tools: PCI: Add a missing option help line

Add a missing option help line for performing legacy interrupt test.

Signed-off-by: Stan Drozd <drozdziak1@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index ad54a58d7dda0e82f3bb46f95e6a5f9af8c9a42e..9074b477bff0fad4dfddf71a85b2b51bd0003114 100644 (file)
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -173,6 +173,7 @@ usage:
                        "\t-D <dev>             PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
                        "\t-b <bar num>         BAR test (bar number between 0..5)\n"
                        "\t-m <msi num>         MSI test (msi number between 1..32)\n"
+                       "\t-l                   Legacy IRQ test\n"
                        "\t-r                   Read buffer test\n"
                        "\t-w                   Write buffer test\n"
                        "\t-c                   Copy buffer test\n"