On Tue, Jul 21, 2015 at 3:56 AM, Yuan Yao <yao.y...@freescale.com> wrote: > This add power management suspend/resume support for the fsl-edma > driver. > > eDMA acted as a basic function used by others. What it needs to do is > the two steps below to support power management. > > In fsl_edma_suspend_late: > Check whether the DMA chan is idle and if it is not idle, stop PM > operation.
You should try to quiesce the device on suspend instead of depending on itself to be happen in idle and failing if it is not. Regards, Leo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
