Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel

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Andy Shevchenko <andy.shevchenko@xxxxxxxxx> writes:

> On Wed, Jan 20, 2016 at 9:24 PM, Måns Rullgård <mans@xxxxxxxxx> wrote:
>> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes:
>>
>>> On Wed, 2016-01-20 at 18:50 +0000, Måns Rullgård wrote:
>>>> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes:
>>>>
>>>> > > Tested on AVR32 (DMA driver) and Sigma SMP8642 (SATA driver).
>>>> > >
>>>> > > Code here:
>>>> > > https://bitbucket.org/mansr/linux-dwc/branch/dwc-sata
>>>> >
>>>> > Thanks for testing!
>>>>
>>>> Have you had time to look any more at these patches?
>>>
>>> Not yet.
>>> I will look soon for sure.
>>>
>>> One comment still regarding to lli types. We can avoid warnings by
>>> using (__force u32) in macros.
>>
>> But that won't give the benefits of having the types checked.
>
> You mean if we access the lli->field directly? I didn't quite get what
> use case you are keeping in mind.

Yes, accessing any of those fields directly with my patch gives a sparse
warning.  It's situations like these those checks are intended for.
Defeating them seems foolish to me.

-- 
Måns Rullgård
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