On 12/03/14 20:13, Arnd Bergmann wrote:
> On Wednesday 03 December 2014 16:39:08 Andrew Jackson wrote:
>> Convert to driver to use either platform_data or device-tree for
>> configuration
>> of the device. When using device-tree, the I2S block's configuration is read
>> from the relevant registers: this reduces the amount of information required
>> in
>> the device tree.
>>
>> Signed-off-by: Andrew Jackson <andrew.jack...@arm.com>
>
> I don't think we even have to worry about the platform_data case here:
> the only platform using this hardware in Linux is arm/mach-spear, and
> it defines a device node with a binding that is similar to the one you
> document here but that is not implemented in the driver.
>
> So, I think for all practical purposes we can assume that nobody cares
> if you make incompatible changes as long as you don't introduce build
> regression.
>
> Also, please adapt the arch/arm/boot/dts/spear13*.dts{,i} files
> as good as you can. They are broken in other ways too that you don't
> have to fix, just make them conform to the binding you add.
>
Will do. Although I had noticed those DT entries, I couldn't find anything in
support of them. I wasn't sure whether someone else was waiting in the wings
(so as to speak) with a DT enabled Designware I2S driver.
> Arnd
>
>
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