Re: [PATCH 2/2] ARM: DRA7: select PCI_DOMAINS config

From: Kishon Vijay Abraham I
Date: Fri Jul 22 2016 - 04:27:45 EST


Hi,

On Friday 22 July 2016 12:46 PM, Tony Lindgren wrote:
> * Arnd Bergmann <arnd@xxxxxxxx> [160721 05:08]:
>> On Thursday, July 21, 2016 5:27:56 PM CEST Kishon Vijay Abraham I wrote:
>>> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
>>> index 1a648e9..8e6e2c0 100644
>>> --- a/arch/arm/mach-omap2/Kconfig
>>> +++ b/arch/arm/mach-omap2/Kconfig
>>> @@ -86,6 +86,7 @@ config SOC_DRA7XX
>>> select OMAP_INTERCONNECT_BARRIER
>>> select PM_OPP if PM
>>> select ZONE_DMA if ARM_LPAE
>>> + select PCI_DOMAINS if PCI
>>>
>>> config ARCH_OMAP2PLUS
>>> bool
>>>
>>
>> Should we just set this unconditionally for ARCH_MULTIPLATFORM maybe?
>
> Makes sense to me if many SoCs need this.

since it doesn't harm even if a platform has a single PCIe port, it should be
okay to set PCI_DOMAINS. I'll resend the following as a separate patch if it's
okay.

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 90542db..0cccb50 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -338,6 +338,7 @@ config ARCH_MULTIPLATFORM
select MULTI_IRQ_HANDLER
select SPARSE_IRQ
select USE_OF
+ select PCI_DOMAINS if PCI

config ARM_SINGLE_ARMV7M
bool "ARMv7-M based platforms (Cortex-M0/M3/M4)"

Thanks
Kishon