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From: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Subodh Nijsure <sunijsur-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: devicetree-discuss-mnsaURCQ41sdnm+yROfE0A@public.gmane.org
Subject: Re: Where in dts file one should define IORESOURCES_(IO|MEM)?
Date: Mon, 13 Apr 2009 13:59:25 -0500	[thread overview]
Message-ID: <49E38B8D.8040105@freescale.com> (raw)
In-Reply-To: <003e01c9bc60$ab11c2c0$9e70150a-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>

Subodh Nijsure wrote:
> in drivers/ide/legacy/ide_platform.c there is code that looks like this.
>  
>  
>         res_base = platform_get_resource(pdev, IORESOURCE_IO, 0);
>         res_alt = platform_get_resource(pdev, IORESOURCE_IO, 1);
>  
>         if (!res_base || !res_alt) {
>                 res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>                 res_alt = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> If I want to specify IORESOURCE_MEM (0) and IORESOURCE_MEM ( 1) 
> addresses in my board specific what statements do I need to include in 
> my dts file?

They would be the first and second "reg" resources of the relevant 
device node.

For IDE, you probably want drivers/ata/pata_of_platform.c rather than 
the above driver.

> I have tried including them in memory {} section of dts and that doesn't 
> work.

No, that's for *memory*, not device registers.

-Scott

      parent reply	other threads:[~2009-04-13 18:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-13 17:52 Where in dts file one should define IORESOURCES_(IO|MEM)? Subodh Nijsure
     [not found] ` <003e01c9bc60$ab11c2c0$9e70150a-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-04-13 18:59   ` Scott Wood [this message]

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