Re: [PATCH v4 02/16] spi: atmel-quadspi: reject DTR ops

[Mark Brown]

On Sat, Apr 25, 2020 at 12:13:56AM +0530, Pratyush Yadav wrote:

> Double Transfer Rate (DTR) ops are added in spi-mem. But this controller
> doesn't support DTR transactions. Since we don't use the default
> supports_op(), which rejects all DTR ops, do that explicitly in our
> supports_op().

It's not ideal that we'd need to explicitly add checks in individual
controller drivers - are we sure that all the others do?

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