linux-kernel - Re: [PATCH v2 14/18] ARM: Add STM32 family machine

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Date:	Fri, 20 Feb 2015 22:37:20 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, afaerber@...e.de,
	geert@...ux-m68k.org, Rob Herring <robh+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Jonathan Corbet <corbet@....net>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Joe Perches <joe@...ches.com>, Antti Palosaari <crope@....fi>,
	Tejun Heo <tj@...nel.org>, Will Deacon <will.deacon@....com>,
	Nikolay Borisov <Nikolay.Borisov@....com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Kees Cook <keescook@...omium.org>,
	Michal Marek <mmarek@...e.cz>, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-serial@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: Re: [PATCH v2 14/18] ARM: Add STM32 family machine

On Fri, 2015-02-20 at 21:00 +0100, Uwe Kleine-König wrote:
> On Fri, Feb 20, 2015 at 07:01:13PM +0100, Maxime Coquelin wrote:
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index 97d07ed..cfd9532 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -774,6 +774,28 @@ config ARCH_OMAP1
> >  	help
> >  	  Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
> >  
> > +config ARCH_STM32
> > +	bool "STMicrolectronics STM32"
> > +	depends on !MMU
> > +	select ARCH_REQUIRE_GPIOLIB
> > +	select ARM_NVIC
> > +	select AUTO_ZRELADDR
> > +	select ARCH_HAS_RESET_CONTROLLER
> > +	select RESET_CONTROLLER
> > +	select PINCTRL
> > +	select PINCTRL_STM32
> > +	select CLKSRC_OF
> > +	select ARMV7M_SYSTICK
> > +	select COMMON_CLK
> > +	select CPU_V7M
> > +	select GENERIC_CLOCKEVENTS
> > +	select NO_DMA
> > +	select NO_IOPORT_MAP
> > +	select SPARSE_IRQ
> > +	select USE_OF
> Please sort this list alphabetically.

And drop
    select NO_DMA

You copied that from ARCH_EFM32, but it's pointless on arm (as arch/arm/
doesn't provide a NO_DMA Kconfig symbol).

I submitted a patch last year to drop it from ARCH_EFM32, which Uwe
Acked, but then nothing happened. I'm to blame, as I should have sent a
reminder.

> > +	help
> > +	  Support for STMicorelectronics STM32 processors.
> > +
> >  endchoice
> >  
> >  menu "Multiple platform selection"


Paul Bolle

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