Re: [PATCH v2 0/6] ARM/arm64 : shmobile/renesas: Add L2 cache-controller nodes

[Simon Horman <horms@verge.net.au>]

Hi Geert,

On Mon, Dec 07, 2015 at 07:24:13PM +0100, Geert Uytterhoeven wrote:
> 	Hi Simon, Magnus,
> 
> This patch series adds the missing L2 cache-controller nodes to the
> DTSes for various Renesas ARM-based SoCs, and links the CPU nodes to
> them.
> 
> For R-Mobile APE6 (r8a73a4), the L2 cache-controllers are also linked to
> the respective (already existing) SYSC Power Domains. Fortunately these
> Power Domains were never powered down, as they are parents of the Power
> Domains containing CPU cores. This may change in the future.
> 
> For R-Car Gen2 and Gen3 (r8a779x), this serves as a preparatory step for
> adding SYSC Power Domain support later.
> 
> Question for the ARM/DT people: What are the DT bindings for
> Cortex-A15/A7/A57/A53 L2 cache controllers?
> Everybody just seems to use "cache" for the compatible values...
> 
> Patches 2-5 were extracted from series "[PATCH/RFC 00/15]
> ARM: shmobile: R-Car: Add SYSC PM Domain DT Support",
> (http://lists.infradead.org/pipermail/linux-arm-kernel/2015-June/348742.html)
> and received some fixes. You can find more detailed changelogs in the
> individual patches).
> 
> This has been tested on r8a73a4/ape6evm, r8a7791/koelsch, and
> r8a7795/salvator-x.

Sorry for loosing track of this until now.

It seems to me that the Gen-2 changes could be applied, is that correct?
It also seems to me that there was inconclusive discussion regarding
the r8a7795 change, is that also correct.

> 
> Thanks!
> 
> Geert Uytterhoeven (6):
>   ARM: shmobile: r8a73a4 dtsi: Add L2 cache-controller nodes
>   ARM: shmobile: r8a7790 dtsi: Add L2 cache-controller nodes
>   ARM: shmobile: r8a7791 dtsi: Add L2 cache-controller node
>   ARM: shmobile: r8a7793 dtsi: Add L2 cache-controller node
>   ARM: shmobile: r8a7794 dtsi: Add L2 cache-controller node
>   arm64: renesas: r8a7795: Add L2 cache-controller nodes
> 
>  arch/arm/boot/dts/r8a73a4.dtsi           | 19 +++++++++++++++++++
>  arch/arm/boot/dts/r8a7790.dtsi           | 22 ++++++++++++++++++++++
>  arch/arm/boot/dts/r8a7791.dtsi           | 10 ++++++++++
>  arch/arm/boot/dts/r8a7793.dtsi           |  9 +++++++++
>  arch/arm/boot/dts/r8a7794.dtsi           |  8 ++++++++
>  arch/arm64/boot/dts/renesas/r8a7795.dtsi | 15 +++++++++++++++
>  6 files changed, 83 insertions(+)
> 
> -- 
> 1.9.1
> 
> Gr{oetje,eeting}s,
> 
> 						Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> 							    -- Linus Torvalds
>