linux-kernel - Re: [PATCH] oxnas: select reset controller framework

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Message-ID: <3635781.NJKnVkuV7s@wuerfel>
Date:	Wed, 06 Jul 2016 15:21:40 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Neil Armstrong <narmstrong@...libre.com>
Cc:	"moderated list:ARM/OXNAS platfor..." 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] oxnas: select reset controller framework

On Wednesday, July 6, 2016 3:04:25 PM CEST Neil Armstrong wrote:
> 2016-07-06 14:48 GMT+02:00 Arnd Bergmann <arnd@...db.de>:
> > For unknown reasons, we have to enable three symbols for a platform
> > to use a reset controller driver, otherwise we get a Kconfig
> > warning:
> >
> > warning: (MACH_OX810SE) selects RESET_OXNAS which has unmet direct dependencies (RESET_CONTROLLER)
> >
> > This selects the other two symbols for oxnas.
> >
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > ---
> >  arch/arm/mach-oxnas/Kconfig | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm/mach-oxnas/Kconfig b/arch/arm/mach-oxnas/Kconfig
> > index 2dde0acf01fd..b6a36d660e6f 100644
> > --- a/arch/arm/mach-oxnas/Kconfig
> > +++ b/arch/arm/mach-oxnas/Kconfig
> > @@ -11,11 +11,13 @@ if ARCH_OXNAS
> >
> >  config MACH_OX810SE
> >         bool "Support OX810SE Based Products"
> > +       select ARCH_HAS_RESET_CONTROLLER
> 
> This is strange since this is selected by CONFIG_ARCH_OXNAS !
> 

You are right, this one is not needed.

> >         select ARM_TIMER_SP8
> >         select COMMON_CLK_OXNAS
> >         select CPU_ARM926T
> >         select MFD_SYSCON
> >         select PINCTRL_OXNAS
> > +       select RESET_CONTROLLER
> 
> Same here, it should be selected by ARCH_HAS_RESET_CONTROLLER

I actually did a patch at one point to kill off ARCH_HAS_RESET_CONTROLLER
completely, it's not really needed at all, but that is a larger rework
so (I think) I never submitted it.

	Arnd