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IMX6SX SDB PCIe + ATH9K(AR9280) performance problem

Question asked by Yulsang Kim on Aug 13, 2018
Latest reply on Aug 14, 2018 by igorpadykov



I am testing the pcie + ar9280 (wifi) performance on the imx6sx board. Transmission performance is below 10Mbps. Therefore, when debugging, ath_isr () printk message of the Linux ath9k device driver is output, the transmission performance is more than 50Mbps.


1. Is the PCIe or ATH9K driver a problem?
2. What is the solution?


I need help.