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-rw-r--r--drivers/thunderbolt/tb.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 5b5ba8919086..260360ec59a9 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -350,6 +350,11 @@ static inline bool tb_port_has_remote(const struct tb_port *port)
return true;
}
+static inline bool tb_port_is_null(const struct tb_port *port)
+{
+ return port && port->port && port->config.type == TB_TYPE_PORT;
+}
+
static inline bool tb_port_is_pcie_down(const struct tb_port *port)
{
return port && port->config.type == TB_TYPE_PCIE_DOWN;