> From: Mark Brown [mailto:broo...@kernel.org] > > On Tue, Oct 15, 2013 at 03:33:19PM +0000, Gupta, Pekon wrote: > > Problem here.. > > spi_sync() is not blocking, that means it would just add a spi_message > > to queue and return. And it depends on kthread_worker when it pumps > > this spi_message to QPSI controller driver for actual configuration. > > So this is actually a race-condition. You cannot use spi_sync() to > > configure. > > No, spi_sync() is blocking - spi_async() is non-blocking.
Sorry my bad, I must have been dreaming or something. Yes, it's spi_sync() is blocking, its clearly written in its comments too.. with regards, pekon ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general
