thunderbolt: Make tb_switch_clx_is_supported() static

This function is not used outside of clx.c so make it static. No
functional changes.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

diff --git a/drivers/thunderbolt/clx.c b/drivers/thunderbolt/clx.c
index 13d217ae98e6b14c55e5d78b806e02cc8b18609b..c08b9cf0371e21ec76f51fc6eae371567c96c4e9 100644 (file)
--- a/drivers/thunderbolt/clx.c
+++ b/drivers/thunderbolt/clx.c
@@ -174,6 +174,28 @@ bool tb_port_clx_is_enabled(struct tb_port *port, unsigned int clx)
        return !!(tb_port_clx(port) & clx);
 }
 
+/**
+ * tb_switch_clx_is_supported() - Is CLx supported on this type of router
+ * @sw: The router to check CLx support for
+ */
+static bool tb_switch_clx_is_supported(const struct tb_switch *sw)
+{
+       if (!clx_enabled)
+               return false;
+
+       if (sw->quirks & QUIRK_NO_CLX)
+               return false;
+
+       /*
+        * CLx is not enabled and validated on Intel USB4 platforms
+        * before Alder Lake.
+        */
+       if (tb_switch_is_tiger_lake(sw))
+               return false;
+
+       return tb_switch_is_usb4(sw) || tb_switch_is_titan_ridge(sw);
+}
+
 /**
  * tb_switch_clx_init() - Initialize router CL states
  * @sw: Router
@@ -273,28 +295,6 @@ static int tb_switch_mask_clx_objections(struct tb_switch *sw)
                           sw->cap_lp + offset, ARRAY_SIZE(val));
 }
 
-/**
- * tb_switch_clx_is_supported() - Is CLx supported on this type of router
- * @sw: The router to check CLx support for
- */
-bool tb_switch_clx_is_supported(const struct tb_switch *sw)
-{
-       if (!clx_enabled)
-               return false;
-
-       if (sw->quirks & QUIRK_NO_CLX)
-               return false;
-
-       /*
-        * CLx is not enabled and validated on Intel USB4 platforms
-        * before Alder Lake.
-        */
-       if (tb_switch_is_tiger_lake(sw))
-               return false;
-
-       return tb_switch_is_usb4(sw) || tb_switch_is_titan_ridge(sw);
-}
-
 static bool validate_mask(unsigned int clx)
 {
        /* Previous states need to be enabled */

diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 06046f8ce50ce5d53d20c93b9bf223473399920a..6f15b3a3e990b03e12e1244541ff58c30ded25a9 100644 (file)
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1001,7 +1001,6 @@ static inline bool tb_switch_tmu_is_enabled(const struct tb_switch *sw)
 bool tb_port_clx_is_enabled(struct tb_port *port, unsigned int clx);
 
 int tb_switch_clx_init(struct tb_switch *sw);
-bool tb_switch_clx_is_supported(const struct tb_switch *sw);
 int tb_switch_clx_enable(struct tb_switch *sw, unsigned int clx);
 int tb_switch_clx_disable(struct tb_switch *sw);