OMAP: hwmod: Replace WARN by pr_warning if clock lookup failed

The WARN is a little bit too verbose and is not providing
usefull information in that case.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/omap_hwmod.c

@@ -411,9 +411,9 @@ static int _init_main_clk(struct omap_hwmod *oh)
 		return 0;
 
 	c = omap_clk_get_by_name(oh->main_clk);
-	WARN(!c, "omap_hwmod: %s: cannot clk_get main_clk %s\n",
-	     oh->name, oh->main_clk);
 	if (!c)
+		pr_warning("omap_hwmod: %s: cannot clk_get main_clk %s\n",
+			   oh->name, oh->main_clk);
 		ret = -EINVAL;
 	oh->_clk = c;
 
@@ -446,9 +446,9 @@ static int _init_interface_clks(struct omap_hwmod *oh)
 			continue;
 
 		c = omap_clk_get_by_name(os->clk);
-		WARN(!c, "omap_hwmod: %s: cannot clk_get interface_clk %s\n",
-		     oh->name, os->clk);
 		if (!c)
+			pr_warning("omap_hwmod: %s: cannot clk_get interface_clk %s\n",
+				   oh->name, os->clk);
 			ret = -EINVAL;
 		os->_clk = c;
 	}
@@ -472,9 +472,9 @@ static int _init_opt_clks(struct omap_hwmod *oh)
 
 	for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) {
 		c = omap_clk_get_by_name(oc->clk);
-		WARN(!c, "omap_hwmod: %s: cannot clk_get opt_clk %s\n",
-		     oh->name, oc->clk);
 		if (!c)
+			pr_warning("omap_hwmod: %s: cannot clk_get opt_clk %s\n",
+				   oh->name, oc->clk);
 			ret = -EINVAL;
 		oc->_clk = c;
 	}