Dear Doug,
在 2018年05月11日 04:59, Doug Anderson 写道:
Hi,
On Wed, May 9, 2018 at 1:55 AM, wlf wrote:
+ } else if (hsotg->params.host_dma) {
Are you sure this is "else if"? Can't you have descriptor DMA enabled
in the controller and still need to do a normal DMA transfer if you
plug in a
Hi,
On Wed, May 9, 2018 at 1:55 AM, wlf wrote:
> + } else if (hsotg->params.host_dma) {
Are you sure this is "else if"? Can't you have descriptor DMA enabled
in the controller and still need to do a normal DMA transfer if you
plug in a hub? Seems like this should b
Dear Doug,
在 2018年05月08日 23:29, Doug Anderson 写道:
Hi,
On Tue, May 8, 2018 at 12:43 AM, wlf wrote:
Dear Doug,
在 2018年05月08日 13:11, Doug Anderson 写道:
Hi,
On Mon, May 7, 2018 at 8:07 PM, William Wu
wrote:
+static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
+
Hi,
On Tue, May 8, 2018 at 12:43 AM, wlf wrote:
> Dear Doug,
>
> 在 2018年05月08日 13:11, Doug Anderson 写道:
>>
>> Hi,
>>
>> On Mon, May 7, 2018 at 8:07 PM, William Wu
>> wrote:
>>>
>>> +static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
>>> +
Dear Doug,
在 2018年05月08日 13:11, Doug Anderson 写道:
Hi,
On Mon, May 7, 2018 at 8:07 PM, William Wu wrote:
+static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
+ struct dwc2_qh *qh,
+ struct dwc
Hi,
On Mon, May 7, 2018 at 8:07 PM, William Wu wrote:
> +static int dwc2_alloc_split_dma_aligned_buf(struct dwc2_hsotg *hsotg,
> + struct dwc2_qh *qh,
> + struct dwc2_host_chan *chan)
> +{
> + if (!hsotg->un
The commit 3bc04e28a030 ("usb: dwc2: host: Get aligned DMA in
a more supported way") rips out a lot of code to simply the
allocation of aligned DMA. However, it also introduces a new
issue when use isoc split in transfer.
In my test case, I connect the dwc2 controller with an usb hs
Hub (GL852G-12
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