Hi Alan,
On 26/02/20 2:41 am, Alan Mikhak wrote:
> @@ -380,6 +572,7 @@ static void pci_epf_test_unbind(struct pci_epf *epf)
> int bar;
>
> cancel_delayed_work(&epf_test->cmd_handler);
> + pci_epf_clean_dma_chan(epf_test);
> pci_epc_stop(epc);
> for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
> epf_bar = &epf->bar[bar];
> @@ -550,6 +743,12 @@ static int pci_epf_test_bind(struct pci_epf *epf)
> }
> }
>
> + epf_test->dma_supported = true;
> +
> + ret = pci_epf_init_dma_chan(epf_test);
> + if (ret)
> + epf_test->dma_supported = false;
> +
> if (linkup_notifier) {
> epf->nb.notifier_call = pci_epf_test_notifier;
> pci_epc_register_notifier(epc, &epf->nb);
>
> Hi Kishon,
>
> Looking forward to building and trying this patch series on
> a platform I work on.
>
> Would you please point me to where I can find the patches
> which add pci_epf_init_dma_chan() and pci_epf_clean_dma_chan()
> to Linux PCI Endpoint Framework?
I've added these functions in pci-epf-test itself instead of adding in
the core files. I realized adding it in core files may not be helpful if
the endpoint function decides to use more number of DMA channels etc.,
Thanks
Kishon
