diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 66b02ab00b19..d9a503974d52 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -69,18 +69,10 @@ struct omap_mbox_fifo {
 	unsigned long msg;
 	unsigned long fifo_stat;
 	unsigned long msg_stat;
-};
-
-struct omap_mbox_priv {
-	struct omap_mbox_fifo tx_fifo;
-	struct omap_mbox_fifo rx_fifo;
 	unsigned long irqenable;
 	unsigned long irqstatus;
-	u32 newmsg_bit;
-	u32 notfull_bit;
-	u32 ctx[OMAP4_MBOX_NR_REGS];
 	unsigned long irqdisable;
-	u32 intr_type;
+	u32 intr_bit;
 };
 
 struct omap_mbox_queue {
@@ -97,7 +89,10 @@ struct omap_mbox {
 	int			irq;
 	struct omap_mbox_queue	*txq, *rxq;
 	struct device		*dev;
-	void			*priv;
+	struct omap_mbox_fifo	tx_fifo;
+	struct omap_mbox_fifo	rx_fifo;
+	u32			ctx[OMAP4_MBOX_NR_REGS];
+	u32			intr_type;
 	int			use_count;
 	struct blocking_notifier_head	notifier;
 };
@@ -124,50 +119,52 @@ static inline void mbox_write_reg(u32 val, size_t ofs)
 /* Mailbox FIFO handle functions */
 static mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
 {
-	struct omap_mbox_fifo *fifo =
-		&((struct omap_mbox_priv *)mbox->priv)->rx_fifo;
+	struct omap_mbox_fifo *fifo = &mbox->rx_fifo;
 	return (mbox_msg_t) mbox_read_reg(fifo->msg);
 }
 
 static void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
 {
-	struct omap_mbox_fifo *fifo =
-		&((struct omap_mbox_priv *)mbox->priv)->tx_fifo;
+	struct omap_mbox_fifo *fifo = &mbox->tx_fifo;
 	mbox_write_reg(msg, fifo->msg);
 }
 
 static int mbox_fifo_empty(struct omap_mbox *mbox)
 {
-	struct omap_mbox_fifo *fifo =
-		&((struct omap_mbox_priv *)mbox->priv)->rx_fifo;
+	struct omap_mbox_fifo *fifo = &mbox->rx_fifo;
 	return (mbox_read_reg(fifo->msg_stat) == 0);
 }
 
 static int mbox_fifo_full(struct omap_mbox *mbox)
 {
-	struct omap_mbox_fifo *fifo =
-		&((struct omap_mbox_priv *)mbox->priv)->tx_fifo;
+	struct omap_mbox_fifo *fifo = &mbox->tx_fifo;
 	return mbox_read_reg(fifo->fifo_stat);
 }
 
 /* Mailbox IRQ handle functions */
 static void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	struct omap_mbox_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqstatus = fifo->irqstatus;
 
-	mbox_write_reg(bit, p->irqstatus);
+	mbox_write_reg(bit, irqstatus);
 
 	/* Flush posted write for irq status to avoid spurious interrupts */
-	mbox_read_reg(p->irqstatus);
+	mbox_read_reg(irqstatus);
 }
 
 static int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	struct omap_mbox_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-	u32 enable = mbox_read_reg(p->irqenable);
-	u32 status = mbox_read_reg(p->irqstatus);
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqenable = fifo->irqenable;
+	u32 irqstatus = fifo->irqstatus;
+
+	u32 enable = mbox_read_reg(irqenable);
+	u32 status = mbox_read_reg(irqstatus);
 
 	return (int)(enable & status & bit);
 }
@@ -206,18 +203,17 @@ EXPORT_SYMBOL(omap_mbox_msg_send);
 void omap_mbox_save_ctx(struct omap_mbox *mbox)
 {
 	int i;
-	struct omap_mbox_priv *p = mbox->priv;
 	int nr_regs;
 
-	if (p->intr_type)
+	if (mbox->intr_type)
 		nr_regs = OMAP4_MBOX_NR_REGS;
 	else
 		nr_regs = MBOX_NR_REGS;
 	for (i = 0; i < nr_regs; i++) {
-		p->ctx[i] = mbox_read_reg(i * sizeof(u32));
+		mbox->ctx[i] = mbox_read_reg(i * sizeof(u32));
 
 		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
-			i, p->ctx[i]);
+			i, mbox->ctx[i]);
 	}
 }
 EXPORT_SYMBOL(omap_mbox_save_ctx);
@@ -225,46 +221,50 @@ EXPORT_SYMBOL(omap_mbox_save_ctx);
 void omap_mbox_restore_ctx(struct omap_mbox *mbox)
 {
 	int i;
-	struct omap_mbox_priv *p = mbox->priv;
 	int nr_regs;
 
-	if (p->intr_type)
+	if (mbox->intr_type)
 		nr_regs = OMAP4_MBOX_NR_REGS;
 	else
 		nr_regs = MBOX_NR_REGS;
 	for (i = 0; i < nr_regs; i++) {
-		mbox_write_reg(p->ctx[i], i * sizeof(u32));
+		mbox_write_reg(mbox->ctx[i], i * sizeof(u32));
 
 		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
-			i, p->ctx[i]);
+			i, mbox->ctx[i]);
 	}
 }
 EXPORT_SYMBOL(omap_mbox_restore_ctx);
 
 void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	struct omap_mbox_priv *p = mbox->priv;
-	u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
+	u32 l;
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqenable = fifo->irqenable;
 
-	l = mbox_read_reg(p->irqenable);
+	l = mbox_read_reg(irqenable);
 	l |= bit;
-	mbox_write_reg(l, p->irqenable);
+	mbox_write_reg(l, irqenable);
 }
 EXPORT_SYMBOL(omap_mbox_enable_irq);
 
 void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
 {
-	struct omap_mbox_priv *p = mbox->priv;
-	u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
+	struct omap_mbox_fifo *fifo = (irq == IRQ_TX) ?
+				&mbox->tx_fifo : &mbox->rx_fifo;
+	u32 bit = fifo->intr_bit;
+	u32 irqdisable = fifo->irqdisable;
 
 	/*
 	 * Read and update the interrupt configuration register for pre-OMAP4.
 	 * OMAP4 and later SoCs have a dedicated interrupt disabling register.
 	 */
-	if (!p->intr_type)
-		bit = mbox_read_reg(p->irqdisable) & ~bit;
+	if (!mbox->intr_type)
+		bit = mbox_read_reg(irqdisable) & ~bit;
 
-	mbox_write_reg(bit, p->irqdisable);
+	mbox_write_reg(bit, irqdisable);
 }
 EXPORT_SYMBOL(omap_mbox_disable_irq);
 
@@ -548,9 +548,9 @@ static int omap_mbox_probe(struct platform_device *pdev)
 	struct resource *mem;
 	int ret;
 	struct omap_mbox **list, *mbox, *mboxblk;
-	struct omap_mbox_priv *priv, *privblk;
 	struct omap_mbox_pdata *pdata = pdev->dev.platform_data;
 	struct omap_mbox_dev_info *info;
+	struct omap_mbox_fifo *fifo;
 	u32 intr_type;
 	u32 l;
 	int i;
@@ -571,28 +571,28 @@ static int omap_mbox_probe(struct platform_device *pdev)
 	if (!mboxblk)
 		return -ENOMEM;
 
-	privblk = devm_kzalloc(&pdev->dev, pdata->info_cnt * sizeof(*priv),
-			       GFP_KERNEL);
-	if (!privblk)
-		return -ENOMEM;
-
 	info = pdata->info;
 	intr_type = pdata->intr_type;
 	mbox = mboxblk;
-	priv = privblk;
-	for (i = 0; i < pdata->info_cnt; i++, info++, priv++) {
-		priv->tx_fifo.msg = MAILBOX_MESSAGE(info->tx_id);
-		priv->tx_fifo.fifo_stat = MAILBOX_FIFOSTATUS(info->tx_id);
-		priv->rx_fifo.msg =  MAILBOX_MESSAGE(info->rx_id);
-		priv->rx_fifo.msg_stat =  MAILBOX_MSGSTATUS(info->rx_id);
-		priv->notfull_bit = MAILBOX_IRQ_NOTFULL(info->tx_id);
-		priv->newmsg_bit = MAILBOX_IRQ_NEWMSG(info->rx_id);
-		priv->irqenable = MAILBOX_IRQENABLE(intr_type, info->usr_id);
-		priv->irqstatus = MAILBOX_IRQSTATUS(intr_type, info->usr_id);
-		priv->irqdisable = MAILBOX_IRQDISABLE(intr_type, info->usr_id);
-		priv->intr_type = intr_type;
+	for (i = 0; i < pdata->info_cnt; i++, info++) {
+		fifo = &mbox->tx_fifo;
+		fifo->msg = MAILBOX_MESSAGE(info->tx_id);
+		fifo->fifo_stat = MAILBOX_FIFOSTATUS(info->tx_id);
+		fifo->intr_bit = MAILBOX_IRQ_NOTFULL(info->tx_id);
+		fifo->irqenable = MAILBOX_IRQENABLE(intr_type, info->usr_id);
+		fifo->irqstatus = MAILBOX_IRQSTATUS(intr_type, info->usr_id);
+		fifo->irqdisable = MAILBOX_IRQDISABLE(intr_type, info->usr_id);
+
+		fifo = &mbox->rx_fifo;
+		fifo->msg =  MAILBOX_MESSAGE(info->rx_id);
+		fifo->msg_stat =  MAILBOX_MSGSTATUS(info->rx_id);
+		fifo->intr_bit = MAILBOX_IRQ_NEWMSG(info->rx_id);
+		fifo->irqenable = MAILBOX_IRQENABLE(intr_type, info->usr_id);
+		fifo->irqstatus = MAILBOX_IRQSTATUS(intr_type, info->usr_id);
+		fifo->irqdisable = MAILBOX_IRQDISABLE(intr_type, info->usr_id);
+
+		mbox->intr_type = intr_type;
 
-		mbox->priv = priv;
 		mbox->name = info->name;
 		mbox->irq = platform_get_irq(pdev, info->irq_id);
 		if (mbox->irq < 0)