On Fri, Feb 03, 2017 at 06:31:14PM -0500, Kamal Dasu wrote:

> Device drivers can check if the master controller driver has to support
> flash pm. The controller driver indicates this using flash_pm_supported()
> spi master interface.

What is "flash pm" and how would a client use it given that no API for
actually managing power is being added here?  Someone looking at the API
needs to be able to figure these things out and right now I can't see
how they'd do that...