[PATCH v2 06/18] PCI: endpoint: test: Implement link_down event operation

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Implement the link_down event operation to stop the command execution
delayed work when the endpoint controller notifies a link down event.

Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
---
 drivers/pci/endpoint/functions/pci-epf-test.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index ab40c3182677..e6d4e1747c9f 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -824,9 +824,19 @@ static int pci_epf_test_link_up(struct pci_epf *epf)
 	return 0;
 }
 
+static int pci_epf_test_link_down(struct pci_epf *epf)
+{
+	struct pci_epf_test *epf_test = epf_get_drvdata(epf);
+
+	cancel_delayed_work_sync(&epf_test->cmd_handler);
+
+	return 0;
+}
+
 static const struct pci_epc_event_ops pci_epf_test_event_ops = {
 	.core_init = pci_epf_test_core_init,
 	.link_up = pci_epf_test_link_up,
+	.link_down = pci_epf_test_link_down,
 };
 
 static int pci_epf_test_alloc_space(struct pci_epf *epf)
-- 
2.44.0





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