Hi Robin,

On Wed, Apr 7, 2021 at 4:15 AM Robin Gong [off-list ref] wrote:

There is ecspi ERR009165 on i.mx6/7 soc family, which cause FIFO
transfer to be send twice in DMA mode. Please get more information from:
https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf. The workaround is adding
new sdma ram script which works in XCH  mode as PIO inside sdma instead
of SMC mode, meanwhile, 'TX_THRESHOLD' should be 0. The issue should be

Could you please confirm whether the sdma-imx7d.bin firmware available at
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/log/imx/sdma/sdma-imx7d.bin

contains the "new sdma ram script which works in XCH  mode as PIO
inside sdma instead
of SMC mode" fix?

Thanks,

Fabio Estevam

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