TMC_MODE_CIRCULAR_BUFFER
writel_relaxed(TMC_MODE_CIRCULAR_BUFFER, drvdata->base + TMC_MODE);
if (val != TMC_MODE_CIRCULAR_BUFFER)
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
if (mode != TMC_MODE_CIRCULAR_BUFFER) {
writel_relaxed(TMC_MODE_CIRCULAR_BUFFER, drvdata->base + TMC_MODE);