Hi Robin, On Wed, Apr 7, 2021 at 4:15 AM Robin Gong <yibin.gong@xxxxxxx> 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
