linux-kernel - Re: [PATCH 1/3] platform: add common resource requesting and mapping helper

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Date:	Tue, 31 Jan 2012 22:20:00 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Barry Song <Barry.Song@....com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	workgroup.linux@....com, linux-mtd@...ts.infradead.org,
	Barry Song <Baohua.Song@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Erik Gilling <konkers@...gle.com>,
	Atsushi Nemoto <anemo@....ocn.ne.jp>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 1/3] platform: add common resource requesting and mapping helper

On Tue, Jan 31, 2012 at 11:00 AM, Barry Song <Barry.Song@....com> wrote:

> From: Barry Song <Baohua.Song@....com>
>
> this patch helps to move the common pattern from

Good idea!

> @@ -44,6 +44,7 @@ extern struct device platform_bus;
>
>  extern void arch_setup_pdev_archdata(struct platform_device *);
>  extern struct resource *platform_get_resource(struct platform_device *, unsigned int, unsigned int);
> +extern void __iomem *platform_devm_request_and_ioremap(struct platform_device *, unsigned int);

But don't you want a reverse call for the module remove() function?

Like:

extern void __iomem *platform_devm_iounmap_and_free(struct
platform_device *, unsigned int);

?

Yours,
Linus Walleij
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