linux-kernel - Re: [PATCH v2 2/4] dma: move dw_dmac driver to an own directory

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Message-ID: <CAKohpok8jyUF33hatMJzLwokHM2Ou=N8rHQ4oQ5xQ2AiSSN__w@mail.gmail.com>
Date:	Wed, 12 Jun 2013 14:23:39 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	Andy Shevchenko <andy.shevchenko@...il.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.jf.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	spear-devel <spear-devel@...t.st.com>,
	Arnd Bergmann <arnd@...db.de>, Felipe Balbi <balbi@...com>
Subject: Re: [PATCH v2 2/4] dma: move dw_dmac driver to an own directory

On 12 June 2013 13:42, Vinod Koul <vinod.koul@...el.com> wrote:

> Never mind, am applying your patches and below fix, let me if you guys are okay

I am not :)

> diff --git a/drivers/dma/dw/Kconfig b/drivers/dma/dw/Kconfig
> index db2b41f..7be1cf8 100644
> --- a/drivers/dma/dw/Kconfig
> +++ b/drivers/dma/dw/Kconfig
> @@ -10,6 +10,7 @@ config DW_DMAC_CORE
>  config DW_DMAC
>         tristate "Synopsys DesignWare AHB DMA platform driver"
>         select DW_DMAC_CORE
> +       select DW_DMAC_BIG_ENDIAN_IO if ARCH=AVR32
>         default y if CPU_AT32AP7000
>         help
>           Support the Synopsys DesignWare AHB DMA controller. This
> @@ -25,12 +26,4 @@ config DW_DMAC_PCI
>           Intel Medfield has integrated this GPDMA controller.
>
>  config DW_DMAC_BIG_ENDIAN_IO
> -       bool "Use big endian I/O register access"
> -       default y if AVR32
> -       depends on DW_DMAC_CORE
> -       help
> -         Say yes here to use big endian I/O access when reading and writing
> -         to the DMA controller registers. This is needed on some platforms,
> -         like the Atmel AVR32 architecture.

This information was useful to understand this config option and must
be kept in some way.
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