Re: [PATCH V3 1/2] dmaengine: qcom_hidma: introduce memset support

From: Vinod Koul
Date: Tue Jul 18 2017 - 12:17:19 EST


On Thu, Jun 29, 2017 at 10:30:57PM -0400, Sinan Kaya wrote:

> @@ -410,7 +410,40 @@ static int hidma_alloc_chan_resources(struct dma_chan *dmach)
> return NULL;
>
> hidma_ll_set_transfer_params(mdma->lldev, mdesc->tre_ch,
> - src, dest, len, flags);
> + src, dest, len, flags,
> + HIDMA_TRE_MEMCPY);
> +
> + /* Place descriptor in prepared list */
> + spin_lock_irqsave(&mchan->lock, irqflags);
> + list_add_tail(&mdesc->node, &mchan->prepared);
> + spin_unlock_irqrestore(&mchan->lock, irqflags);

This change looks suspicious, cna you clarify the need to do this?


--
~Vinod