spi: pxa2xx: Extract pxa2xx_spi_update() helper

There are few places that repeat the logic of "update if changed".
Extract pxa2xx_spi_update() helper to deduplicate that.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210510124134.24638-11-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Andy Shevchenko 2021-05-10 15:41:30 +03:00 • committed by Mark Brown
commit 1bed378c6b
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