1 files changed, 12 insertions, 22 deletions

diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 68c77a911595..1b74d5ca03f3 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -13,6 +13,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
 #include <linux/of_platform.h>
@@ -30,8 +31,7 @@
 
 struct mpc52xx_psc_spi {
 	/* fsl_spi_platform data */
-	void (*activate_cs)(u8, u8);
-	void (*deactivate_cs)(u8, u8);
+	void (*cs_control)(struct spi_device *spi, bool on);
 	u32 sysclk;
 
 	/* driver internal data */
@@ -111,18 +111,16 @@ static void mpc52xx_psc_spi_activate_cs(struct spi_device *spi)
 	out_be16((u16 __iomem *)&psc->ccr, ccr);
 	mps->bits_per_word = cs->bits_per_word;
 
-	if (mps->activate_cs)
-		mps->activate_cs(spi->chip_select,
-				(spi->mode & SPI_CS_HIGH) ? 1 : 0);
+	if (mps->cs_control)
+		mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 1 : 0);
 }
 
 static void mpc52xx_psc_spi_deactivate_cs(struct spi_device *spi)
 {
 	struct mpc52xx_psc_spi *mps = spi_master_get_devdata(spi->master);
 
-	if (mps->deactivate_cs)
-		mps->deactivate_cs(spi->chip_select,
-				(spi->mode & SPI_CS_HIGH) ? 1 : 0);
+	if (mps->cs_control)
+		mps->cs_control(spi, (spi->mode & SPI_CS_HIGH) ? 0 : 1);
 }
 
 #define MPC52xx_PSC_BUFSIZE (MPC52xx_PSC_RFNUM_MASK + 1)
@@ -261,9 +259,6 @@ static void mpc52xx_psc_spi_work(struct work_struct *work)
 	spin_unlock_irq(&mps->lock);
 }
 
-/* the spi->mode bits understood by this driver: */
-#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST)
-
 static int mpc52xx_psc_spi_setup(struct spi_device *spi)
 {
 	struct mpc52xx_psc_spi *mps = spi_master_get_devdata(spi->master);
@@ -273,12 +268,6 @@ static int mpc52xx_psc_spi_setup(struct spi_device *spi)
 	if (spi->bits_per_word%8)
 		return -EINVAL;
 
-	if (spi->mode & ~MODEBITS) {
-		dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
-			spi->mode & ~MODEBITS);
-		return -EINVAL;
-	}
-
 	if (!cs) {
 		cs = kzalloc(sizeof *cs, GFP_KERNEL);
 		if (!cs)
@@ -385,18 +374,19 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr,
 	dev_set_drvdata(dev, master);
 	mps = spi_master_get_devdata(master);
 
+	/* the spi->mode bits understood by this driver: */
+	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
+
 	mps->irq = irq;
 	if (pdata == NULL) {
 		dev_warn(dev, "probe called without platform data, no "
-				"(de)activate_cs function will be called\n");
-		mps->activate_cs = NULL;
-		mps->deactivate_cs = NULL;
+				"cs_control function will be called\n");
+		mps->cs_control = NULL;
 		mps->sysclk = 0;
 		master->bus_num = bus_num;
 		master->num_chipselect = 255;
 	} else {
-		mps->activate_cs = pdata->activate_cs;
-		mps->deactivate_cs = pdata->deactivate_cs;
+		mps->cs_control = pdata->cs_control;
 		mps->sysclk = pdata->sysclk;
 		master->bus_num = pdata->bus_num;
 		master->num_chipselect = pdata->max_chipselect;