On 02/05/2023 08:28, Jaewon Kim wrote: > In polling mode, the status register is continuously read to check data > transfer completion. It can cause excessive CPU usage. > To reduce this, we can calculate the transfer time and put the sleep during > transfer. > > When test on ExynosAuto9 SADK board, throughput remained the same, but > 100% CPU utilization decreased to 40%. > > Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx> > --- Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof