linux-kernel - RE: [PATCH 09/10] arm/tegra: implement support for tegra30

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Date:	Thu, 17 Nov 2011 11:50:40 -0800
From:	Stephen Warren <swarren@...dia.com>
To:	Peter De Schrijver <pdeschrijver@...dia.com>,
	Peter De Schrijver <pdeschrijver@...dia.com>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Russell King <linux@....linux.org.uk>,
	Colin Cross <ccross@...roid.com>,
	Olof Johansson <olof@...om.net>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: RE: [PATCH 09/10] arm/tegra: implement support for tegra30

Peter De Schrijver wrote at Thursday, November 17, 2011 9:19 AM:
> Add support for tegra30 SoC. This includes a device tree compatible type for
> this SoC ("nvidia,tegra30") and adds L2 cache initialization for this new SoC.
> The clock framework is still missing, which prevents most drivers from working.
> The basic IRQs are the same, so remove the dependency on
> CONFIG_ARCH_TEGRA_2x_SOC.

> diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
> index 416446b..0b9d184 100644
> --- a/arch/arm/mach-tegra/board-dt.c
> +++ b/arch/arm/mach-tegra/board-dt.c
> @@ -149,3 +149,11 @@ DT_MACHINE_START(TEGRA_DT, "nVidia Tegra20 (Flattened Device Tree)")
>  	.init_machine	= tegra_dt_init,
>  	.dt_compat	= tegra20_dt_board_compat,
>  MACHINE_END

Since you're reving the patch, a blank line between the two machines would
be nice.

> +DT_MACHINE_START(TEGRA30_DT, "nVidia Tegra30 (Flattened Device Tree)")
> +	.map_io		= tegra_map_common_io,
> +	.init_early	= tegra30_init_early,
> +	.init_irq	= tegra_init_irq,
> +	.timer		= &tegra_timer,
> +	.init_machine	= tegra_dt_init,
> +	.dt_compat	= tegra30_dt_board_compat,

That variable doesn't exist until the next patch; that'll break git bisect.

Do the two DT_MACHINE_START's need if be ifdef'd based on CONFIG variables too?
If not, I'm not sure how a Tegra20- or Tegra30-only kernel builds, since aren't
some of those init functions ifdef'd out but referenced here?

> +MACHINE_END

-- 
nvpublic

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