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/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 5fc7afb..fedcf78 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -90,7 +90,7 @@
 	ret = clk_enable(&plat->clk);
 	if (ret) {
 		dev_err(dev, "Failed to enable USB3 clock\n");
-		goto err_clk;
+		return ret;
 	}
 
 	ctx->hcd = (struct xhci_hccr *)plat->hcd_base;
@@ -114,8 +114,6 @@
 
 err_fw:
 	clk_disable(&plat->clk);
-err_clk:
-	clk_free(&plat->clk);
 	return ret;
 }
 
@@ -127,7 +125,6 @@
 	ret = xhci_deregister(dev);
 
 	clk_disable(&plat->clk);
-	clk_free(&plat->clk);
 
 	return ret;
 }