linux-kernel - Re: Generic battery interface

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Message-ID: <d120d5000607280910t458fb6e0hdb81367b888a46db@mail.gmail.com>
Date:	Fri, 28 Jul 2006 12:10:43 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Shem Multinymous" <multinymous@...il.com>
Cc:	"Vojtech Pavlik" <vojtech@...e.cz>,
	"Brown, Len" <len.brown@...el.com>, "Pavel Machek" <pavel@...e.cz>,
	"Matthew Garrett" <mjg59@...f.ucam.org>,
	"kernel list" <linux-kernel@...r.kernel.org>,
	linux-thinkpad@...ux-thinkpad.org, linux-acpi@...r.kernel.org
Subject: Re: Generic battery interface

On 7/28/06, Shem Multinymous <multinymous@...il.com> wrote:
> On 7/28/06, Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> > 4) sysfs - all capabilities, IDs, etc for input devices exported there as well.
>
> Forgive my ignorance, but how do I conncet a sysfs directory with a /dev device?
> So far the only way I found is to compare /sys/whatever/dev with the
> major+minor of the dev file, which requires brute-force enumeration on
> at least one side.
>

Can't we have udev make a symlink when it creates device node? Kernel
can't provide this link since it knows nothing about naming. You could
either have a symlink from /sys/ or maybe /dev/enum/<name matching
print_dev_t() output>

-- 
Dmitry
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