spi: spi-geni-qcom: correctly handle -EPROBE_DEFER from dma_request_chan()

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Now spi_geni_grab_gpi_chan() errors are correctly reported, the
-EPROBE_DEFER error should be returned from probe in case the
GPI dma driver is built as module and/or not probed yet.

Fixes: b59c122484 ("spi: spi-geni-qcom: Add support for GPI dma")
Fixes: 6532582c35 ("spi: spi-geni-qcom: fix error handling in spi_geni_grab_gpi_chan()")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230615-topic-sm8550-upstream-fix-spi-geni-qcom-probe-v2-1-670c3d9e8c9c@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

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Neil Armstrong 2023-06-15 14:51:45 +02:00 • committed by Mark Brown

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drivers/spi/spi-geni-qcom.c

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