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authorMika Westerberg <mika.westerberg@linux.intel.com>2019-12-17 15:33:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-18 15:34:23 +0100
commit386e5e29d81cd088a1111277a18f13d571a6cea5 (patch)
treea296f9a3d892d9dcff2d9f50e3e09a13cc1f3e5d /drivers/thunderbolt/switch.c
parent10e5e6c2496354f0afec82dba459339c421badbf (diff)
thunderbolt: Make tb_find_port() available to other files
We will be needing this when adding initial USB4 support so make it available to other files in the driver as well. We also rename it to tb_switch_find_port() to follow conventions used in switch.c. No functional changes. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Link: https://lore.kernel.org/r/20191217123345.31850-2-mika.westerberg@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/switch.c')
-rw-r--r--drivers/thunderbolt/switch.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index ca86a8e09c77..9c72521cb298 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -2517,6 +2517,24 @@ struct tb_switch *tb_switch_find_by_route(struct tb *tb, u64 route)
return NULL;
}
+/**
+ * tb_switch_find_port() - return the first port of @type on @sw or NULL
+ * @sw: Switch to find the port from
+ * @type: Port type to look for
+ */
+struct tb_port *tb_switch_find_port(struct tb_switch *sw,
+ enum tb_port_type type)
+{
+ struct tb_port *port;
+
+ tb_switch_for_each_port(sw, port) {
+ if (port->config.type == type)
+ return port;
+ }
+
+ return NULL;
+}
+
void tb_switch_exit(void)
{
ida_destroy(&nvm_ida);