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 [thread overview]
Message-ID: <1582665067-20462-1-git-send-email-alan.mikhak@sifive.com> (raw)
In-Reply-To: <20200225091130.29467-1-kishon@ti.com>
@@ -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
next prev parent reply other threads:[~2020-02-25 21:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 9:11 [PATCH 0/5] PCI: functions/pci-epf-test: Add DMA data transfer Kishon Vijay Abraham I
2020-02-25 9:11 ` [PATCH 1/5] PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data Kishon Vijay Abraham I
2020-02-25 9:11 ` [PATCH 2/5] PCI: endpoint: functions/pci-epf-test: Print throughput information Kishon Vijay Abraham I
2020-02-25 9:11 ` [PATCH 3/5] misc: pci_endpoint_test: Use streaming DMA APIs for buffer allocation Kishon Vijay Abraham I
2020-02-25 9:11 ` [PATCH 4/5] tools: PCI: Add 'd' command line option to support DMA Kishon Vijay Abraham I
2020-02-25 9:11 ` [PATCH 5/5] misc: pci_endpoint_test: Add support to get DMA option from userspace Kishon Vijay Abraham I
2020-02-25 21:11 ` Alan Mikhak [this message]
2020-02-26 5:09 ` [PATCH 1/5] PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data Kishon Vijay Abraham I
2020-02-26 17:39 ` Alan Mikhak
2020-03-03 23:57 ` Alan Mikhak
2020-03-04 5:15 ` Kishon Vijay Abraham I
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