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

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Message-ID: <CAHp75Ver2xo2f9crQZkAmJcTF=5cZZa3NgvufPqQW3+uTXffJA@mail.gmail.com>
Date:	Wed, 12 Jun 2013 10:43:29 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	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>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	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 Wed, Jun 12, 2013 at 8:08 AM, Vinod Koul <vinod.koul@...el.com> wrote:
> On Wed, Jun 05, 2013 at 03:26:44PM +0300, Andy Shevchenko wrote:
>> The dw_dmac driver is going to be split into multiple files. To make this more
>> convenient move it to an own directory.
>>
>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
>> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
>> Acked-by: Arnd Bergmann <arnd@...db.de>
>> ---
>> +config DW_DMAC
>> +     tristate "Synopsys DesignWare AHB DMA support"
>> +     depends on GENERIC_HARDIRQS
>> +     select DMA_ENGINE
>> +     default y if CPU_AT32AP7000
>> +     help
>> +       Support the Synopsys DesignWare AHB DMA controller. This
>> +       can be integrated in chips such as the Atmel AT32ap7000.
>> +
>> +config DW_DMAC_BIG_ENDIAN_IO
>> +     bool "Use big endian I/O register access"
>> +     default y if AVR32
>> +     depends on DW_DMAC
>> +     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.
> I know this is derived but should it be selected if AVR32 is defined, this stuff
> should be user configurable..

I'm not sure I get what you meant. User can choose that option via
make menuconfig or editing plain .config file.
Or you meant this should be run-time configurable?

--
With Best Regards,
Andy Shevchenko
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