linux-kernel - Re: [PATCH] pci: adding support for PCI_MSI_IRQ

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Date:	Wed, 10 Aug 2016 10:55:45 -0700
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Joao Pinto <Joao.Pinto@...opsys.com>,
	"bhelgaas@...gle.com" <bhelgaas@...gle.com>
CC:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-snps-arc@...ts.infradead.org" 
	<linux-snps-arc@...ts.infradead.org>
Subject: Re: [PATCH] pci: adding support for PCI_MSI_IRQ_DOMAIN in ARC arch

On 08/09/2016 08:51 AM, Joao Pinto wrote:
> Due to the added dependency on PCI_MSI_IRQ_DOMAIN for all PCIe RC 
> drivers, we were unable to build a RC solution for an ARC platform.
>
> To fix this, this patch adds ARC as a PCI_MSI_IRQ_DOMAIN supportive
> platform and adds the generation of msi.h in the ARC arch.
>
> Signed-off-by: Joao Pinto <jpinto@...opsys.com>

LGTM - Bjorn I presume you will pick this up ?

-Vineet
> ---
>  arch/arc/include/asm/Kbuild | 1 +
>  drivers/pci/Kconfig         | 2 +-
>  2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
> index 0b10ef2..c332604 100644
> --- a/arch/arc/include/asm/Kbuild
> +++ b/arch/arc/include/asm/Kbuild
> @@ -25,6 +25,7 @@ generic-y += mcs_spinlock.h
>  generic-y += mm-arch-hooks.h
>  generic-y += mman.h
>  generic-y += msgbuf.h
> +generic-y += msi.h
>  generic-y += param.h
>  generic-y += parport.h
>  generic-y += pci.h
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 67f9916..6555eb7 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -25,7 +25,7 @@ config PCI_MSI
>  	   If you don't know what to do here, say Y.
>  
>  config PCI_MSI_IRQ_DOMAIN
> -	def_bool ARM || ARM64 || X86
> +	def_bool ARC || ARM || ARM64 || X86
>  	depends on PCI_MSI
>  	select GENERIC_MSI_IRQ_DOMAIN
>