On Wed, Jun 26, 2024 at 09:57:32AM -0500, David Lechner wrote: > On 6/25/24 4:53 PM, Marcelo Schmitt wrote: > > +#define SPI_CONTROLLER_MOSI_IDLE_LOW BIT(8) /* Can idle MOSI low */ > > +#define SPI_CONTROLLER_MOSI_IDLE_HIGH BIT(9) /* Can idle MOSI high */ > These two flags above are still not used anywhere and are redundant with > the SPI_MOSI_IDLE_LOW/HIGH flags below so I don't think we should be adding > these. Yes. > Also, what is the plan for adding these flags to other SPI controllers. For > example, the IMX controller in [1] sounds like it should also support > SPI_MOSI_IDLE_HIGH. And your comments on an earlier version of this series > made it sound like Raspberry Pi is always SPI_MOSI_IDLE_LOW, so should > have that flag. I don't think we need a specific plan there, obviously it'd be nice for people to go through and enable but it's also fine to just leave this for someone who needs the support to implement.
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