linux-kernel - Re: [PATCH] mach-shmobile: Emma Mobile EV2 SMP prototype code

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Message-ID: <20120511071305.GD17741@verge.net.au>
Date:	Fri, 11 May 2012 16:13:08 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux@....linux.org.uk,
	arnd@...db.de, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org, rjw@...k.pl, lethal@...ux-sh.org,
	olof@...om.net
Subject: Re: [PATCH] mach-shmobile: Emma Mobile EV2 SMP prototype code

On Wed, May 09, 2012 at 04:54:07PM +0900, Magnus Damm wrote:
> From: Magnus Damm <damm@...nsource.se>
> 
> Prototype code that adds SMP support to EMEV2.
> 
> At this point only the most basic form of SMP operation
> is supported. TWD and CPU Hotplug support is excluded.
> 
> Based on V1 of the Emma Mobile EV2 code. Needs to be
> reworked to coexist with DT. Work in progress.

Hi Magnus,

I tried out this patch on top of the next branch of Rafael's
renesas tree (5658c94) plus V2 of your Emma Mobile EV2 code but
I am only seeing one CPU.  Do I need some other tweaks?

The list of patches I have applied is as follows:

mach-shmobile: Emma Mobile EV2 SMP prototype code
ARM: mach-types: Manually add KZM-A9-GT
mach-shmobile: KZM9D board prototype support
mach-shmobile: Emma Mobile EV2 SoC base support
serial8250-em: Add DT support
serial8250-em: clk_get() IS_ERR() error handling fix
serial8250-em: Emma Mobile UART driver V2
serial8250: Introduce serial8250_register_8250_port()
serial8250: Clean up default map and dl code
serial8250: Use dl_read()/dl_write() on RM9K
serial8250: Use dl_read()/dl_write() on Alchemy
serial8250: Add dl_read()/dl_write() callbacks
8250.c: less than 2400 baud fix.
serial/8250_pci: Clear FIFOs for Intel ME Serial Over Lan device on BI
tegra, serial8250: add ->handle_break() uart_port op
clocksource: em_sti: Add DT support
clocksource: em_sti: Emma Mobile STI driver V2
clockevents: Make clockevents_config() a global symbol

And yes, I did enable CONFIG_SMP :)

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