linux-kernel - Re: [PATCH v12 01/15] PCI: Let pci_mmap_page

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Message-ID: <20160607080430.GI3183@axis.com>
Date:	Tue, 7 Jun 2016 10:04:30 +0200
From:	Jesper Nilsson <jesper.nilsson@...s.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Wei Yang <weiyang@...ux.vnet.ibm.com>,
	Khalid Aziz <khalid.aziz@...cle.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-cris-kernel@...s.com,
	linux-ia64@...r.kernel.org, linux-mips@...ux-mips.org,
	linux-am33-list@...hat.com, linux-parisc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
	sparclinux@...r.kernel.org, linux-xtensa@...ux-xtensa.org
Subject: Re: [PATCH v12 01/15] PCI: Let pci_mmap_page_range() take extra
 resource pointer

On Fri, Jun 03, 2016 at 05:06:28PM -0700, Yinghai Lu wrote:
> This one is preparing patch for next one:
>   PCI: Let pci_mmap_page_range() take resource addr
> 
> We need to pass extra resource pointer to avoid searching that again
> for powerpc and microblaze prot set operation.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> Cc: linux-arm-kernel@...ts.infradead.org

For the CRIS part:

Acked-by: Jesper Nilsson <jesper.nilsson@...s.com>

> diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c
> index 64a5fb9..082efb9 100644
> --- a/arch/cris/arch-v32/drivers/pci/bios.c
> +++ b/arch/cris/arch-v32/drivers/pci/bios.c
> @@ -14,7 +14,8 @@ void pcibios_set_master(struct pci_dev *dev)
>  	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
>  }
>  
> -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
> +int pci_mmap_page_range(struct pci_dev *dev, struct resource *res,
> +			struct vm_area_struct *vma,
>  			enum pci_mmap_state mmap_state, int write_combine)
>  {
>  	unsigned long prot;
> diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
> index b1b289d..65198cb 100644
> --- a/arch/cris/include/asm/pci.h
> +++ b/arch/cris/include/asm/pci.h
> @@ -42,9 +42,6 @@ struct pci_dev;
>  #define PCI_DMA_BUS_IS_PHYS	(1)
>  
>  #define HAVE_PCI_MMAP
> -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
> -			       enum pci_mmap_state mmap_state, int write_combine);
> -
>  
>  #endif /* __KERNEL__ */

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com