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[1/2] media: dvbdev: export adapter's name and bus ID to DVB uevent variables

Message ID 22e1d85d8896681a3f3f9abdc323e634b49fa1fd.1708422122.git.mchehab@kernel.org
State New
Headers show
Series Add some uevent variables on DVB to support persistent names on udev | expand

Commit Message

Mauro Carvalho Chehab Feb. 20, 2024, 9:46 a.m. UTC
Add two new variables for uevent, helping udev to be able to setup
a persistent name for the device.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
---
 drivers/media/dvb-core/dvbdev.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 733d0bc4b4cc..01227c695cbd 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -1064,6 +1064,8 @@  static int dvb_uevent(const struct device *dev, struct kobj_uevent_env *env)
 {
 	const struct dvb_device *dvbdev = dev_get_drvdata(dev);
 
+	add_uevent_var(env, "DVB_ADAPTER_NAME=%s", dvbdev->adapter->name);
+	add_uevent_var(env, "DVB_ADAPTER_PDEV=%s", dev_name(dev->parent));
 	add_uevent_var(env, "DVB_ADAPTER_NUM=%d", dvbdev->adapter->num);
 	add_uevent_var(env, "DVB_DEVICE_TYPE=%s", dnames[dvbdev->type]);
 	add_uevent_var(env, "DVB_DEVICE_NUM=%d", dvbdev->id);