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SubjectRe: [PATCH] [RFC] spi: spidev: Add support for Dual/Quad SPI Transfers
On Fri, Feb 21, 2014 at 05:14:53PM +0100, Geert Uytterhoeven wrote:

> The Kconfig entry for SPI_SPIDEV states:

> Note that this application programming interface is EXPERIMENTAL
> and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.

> So it's OK to break binary compatibility?
> Or should we introduce PI_IOC_RD_MODE16 and SPI_IOC_WR_MODE16 instead?

I think it's been experimental for so long that it has become a stable
interface I'm afraid - the new calls would be better. Why not go for 32
bits instead of 16 bits for the new calls, that way it'll take longer to
fill up again?
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