linux-kernel - Re: [PATCH V7 1/6] power: reset: Add generic SYSCON register mapped reset

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Message-ID: <12435553.7pqAlNHzh1@wuerfel>
Date:	Fri, 27 Jun 2014 09:23:32 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Feng Kan <fkan@....com>
Cc:	Chen-Yu Tsai <wens@...e.org>, dbaryshkov <dbaryshkov@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	dwmw2 <dwmw2@...radead.org>,
	devicetree <devicetree@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	patches <patches@....com>
Subject: Re: [PATCH V7 1/6] power: reset: Add generic SYSCON register mapped reset

On Thursday 26 June 2014 09:51:14 Feng Kan wrote:
> >> diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig
> >> index bdcf517..7035236 100644
> >> --- a/drivers/power/reset/Kconfig
> >> +++ b/drivers/power/reset/Kconfig
> >> @@ -80,3 +80,9 @@ config POWER_RESET_KEYSTONE
> >>         help
> >>           Reboot support for the KEYSTONE SoCs.
> >>
> >> +config POWER_RESET_SYSCON
> >> +       bool "Generic SYSCON regmap reset driver"
> >> +       depends on ARCH_XGENE
> >
> > If this is supposed to be generic, why are you depending on
> > a certain platform?
> 
> Yes, the problem was that it was breaking the x86 build.

You probably need to list the exact dependencies then, at least make
it depend on MFD_SYSCON and OF. We generally want all drivers to
build without warnings on all architectures. You can limit it to
(ARM || ARM64 || COMPILE_TEST) if you don't want it to show up on
x86 by default, but it should still be possible to build it when
COMPILE_TEST is set.

	Arnd
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