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Subject[PATCH] spi: imx: enable runtime pm support
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Hello Clark, 

This patch breaks spi-imx on imx7d.
Toradex Colibri imx7d spi reports with:

[ 4.258468] inv-mpu6000-spi spi2.0: I/O Error in PIO
[ 4.264269] inv-mpu6000-spi spi2.0: SPI transfer failed: -110
[ 4.264305] spi_master spi2: failed to transfer one message from queue

We are using spi-imx with dma.

Reverting your patch fixes this issue.

The baseline commit 951cbbc386ff01b50da4f46387e994e81d9ab431 (tag: v5.9.8, stable/linux-5.9.y)

Could you please give some comments on this issue ?

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