Re: [PATCH v4 1/2] spi: Add MXIC controller driver

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On Mon, Oct 08, 2018 at 10:38:12AM +0200, Boris Brezillon wrote:

> This is wrong, ->cur_speed_hz should be updated in
> mxic_prepare_transfer_hardware() or mxic_spi_clk_check(), not when
> ->setup() is called. Also, you seem to ignore the xfer->speed_hz value,
> which might be different from spi->max_speed_hz. Maybe the
> ->prepare_transfer() hook is not the right place to do this
> ->cur_speed_hz selection in the end.

xfer->speed_hz should always be filled in so it's the only one you need
to pay attention to (as the code Boris proposed does).

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