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From: Emmanuel Vadot <manu@FreeBSD.org>
Date: Mon, 7 May 2018 09:42:35 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r333320 - head/sys/dev/extres/clk
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Author: manu
Date: Mon May  7 09:42:35 2018
New Revision: 333320
URL: https://svnweb.freebsd.org/changeset/base/333320

Log:
  clk: clk_set_assigned: Skip frequency of value 0
  
  A frequency of value 0 mean that we don't want to change the frequency so
  skip it.

Modified:
  head/sys/dev/extres/clk/clk.c

Modified: head/sys/dev/extres/clk/clk.c
==============================================================================
--- head/sys/dev/extres/clk/clk.c	Mon May  7 07:31:25 2018	(r333319)
+++ head/sys/dev/extres/clk/clk.c	Mon May  7 09:42:35 2018	(r333320)
@@ -1350,7 +1350,7 @@ clk_set_assigned(device_t dev, phandle_t node)
 			clk_set_assigned_parent(dev, clk, i);
 
 		/* Then set a new frequency */
-		if (i <= nrates)
+		if (i <= nrates && rates[i] != 0)
 			clk_set_assigned_rates(dev, clk, rates[i]);
 
 		clk_release(clk);