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Message-ID: <CAGhQ9VxkGh_V0ctb1U7Y5UZ36qa-7ZPPW2xsg07m4SHhXmXeJQ@mail.gmail.com>
Date:	Thu, 21 May 2015 19:00:02 +0200
From:	Joachim Eastwood <manabian@...il.com>
To:	Stefan Agner <stefan@...er.ch>
Cc:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH soc] ARM: use ARM_SINGLE_ARMV7M for ARMv7-M platforms

Hi Stefan,

On 21 May 2015 at 00:35, Stefan Agner <stefan@...er.ch> wrote:
> Use the new config symbol ARM_SINGLE_ARMV7M which groups config
> symbols used by modern ARMv7-M platforms. This allows supporting
> multiple ARMv7-M platforms in one kernel image. However, a common
> kernel image requires the combined platforms to share the same
> main memory layout to be bootable.
>
> Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Signed-off-by: Stefan Agner <stefan@...er.ch>

You should have your sign-off on the top and not Uwe's ack.

> ---
> Since this is essentially only a shift of config symbols, it
> should not change runtime behavior, at least when selecting
> only one platform.
>
> Uwe, this is essentially the same I had in my patchset, just
> converting the other platforms too. I was bold and added your
> Ack anyway...
>
> Joachim, Maxime, I test compiled with your defconfigs, compiled
> fine on my machine.
>
>  arch/arm/Kconfig       | 86 ++++++++++++++++++--------------------------------
>  arch/arm/Kconfig.debug |  5 ++-
>  2 files changed, 32 insertions(+), 59 deletions(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 75920ed..9b777e3 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -334,6 +334,7 @@ config ARM_SINGLE_ARMV7M
>         depends on !MMU
>         select ARCH_WANT_OPTIONAL_GPIOLIB
>         select ARM_NVIC
> +       select AUTO_ZRELADDR
>         select CLKSRC_OF
>         select COMMON_CLK
>         select CPU_V7M
> @@ -411,24 +412,6 @@ config ARCH_EBSA110
>           Ethernet interface, two PCMCIA sockets, two serial ports and a
>           parallel port.
[...]
> -config ARCH_LPC18XX
> -       bool "NXP LPC18xx/LPC43xx"
> -       depends on !MMU
> -       select ARCH_HAS_RESET_CONTROLLER
> -       select ARCH_REQUIRE_GPIOLIB
> -       select ARM_AMBA
> -       select ARM_NVIC
> -       select AUTO_ZRELADDR
> -       select CLKSRC_LPC32XX
> -       select COMMON_CLK
> -       select CPU_V7M
> -       select GENERIC_CLOCKEVENTS
> -       select NO_IOPORT_MAP
> -       select PINCTRL
> -       select SPARSE_IRQ
> -       select USE_OF
> -       help
> -         Support for NXP's LPC18xx Cortex-M3 and LPC43xx Cortex-M4
> -         high performance microcontrollers.
> -
[...]
> +config ARCH_LPC18XX
> +       bool "NXP LPC18xx/LPC43xx"
> +       depends on ARM_SINGLE_ARMV7M
> +       select ARCH_HAS_RESET_CONTROLLER
> +       select ARM_AMBA
> +       select CLKSRC_LPC32XX
> +       select PINCTRL
> +       help
> +         Support for NXP's LPC18xx Cortex-M3 and LPC43xx Cortex-M4
> +         high performance microcontrollers.

The LPC18xx parts look good and it still builds and boots on my devkit so;

Acked-by: Joachim Eastwood <manabian@...il.com>

regards,
Joachim Eastwood
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