On Fri, Feb 26, 2021 at 03:21:24PM +0100, Marek Vasut wrote: > The spi_get_bus_and_cs() may be called on the same bus and chipselect > with different frequency or mode. This is valid usecase, but the code > fails to notify the controller of such a configuration change. Call > spi_set_speed_mode() in case bus frequency or bus mode changed to let > the controller update the configuration. > > The problem can easily be triggered using the sspi command: > => sspi 0:0@1000 > => sspi 0:0@2000 > Without this patch, both transfers happen at 1000 Hz. With this patch, > the later transfer happens correctly at 2000 Hz. > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Jagan Teki <[email protected]> > Cc: Patrick Delaunay <[email protected]>
So, very reliably I can make: https://source.denx.de/u-boot/u-boot/-/jobs/245517 happen locally as well building with clang. It's not obvious to me why the test now fails however. -- Tom
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