From: "Menon, Nishanth" <nm@ti.com>
To: Ameya Palande <ameya.palande@nokia.com>
Cc: "Ramirez Luna, Omar" <omar.ramirez@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"Chitriki Rudramuni, Deepak" <deepak.chitriki@ti.com>
Subject: Re: [PATCH] DSPBRIDGE: Get rid of driver_minor global variable
Date: Tue, 2 Feb 2010 12:05:53 +0200 [thread overview]
Message-ID: <4B67F901.7010602@ti.com> (raw)
In-Reply-To: <1265104997.3068.10.camel@chotu.research.nokia.com>
Ameya Palande said the following on 02/02/2010 12:03 PM:
> Hi Nishanth,
>
> On Mon, 2010-02-01 at 20:48 +0100, ext Menon, Nishanth wrote:
>> Ameya Palande said the following on 02/01/2010 08:18 PM:
>>> Since there is only 1 device there is no need of driver_minor global variable.
>> i am a little skeptical about this change - mainly coz, it might be a good idea for a userspace option
>> to be able to define what the minor id could be -> maybe an example could be /dev/mem which has a minor
>> id of 1, not 0. having a module_param might be better as such.. just my 2 cents..
>
> I do not agree with user space having control of defining minor id.
> I would like to rephrase this sentence as: userspace should have control
> of defining name (string) for the device file. I guess udev takes care
> of that already!
>
> Ideally userspace should just deal with device
> names: /dev/device1, /dev/device2 etc. Why it interprets (and that way
> creates a dependency on) major/minor number?
>
> I am in favor of saving 4 bytes and less global namespace pollution :)
>
> /dev/mem has minor id of 1 because it shares its major id with ramdisk.
>
> file: include/linux/major.h
>
> #define MEM_MAJOR 1
> #define RAMDISK_MAJOR 1
>
> Cheers,
> Ameya.
>
ok ok ok. you have me convinced :D
/me slinks away to the corner of the room and sits on the chair facing
the wall ;)
Regards,
Nishanth Menon
next prev parent reply other threads:[~2010-02-02 10:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-01 18:18 [PATCH] DSPBRIDGE: Get rid of driver_minor global variable Ameya Palande
2010-02-01 19:48 ` Menon, Nishanth
2010-02-02 10:03 ` Ameya Palande
2010-02-02 10:05 ` Menon, Nishanth [this message]
2010-02-06 1:58 ` Omar Ramirez Luna
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