Re: spi-gpio too fast for some devices

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On Mon, Jul 01, 2019 at 08:33:27PM +0200, Christian Mauderer wrote:
> On 01/07/2019 19:26, Mark Brown wrote:

> > I was actually thinking of a DT property but yes that too, probably
> > would be useful for people trying to figure out the right number.

> My experience with the device tree from last time (a LED driver) was
> that implementation specific properties are not that popular. A property

No, they're absolutely fine when they have a use case.

> that tells one special driver from which speed on it should just ignore
> the speed and try it's best to do max speed seems quite implementation
> specific. Maybe except if I try to introduce a max-speed property to the
> SPI slaves that can be used instead of the speed.

You can already set the maximum speed - this is about tuning a
very system specific point to switch implementations.

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