Re: [linux-usb-devel] [PATCH] simplify/change usb.usermap handling

[David Brownell <david-b@pacbell.net>]

Olaf Hering wrote:
> Hi,
> 
> the are are currently 3 kind of maps for device drivers

That is, the user-mode driver databases are built by combining
several categories of usbmap entries, for use by different kinds
of install processes.  The most significant are the "depmod"
style installations (/lib/modules/*/modules.usbmap), and the
user mode drivers (/etc/hotplug/usb/*.usermap, which is a
forth type you omitted).


> All have a 'complicated' syntax.

There's only one syntax, as exported from "depmod".
Unfortunately nobody contributed any tools to edit
them (in Python or whatever); I think they'd be a
help to developers.


I happen to think that adding a second syntax would
be a significant change ... one we'll need at some
point, like when we have a more formal way to install
use usb drivers, and worth taking time on.

Seems to me this syntax is weaker than the current
one (no versioning or class support), so you could
solve your USR modem problem without new syntax
(and all the support code + training).

- Dave



> --- etc/hotplug-beta/usb.simple_usermap	2003-06-08 21:45:58.000000000 +0200
> +++ etc/hotplug-beta/usb.simple_usermap	2003-06-08 21:45:42.000000000 +0200
> @@ -0,0 +1,10 @@
> +# syntax of this file:
> +# lines starting with # are ignored
> +# driver matching (values in hex):
> +# usb_module	idVendor	idProduct
> +# or
> +# usb/helperscript idVendor	idProduct
> +#
> +# U.S. Robotics (3Com) 0082  OfficeConnect Analog Modem
> +# does not like the usbmodules --device /proc/bus/usb/x/y
> +acm		0x04c1		0x0082






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