linux-kernel - Re: [PATCH] PCI: Increase resource array mask bit size in pcim_iomap

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Date:	Thu, 05 Jan 2012 13:50:11 -0500
From:	Don Dutile <ddutile@...hat.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH] PCI: Increase resource array mask bit size in pcim_iomap_regions()

On 01/04/2012 06:50 PM, Yinghai Lu wrote:
> DEVICE_COUNT_RESOURCE will be bigger than 16 when SRIOV supported is enabled.
>
> Let them pass with int just like pci_enable_resources().
>
> Signed-off-by: Yinghai Lu<yinghai@...nel.org>
>
> ---
>   include/linux/pci.h |    6 +++---
>   lib/devres.c        |    6 +++---
>   2 files changed, 6 insertions(+), 6 deletions(-)
>
> Index: linux-2.6/include/linux/pci.h
> ===================================================================
> --- linux-2.6.orig/include/linux/pci.h
> +++ linux-2.6/include/linux/pci.h
> @@ -1433,10 +1433,10 @@ static inline void pci_fixup_device(enum
>   void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
>   void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
>   void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
> -int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
> -int pcim_iomap_regions_request_all(struct pci_dev *pdev, u16 mask,
> +int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name);
> +int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask,
>   				   const char *name);
> -void pcim_iounmap_regions(struct pci_dev *pdev, u16 mask);
> +void pcim_iounmap_regions(struct pci_dev *pdev, int mask);
>
>[...]

I'd recommend u32 since it was u16 initially.
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