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It is helpful to see what state of CS signal was during one or another SPI operation. All the same for SPI setup. Enable tracing of the SPI setup and CS selection. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Message-Id: <20210526195655.75691-1-andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>