svn commit: r321941 - head/sys/arm/allwinner/clk

[Emmanuel Vadot]

Author: manu
Date: Wed Aug  2 20:17:04 2017
New Revision: 321941
URL: https://svnweb.freebsd.org/changeset/base/321941

Log:
  allwiner: modclk: Do not try to enable parent clock if it doesn't exist

Modified:
  head/sys/arm/allwinner/clk/aw_modclk.c

Modified: head/sys/arm/allwinner/clk/aw_modclk.c
==============================================================================
--- head/sys/arm/allwinner/clk/aw_modclk.c	Wed Aug  2 19:53:43 2017	(r321940)
+++ head/sys/arm/allwinner/clk/aw_modclk.c	Wed Aug  2 20:17:04 2017	(r321941)
@@ -89,7 +89,10 @@ aw_modclk_init(struct clknode *clk, device_t dev)
 
 	index = (val & CLK_SRC_SEL) >> CLK_SRC_SEL_SHIFT;
 
-	clknode_init_parent_idx(clk, index);
+	if (index <= clknode_get_parents_num(clk))
+		clknode_init_parent_idx(clk, index);
+	else
+		clknode_init_parent_idx(clk, 0);
 	return (0);
 }