @@ -296,7 +296,7 @@ skip: } -int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct module *module) +int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct module *module, struct device *device) { int num; @@ -317,6 +317,7 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct modu adap->num = num; adap->name = name; adap->module = module; + adap->device = device; list_add_tail (&adap->list_head, &dvb_adapter_list); diff --git a/linux/drivers/media/dvb/dvb-core/dvbdev.h b/linux/drivers/media/dvb/dvb-core/dvbdev.h index 9f5f984cc..9ec9cecf5 100644 --- a/linux/drivers/media/dvb/dvb-core/dvbdev.h +++ b/linux/drivers/media/dvb/dvb-core/dvbdev.h @@ -52,6 +52,8 @@ struct dvb_adapter { u8 proposed_mac [6]; void* priv; + struct device *device; + struct module *module; }; @@ -77,7 +79,7 @@ struct dvb_device { }; -extern int dvb_register_adapter (struct dvb_adapter *adap, const char *name, struct module *module); +extern int dvb_register_adapter (struct dvb_adapter *adap, const char *name, struct module *module, struct device *device); extern int dvb_unregister_adapter (struct dvb_adapter *adap); extern int dvb_register_device (struct dvb_adapter *adap, |