On Thu, 21 Nov 2019 at 04:45, Marcin Wojtas <m...@semihalf.com> wrote: > > The SPI stack relies on a proper bus speed/mode configuration > by calling dm_spi_claim_bus(). However the hitherto code > allowed to accidentally override those settings in > the spi_get_bus_and_cs() routine. > > The initially established speed could be discarded by using > the slave platdata, which turned out to be an issue on > the platforms whose slave maximum supported frequency > is not on par with the maximum frequency of the bus controller. > > This patch fixes above issue by configuring the bus from > spi_get_bus_and_cs() only in case it was not done before. > > Signed-off-by: Marcin Wojtas <m...@semihalf.com> > --- > drivers/spi/spi-uclass.c | 20 +++++++++++--------- > 1 file changed, 11 insertions(+), 9 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org>
