linux-kernel - Re: [PATCH] ide-core: remove conditional compiling with MODULE in ide-core.c

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Date:	Sat, 02 Feb 2008 19:58:15 +0100
From:	Bodo Eggert <7eggert@....de>
To:	Denis Cheng <crquan@...il.com>, linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH] ide-core: remove conditional compiling with MODULE in ide-core.c

Denis Cheng <crquan@...il.com> wrote:

> use module_init/module_exit to replace the original cond-compiling, these
> macros were well designed to deal module/built-in compiling.
> 
> the original __setup with null string was invalid and not executed,
> __setup("", ide_setup);
> 
> however, with the current module_param mechanics, module parameters also can
> be input on the kernel command line, with this style:
> 
> ide-core.options="ide=nodma hdd=cdrom idebus=..."
> 
> so Documentation/kernel-parameters.txt also updated.

> --- a/Documentation/kernel-parameters.txt

> -     ide=            [HW] (E)IDE subsystem
> -                     Format: ide=nodma or ide=doubler or ide=reverse
> -                     See Documentation/ide.txt.
> -
> -     ide?=           [HW] (E)IDE subsystem
> -                     Format: ide?=noprobe or chipset specific parameters.
> -                     See Documentation/ide.txt.
> -
> -     idebus=         [HW] (E)IDE subsystem - VLB/PCI bus speed
> +     ide-core.options= [HW] (E)IDE subsystem
> +                     Format: ide-core.options="ide=nodma hdd=cdrom idebus=..."

IMO you should use separate options for things like nodma while you're at it.

¢¢

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