ARM: OMAP: 24xx pinmux updates

[net-next-2.6.git] / arch / arm / plat-omap / mux.c

diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c
index 6c798d288688a8f3ef73ba39ce30106c3a1e1f9c..75211f20ccb3db11dc04347f991a30d82a5447a3 100644 (file)
--- 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);