linux-kernel - Re: [PATCH v2 1/3] ARM: davinci: da850: override mmc DT node device name

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Date:	Tue, 12 Feb 2013 11:16:21 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	"Manjunathappa, Prakash" <prakash.pm@...com>
CC:	<linux-mmc@...r.kernel.org>, <grant.likely@...retlab.ca>,
	<rob.herring@...xeda.com>, <rob@...dley.net>,
	<linux@....linux.org.uk>, <hs@...x.de>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <cjb@...top.org>,
	<davinci-linux-open-source@...ux.davincidsp.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] ARM: davinci: da850: override mmc DT node device
 name

On 2/7/2013 1:27 PM, Manjunathappa, Prakash wrote:
> Populate OF_DEV_AUXDATA with desired device name expected by
> davinci_mmc driver. Without this clk_get of davinci_mmc DT driver
> fails.

But there is no mmc DT support for DaVinci at this time. This patch
should come after the driver DT support and .dts addition patches.

> diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
> index 37c27af..3362ca4 100644
> --- a/arch/arm/mach-davinci/da8xx-dt.c
> +++ b/arch/arm/mach-davinci/da8xx-dt.c
> @@ -39,9 +39,16 @@ static void __init da8xx_init_irq(void)
>  
>  #ifdef CONFIG_ARCH_DAVINCI_DA850
>  
> +static const struct of_dev_auxdata da8xx_auxdata[] __initconst = {
> +	OF_DEV_AUXDATA("ti,davinci-mmc-da830", 0x01c40000, "davinci_mmc.0",
> +			NULL),
> +	{},
> +};
> +
>  static void __init da850_init_machine(void)
>  {
> -	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> +	of_platform_populate(NULL, of_default_bus_match_table, da8xx_auxdata,
> +			NULL);

This needs to be rebased on by v3.9/dt-2 branch. There are conflicts
with the code already present.

Thanks,
Sekhar
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