From mboxrd@z Thu Jan 1 00:00:00 1970 From: ulli.kroll@googlemail.com (Hans Ulli Kroll) Date: Tue, 30 Nov 2010 16:38:54 +0100 (CET) Subject: [PATCH] ARM: Gemini: Add support for PCI Bus In-Reply-To: <201011291657.53316.arnd@arndb.de> References: <1290263224-16965-1-git-send-email-ulli.kroll@googlemail.com> <20101129142200.GA14941@n2100.arm.linux.org.uk> <201011291657.53316.arnd@arndb.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 29 Nov 2010, Arnd Bergmann wrote: > On Monday 29 November 2010, Hans Ulli Kroll wrote: > > @@ -1164,7 +1169,7 @@ config ISA_DMA_API > > bool > > > > config PCI > > - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || > > ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX > > + bool "PCI support" if MIGHT_HAVE_PCI > > help > > Find out whether you have a PCI motherboard. PCI is the name of > > a > > bus system, i.e. the way the CPU talks to the other stuff inside > > This does not solve the problem that Russell mentioned: existing platforms > select PCI unconditionally, e.g. Iop13XX, some IXP, Orion, Shark > and more. At the very least, these would need to also select MIGHT_HAVE_PCI > to avoid the warning. > so select MIGHT_HAVE_PCI in conjunction of select PCI on other almost platforms > > index fe0c82e..f5c39a8 100644 > > --- a/arch/arm/mach-ks8695/Kconfig > > +++ b/arch/arm/mach-ks8695/Kconfig > > @@ -4,6 +4,7 @@ menu "Kendin/Micrel KS8695 Implementations" > > > > config MACH_KS8695 > > +++ b/arch/arm/mach-versatile/Kconfig > > @@ -4,6 +4,7 @@ menu "Versatile platform type" > > config ARCH_VERSATILE_PB > > bool "Support Versatile/PB platform" > > select CPU_ARM926T > > + select HAVE_PCI > > default y > > help > > Include support for the ARM(R) Versatile/PB platform.bool > > Typo: you certainly meant MIGHT_HAVE_PCI here. > Damn, I missed this. HAVE_PCI was my first approach to do this. > We still need to agree on what it should be doing, but otherwise this > is what I had in mind. > > Arnd >