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From:   Alan Mikhak <alan.mikhak@sifive.com>
To:     kishon@ti.com
Cc:     alan.mikhak@sifive.com, amurray@thegoodpenguin.co.uk,
        arnd@arndb.de, bhelgaas@google.com, gregkh@linuxfoundation.org,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        lorenzo.pieralisi@arm.com
Subject: [PATCH 1/5] PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data
Date:   Tue, 25 Feb 2020 13:11:07 -0800
Message-Id: <1582665067-20462-1-git-send-email-alan.mikhak@sifive.com>
In-Reply-To: <20200225091130.29467-1-kishon@ti.com>
References: <20200225091130.29467-1-kishon@ti.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

@@ -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?

Regards,
Alan Mikhak