Re: [PATCH] spi: spi-geni-qcom: Add SPI driver support for GENI based QUP

[Mark Brown]

On Thu, May 24, 2018 at 10:25:58AM -0600, Mahadevan, Girish wrote:

> The reason I have the cur_speed_hz is that there is a max_speed_hz which
> is the max frequency the slave can do; but every transfer can also
> specify a speed_hz and override this.

Every transfer *will* specify a speed, you should never see a transfer
that doesn't specify a speed.

> > delay_usecs is for inter-transfer delays within a message rather than
> > after the initial chip select assert (it can be used to keep chip select
> > asserted for longer after the final transfer too).  Obviously this is
> > also something that shouldn't be configured in a driver specific
> > fashion.

> Hmmm ok, so you mean don't send these as controller_data, rather add new
> members to the spi_device struct ?

Yes, that'd be one way to do it.

Attachment: signature.asc
Description: PGP signature