linux-kernel - Re: [PATCH 2/7] dw_dmac: fill optional encoded parameters in register structure

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Message-ID: <CAHp75VeQCj4LpabTnmvMMOKuDMeTkpY-MJLhRts2xA1sTA7iaQ@mail.gmail.com>
Date:	Thu, 20 Sep 2012 12:51:58 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	viresh kumar <viresh.kumar@...aro.org>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Vinod Koul <vinod.koul@...el.com>, spear-devel@...t.st.com,
	linux-kernel@...r.kernel.org, Hein Tibosch <hein_tibosch@...oo.es>
Subject: Re: [PATCH 2/7] dw_dmac: fill optional encoded parameters in register structure

On Thu, Sep 20, 2012 at 12:32 PM, viresh kumar <viresh.kumar@...aro.org> wrote:
> On Thu, Sep 20, 2012 at 3:00 PM, Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
>>> Ok. If i am not wrong, such calls are only required once for below line:
>> Actually twice...
>>> dw_params = dma_raw_readl(regs, DW_PARAMS
>> ...here and for channel parameters.
>
> Till the time we hit channel code, we can allocate memory for dw and so
> can use dma_readl/writel. Isn't it?
Actually no. Becase we have the same name for 8 registers.

-- 
With Best Regards,
Andy Shevchenko
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