[PATCH v2 00/03] ARM: shmobile: r8a7790 APMU SMP support

Sudeep KarkadaNagesha Sudeep.KarkadaNagesha at arm.com
Thu Aug 29 13:20:45 EDT 2013


On 29/08/13 00:21, Magnus Damm wrote:
> ARM: shmobile: r8a7790 APMU SMP support
> 
> [PATCH v2 01/03] ARM: shmobile: Shared APMU SMP support code without DT
> [PATCH v2 02/03] ARM: shmobile: Add r8a7790 SMP support using APMU code
> [PATCH v2 03/03] ARM: shmobile: Add r8a7790 CA15 CPU cores
> 
> This series adds SMP support to r8a7790 using the included APMU code.
> The previous version of r8a7790 support depended on the APMU code in 
> "[PATCH] ARM: shmobile: Shared APMU SMP support code", but in this
> version the APMU code has been reworked to not use DT.
You have misunderstood my comments. I clearly said I am not against
using DT for APMU. I objected only the new property 'cpus' added to the
APMU node(mainly because it's not needed IMO or it was not documented
well to explain the need for it)

> In the future
> r8a73a4 and other SoCs may make use of the APMU as well, but the 
> r8a73a4 code first needs to be adjusted to work with the CCI driver.
> 
> With these patches applied r8a7790 CA15 support for SMP boot
> and CPU Hotplug is known to be working.
> 
> Thanks to Sudeep for his feedback.
> 
> Signed-off-by: Magnus Damm <damm at opensource.se>
> ---
> 
>  Written against renesas.git renesas-devel-20130829
> 
>  arch/arm/boot/dts/r8a7790.dtsi                 |   21 ++
>  arch/arm/mach-shmobile/Makefile                |    1 
>  arch/arm/mach-shmobile/board-lager-reference.c |    1 
>  arch/arm/mach-shmobile/board-lager.c           |    1 
>  arch/arm/mach-shmobile/include/mach/common.h   |    6 
>  arch/arm/mach-shmobile/include/mach/r8a7790.h  |    1 
>  arch/arm/mach-shmobile/platsmp-apmu.c          |  178 ++++++++++++++++++++++++
>  arch/arm/mach-shmobile/setup-r8a7790.c         |    1 
>  arch/arm/mach-shmobile/smp-r8a7790.c           |   67 +++++++++
>  9 files changed, 277 insertions(+)
> 
> 





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