linux-kernel - Re: [PATCH resent v2 1/2] ioport : add DEFINE_RES_DMA_SIZE

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Message-ID: <CAMiH66FoX0m_NPntMRyt6zJoYgxuYnzv6neDggmKxW8nfzKJiA@mail.gmail.com>
Date:	Sun, 5 Feb 2012 19:53:31 +0800
From:	Huang Shijie <shijie8@...il.com>
To:	Huang Shijie <b32955@...escale.com>
Cc:	shawn.guo@...aro.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	u.kleine-koenig@...gutronix.de
Subject: Re: [PATCH resent v2 1/2] ioport : add DEFINE_RES_DMA_SIZE_NAMED macro

Does any one have any comments about this patch?

thanks.

On Thu, Jan 19, 2012 at 3:53 PM, Huang Shijie <b32955@...escale.com> wrote:
> Some DMA resource does have the range more then ones.
>
> Signed-off-by: Huang Shijie <b32955@...escale.com>
> ---
>  include/linux/ioport.h |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 9d57a71..9ea5de4 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -134,8 +134,10 @@ struct resource_list {
>  #define DEFINE_RES_IRQ(_irq)                                           \
>        DEFINE_RES_IRQ_NAMED((_irq), NULL)
>
> +#define DEFINE_RES_DMA_SIZE_NAMED(_dma, _size, _name)                  \
> +       DEFINE_RES_NAMED((_dma), (_size), (_name), IORESOURCE_DMA)
>  #define DEFINE_RES_DMA_NAMED(_dma, _name)                              \
> -       DEFINE_RES_NAMED((_dma), 1, (_name), IORESOURCE_DMA)
> +       DEFINE_RES_DMA_SIZE_NAMED((_dma), 1, (_name))
>  #define DEFINE_RES_DMA(_dma)                                           \
>        DEFINE_RES_DMA_NAMED((_dma), NULL)
>
> --
> 1.7.0.4
>
>
> --
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