spi: Introduce internal spi_xfer_is_dma_mapped() helper

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There are few drivers that use the same pattern to check if the transfer
is DMA mapped or not. Provide a helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Link: https://lore.kernel.org/r/20240531194723.1761567-2-andriy.shevchenko@linux.intel.com
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

...

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Andy Shevchenko 2024-05-31 22:42:33 +03:00 • committed by Mark Brown

parent d4ea1d504d

commit 0535cf64e4

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drivers/spi/internals.h

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