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From: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	Dan Carpenter <dan.carpenter@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Hyunwoo Kim <imv4bel@gmail.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Zhipeng Lu <alexious@zju.edu.cn>,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org
Subject: [PATCH 1/2] media: dvbdev: export adapter's name and bus ID to DVB uevent variables
Date: Tue, 20 Feb 2024 10:46:01 +0100	[thread overview]
Message-ID: <22e1d85d8896681a3f3f9abdc323e634b49fa1fd.1708422122.git.mchehab@kernel.org> (raw)
In-Reply-To: <cover.1708422122.git.mchehab@kernel.org>

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(+)

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);
-- 
2.43.0


  reply	other threads:[~2024-02-20  9:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-20  9:46 [PATCH 0/2] Add some uevent variables on DVB to support persistent names on udev Mauro Carvalho Chehab
2024-02-20  9:46 ` Mauro Carvalho Chehab [this message]
2024-02-26  8:41   ` [PATCH 1/2] media: dvbdev: export adapter's name and bus ID to DVB uevent variables Hans Verkuil
2024-02-20  9:46 ` [PATCH 2/2] em28xx-dvb: fix DVB adapter device name Mauro Carvalho Chehab
2024-02-26  9:03   ` Hans Verkuil

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