treewide: Remove clk_free

This function is a no-op. Remove it.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20231216193843.2463779-3-seanga2@gmail.com
diff --git a/drivers/video/rockchip/rk3288_hdmi.c b/drivers/video/rockchip/rk3288_hdmi.c
index 327ae78..8bedee5 100644
--- a/drivers/video/rockchip/rk3288_hdmi.c
+++ b/drivers/video/rockchip/rk3288_hdmi.c
@@ -67,10 +67,8 @@
 	 * monitor wants
 	 */
 	ret = clk_get_by_index(uc_plat->src_dev, 0, &clk);
-	if (ret >= 0) {
+	if (ret >= 0)
 		ret = clk_set_rate(&clk, 384000000);
-		clk_free(&clk);
-	}
 	if (ret < 0) {
 		debug("%s: Failed to set clock in source device '%s': ret=%d\n",
 		      __func__, uc_plat->src_dev->name, ret);