omap: mailbox: trivial cleanups

And fix a few compilation warnings.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

arch/arm/mach-omap1/devices.c

@@ -73,12 +73,10 @@ static inline void omap_init_rtc(void) {}
 #  define INT_DSP_MAILBOX1	INT_1610_DSP_MAILBOX1
 #endif
 
-#define OMAP1_MBOX_BASE		OMAP16XX_MAILBOX_BASE
-
 static struct resource mbox_resources[] = {
 	{
-		.start		= OMAP1_MBOX_BASE,
-		.end		= OMAP1_MBOX_BASE + OMAP1_MBOX_SIZE,
+		.start		= OMAP16XX_MAILBOX_BASE,
+		.end		= OMAP16XX_MAILBOX_BASE + OMAP1_MBOX_SIZE,
 		.flags		= IORESOURCE_MEM,
 	},
 	{

arch/arm/mach-omap1/mailbox.c

@@ -83,7 +83,7 @@ static int omap1_mbox_fifo_full(struct omap_mbox *mbox)
 	struct omap_mbox1_fifo *fifo =
 		&((struct omap_mbox1_priv *)mbox->priv)->rx_fifo;
 
-	return (mbox_read_reg(fifo->flag));
+	return mbox_read_reg(fifo->flag);
 }
 
 /* irq */

arch/arm/mach-omap2/mailbox.c

@@ -131,7 +131,7 @@ static int omap2_mbox_startup(struct omap_mbox *mbox)
 	}
 
 	l = mbox_read_reg(MAILBOX_REVISION);
-	pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
+	pr_debug("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
 
 	if (cpu_is_omap44xx())
 		l = OMAP4_SMARTIDLE;
@@ -300,8 +300,6 @@ static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
 	.irqdisable	= MAILBOX_IRQENABLE(0),
 };
 
-
-
 /* OMAP4 specific data structure. Use the cpu_is_omap4xxx()
 to use this*/
 static struct omap_mbox2_priv omap2_mbox_1_priv = {
@@ -357,7 +355,6 @@ struct omap_mbox mbox_2_info = {
 };
 EXPORT_SYMBOL(mbox_2_info);
 
-
 #if defined(CONFIG_ARCH_OMAP2420) /* IVA */
 static struct omap_mbox2_priv omap2_mbox_iva_priv = {
 	.tx_fifo = {
@@ -443,6 +440,11 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 #endif
 	return 0;
 
+#if defined(CONFIG_ARCH_OMAP2420) /* IVA */
+err_iva1:
+	omap_mbox_unregister(&mbox_dsp_info);
+#endif
+
 err_dsp:
 	iounmap(mbox_base);
 	return ret;