X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fplat-omap%2Fmux.c;h=75211f20ccb3db11dc04347f991a30d82a5447a3;hb=65a6ec0d72a07f16719e9b7a96e1c4bae044b591;hp=6c798d288688a8f3ef73ba39ce30106c3a1e1f9c;hpb=eb9c4f2ef7150ea2144b53811d1cf555d8e27f69;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c
index 6c798d28868..75211f20ccb 100644
--- a/arch/arm/plat-omap/mux.c
+++ b/arch/arm/plat-omap/mux.c
@@ -83,10 +83,21 @@ int __init_or_module omap_cfg_reg(const unsigned long index)
 			reg |= OMAP24XX_PULL_ENA;
 		if(cfg->pu_pd_val)
 			reg |= OMAP24XX_PULL_UP;
-#ifdef CONFIG_OMAP_MUX_DEBUG
-		printk("Muxing %s (0x%08x): 0x%02x -> 0x%02x\n",
-		       cfg->name, OMAP24XX_L4_BASE + cfg->mux_reg,
-		       omap_readb(OMAP24XX_L4_BASE + cfg->mux_reg), reg);
+#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS)
+		{
+			u8 orig = omap_readb(OMAP24XX_L4_BASE + cfg->mux_reg);
+			u8 debug = 0;
+
+#ifdef	CONFIG_OMAP_MUX_DEBUG
+			debug = cfg->debug;
+#endif
+			warn = (orig != reg);
+			if (debug || warn)
+				printk("MUX: setup %s (0x%08x): 0x%02x -> 0x%02x\n",
+						cfg->name,
+						OMAP24XX_L4_BASE + cfg->mux_reg,
+						orig, reg);
+		}
 #endif
 		omap_writeb(reg, OMAP24XX_L4_BASE + cfg->mux_reg);