On Sun 2019-12-29 18:18:40, Greg Kroah-Hartman wrote: > From: Marcel Holtmann <marcel@xxxxxxxxxxxx> > > [ Upstream commit 8670b2b8b029a6650d133486be9d2ace146fd29a ] > > udev has a feature of creating /dev/<node> device-nodes if it finds > a devnode:<node> modalias. This allows for auto-loading of modules that > provide the node. This requires to use a statically allocated minor > number for misc character devices. > > However, rfkill uses dynamic minor numbers and prevents auto-loading > of the module. So allocate the next static misc minor number and use > it for rfkill. Is this good idea for stable? I don't see this major/minor allocated in devices.txt in mainline. Should something like this be added? Signed-off-by: Pavel Machek <pavel@xxxxxxx> diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt index 1c5d2281efc9..aa888a350df8 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -375,8 +375,9 @@ 239 = /dev/uhid User-space I/O driver support for HID subsystem 240 = /dev/userio Serio driver testing device 241 = /dev/vhost-vsock Host kernel driver for virtio vsock + 242 = /dev/rfkill Turning off radio transmissions (rfkill) - 242-254 Reserved for local use + 243-254 Reserved for local use 255 Reserved for MISC_DYNAMIC_MINOR 11 char Raw keyboard device (Linux/SPARC only) -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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