spi: imx: fallback to PIO if dma setup failure

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Fallback to PIO in case dma setup failed. For example, sdma firmware not
updated but ERR009165 workaroud added in kernel.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/1590006865-20900-6-git-send-email-yibin.gong@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Robin Gong 2020-05-21 04:34:17 +08:00 • committed by Mark Brown

parent 8d72880819

commit bcd8e7761e

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1 changed files with 27 additions and 4 deletions

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drivers/spi/spi-imx.c

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