On 16-09-20, 15:09, Grygorii Strashko wrote: > Now the K3 UDMA glue layer enable functions perform RMW operation on UDMA > RX/TX RT_CTL registers to set EN bit and enable channel, which is > incorrect, because only EN bit has to be set in those registers to enable > channel (all other bits should be cleared 0). > More over, this causes issues when bootloader leaves UDMA channel RX/TX > RT_CTL registers in incorrect state - TDOWN bit set, for example. As > result, UDMA channel will just perform teardown right after it's enabled. > > Hence, fix it by writing correct values (EN=1) directly in UDMA channel > RX/TX RT_CTL registers in k3_udma_glue_enable_tx/rx_chn() functions. Applied, thanks -- ~Vinod
