On Tue, May 30, 2017 at 02:20:38PM +0200, Bertho Stultiens wrote: > I suddenly realized that the SPI peripheral is configured and accessed > in userspace. That will fail miserably if not extremely careful, > especially on SMP. > > However, there already is a solution for this! The linux kernel has a > SPI driver, which is quite good (used it before). It solves all the > userspace problems and, to say the least, some very clever people have > had a crack at this problem before. [snip]
We already have a driver for hostmot2 that uses /dev/spidev*, hm2_spi. hm2_rpspi exists because its contributor stated that on their system, hm2_spi did not perform adequately. Jeff ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
