error info:
spi_master spi0: I/O Error in DMA RX:84
spi_master spi0: failed to transfer one message from queue
Hi heihei
one can try with
linux/arch/arm/boot/dts/imx6ul-14x14-evk-ecspi.dts
imx6ul-14x14-evk-ecspi.dts\dts\boot\arm\arch - linux-imx - i.MX Linux kernel
and use linux from nxp codeaurora repository
Best regards
igor
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hi @igorpadykov ,Using the kernel you provided(branch:imx_4.14.78_1.0.0_ga), SPI will have the following errors:
imx-sdma 20ec000.sdma: sdma firmware not ready!
spidev spi0.0: SPI transfer failed: -22
spi_master spi0: failed to transfer one message from queue