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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