linux-kernel - Re: Generic battery interface

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Message-ID: <20060730114612.GB4898@suse.cz>
Date:	Sun, 30 Jul 2006 13:46:12 +0200
From:	Vojtech Pavlik <vojtech@...e.cz>
To:	Greg KH <greg@...ah.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Shem Multinymous <multinymous@...il.com>,
	"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 Sun, Jul 30, 2006 at 01:55:00AM -0700, Greg KH wrote:

> No, ick, why would you want that?
> 
> Just look at the "dev" file in sysfs, which shows the major:minor
> number.
> 
> Or just look at the directory that you are in, and that's almost always
> the /dev node name.
> 
> For example, /sys/block/sda/sda1/ is /dev/sda1.
> /sys/class/tty/ttyS1 is /dev/ttyS1.
> 
> It's usually not that difficult to do the mapping :)
 
But it's wrong to rely on it API-wise. 

-- 
Vojtech Pavlik
Director SuSE Labs
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