linux-kernel - Re: [PATCH] PCI: DEVICE_COUNT_RESOURCE should be equal to PCI_NUM

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Message-ID: <20120106130523.2a904776@jbarnes-desktop>
Date:	Fri, 6 Jan 2012 13:05:23 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH] PCI: DEVICE_COUNT_RESOURCE should be equal to
 PCI_NUM_RESOURCES

On Wed,  4 Jan 2012 15:49:45 -0800
Yinghai Lu <yinghai@...nel.org> wrote:

> Save some bytes for device resource array.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 
> ---
>  include/linux/pci.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6/include/linux/pci.h
> ===================================================================
> --- linux-2.6.orig/include/linux/pci.h
> +++ linux-2.6/include/linux/pci.h
> @@ -111,7 +111,7 @@ enum {
>  	PCI_NUM_RESOURCES,
>  
>  	/* preserve this for compatibility */
> -	DEVICE_COUNT_RESOURCE
> +	DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
>  };
>  
>  typedef int __bitwise pci_power_t;

Not sure what this buys us by itself, but it's applied in preparation
for any upcoming cleanups.

-- 
Jesse Barnes, Intel Open Source Technology Center

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