On Sun, Jul 24, 2016 at 12:31 AM, Vinod Koul <vinod.k...@intel.com> wrote:
> On Wed, Jul 20, 2016 at 08:53:06PM -0700, John Stultz wrote:
>
>> ds = kzalloc(sizeof(*ds) + num * sizeof(ds->desc_hw[0]), GFP_ATOMIC);
>> - if (!ds) {
>> - dev_dbg(chan->device->dev, "vchan %p: kzalloc fail\n", &c->vc);
>> + if (!ds)
>
> This is an unrelated change
Ack. And Its fallen out with recent changes in 4.8-rc
>> +
>> + ds = kzalloc(sizeof(*ds) + num * sizeof(ds->desc_hw[0]), GFP_ATOMIC);
>
> we should use GFP_NOWAIT. And looks like driver doesn't use GFP_NOWAIT< so
> you may fix that up as well
Done.
>> + if (!ds)
>> + return NULL;
>> +
>> + ds->desc_hw_lli = __virt_to_phys((unsigned long)&ds->desc_hw[0]);
>
> why no dma_map_single(()?
>
> Also __api is internal APIs, driver should not use them. Why not plain
> virt_to_phys()
Right. This is reworked by one of the following patches, but I
reordered things in my tree so those fixes land before we add the
cyclic feature.
I'll resend after the merge-window is over (unless you'd like to see it sooner).
thanks
-john
