[PATCH 71/97] ARM: l2c: convert tegra to generic l2c initialisation

[Russell King - ARM Linux]

On Mon, Apr 28, 2014 at 02:24:32PM -0600, Stephen Warren wrote:
> On 04/28/2014 01:32 PM, Russell King wrote:
> 
> > diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
> 
> >  DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
> > -	.map_io		= tegra_map_common_io,
> > +	.l2c_aux_val	= 0x3c400001,
> > +	.l2c_aux_mask	= 0xc20fc3fe,
> 
> I assume those values are simply ignored for CPUs without an l2c (or
> with an architected one?) i.e. A15. If so,
> 
> Acked-by: Stephen Warren <swarren at nvidia.com>

l2x0_of_init() only does something when your DT file specifies that
there's a L2C cache controller of the appropriate type present.  So
yes, when there's no L2C cache controller mentioned, it's a no-op.

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