Re: [RFC PATCH 1/2] spi: Add support for Zynq QSPI controller

From: Mark Brown
Date: Thu Jul 10 2014 - 08:09:20 EST

On Thu, Jul 10, 2014 at 04:03:19PM +0530, Harini Katakam wrote:

> OK. Correct me if I'm wrong but announcing this support in master->flags is
> just to say the controller supports it - Like Punnaiah mentioned in the other

No, it's broken to set this if there is no ability to use it.

> mail, nothing specific needs to be done from the controller driver to enable
> dual/quad support. This is at the SOC/IP level.

How does the client driver select the width to use for a transfer?

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