diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 44a2b46..df64200 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -123,6 +123,7 @@
 }
 
 #define MPC83XX_SPI_RX_BUF(type) 					  \
+static									  \
 void mpc83xx_spi_rx_buf_##type(u32 data, struct mpc83xx_spi *mpc83xx_spi) \
 {									  \
 	type * rx = mpc83xx_spi->rx;					  \
@@ -131,6 +132,7 @@
 }
 
 #define MPC83XX_SPI_TX_BUF(type)				\
+static								\
 u32 mpc83xx_spi_tx_buf_##type(struct mpc83xx_spi *mpc83xx_spi)	\
 {								\
 	u32 data;						\
@@ -172,7 +174,7 @@
 
 		if (cs->hw_mode != regval) {
 			unsigned long flags;
-			void *tmp_ptr = &mpc83xx_spi->base->mode;
+			__be32 __iomem *mode = &mpc83xx_spi->base->mode;
 
 			regval = cs->hw_mode;
 			/* Turn off IRQs locally to minimize time that
@@ -180,8 +182,8 @@
 			 */
 			local_irq_save(flags);
 			/* Turn off SPI unit prior changing mode */
-			mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
-			mpc83xx_spi_write_reg(tmp_ptr, regval);
+			mpc83xx_spi_write_reg(mode, regval & ~SPMODE_ENABLE);
+			mpc83xx_spi_write_reg(mode, regval);
 			local_irq_restore(flags);
 		}
 		if (mpc83xx_spi->activate_cs)
@@ -284,7 +286,7 @@
 	regval =  mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
 	if (cs->hw_mode != regval) {
 		unsigned long flags;
-		void *tmp_ptr = &mpc83xx_spi->base->mode;
+		__be32 __iomem *mode = &mpc83xx_spi->base->mode;
 
 		regval = cs->hw_mode;
 		/* Turn off IRQs locally to minimize time
@@ -292,8 +294,8 @@
 		 */
 		local_irq_save(flags);
 		/* Turn off SPI unit prior changing mode */
-		mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
-		mpc83xx_spi_write_reg(tmp_ptr, regval);
+		mpc83xx_spi_write_reg(mode, regval & ~SPMODE_ENABLE);
+		mpc83xx_spi_write_reg(mode, regval);
 		local_irq_restore(flags);
 	}
 	return 0;
@@ -483,7 +485,7 @@
 	return 0;
 }
 
-irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data)
+static irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data)
 {
 	struct mpc83xx_spi *mpc83xx_spi = context_data;
 	u32 event;