ARM: OMAP: omap_uwire: use arm_xor clock as functional clock

- the uwire module uses the arm_xor as functional clock, not the arm_per clock
- fix word size sanity check
Signed-off-by: Imre Deak <imre.deak@nokia.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>

drivers/spi/omap_uwire.c

@@ -335,9 +335,8 @@ static int uwire_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 	if (!bits)
 		bits = 8;
 
-	if (spi->bits_per_word > 16) {
-		pr_debug("%s: wordsize %d?\n", spi->dev.bus_id,
-				spi->bits_per_word);
+	if (bits > 16) {
+		pr_debug("%s: wordsize %d?\n", spi->dev.bus_id, bits);
 		status = -ENODEV;
 		goto done;
 	}
@@ -372,12 +371,12 @@ static int uwire_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 		hz = t->speed_hz;
 
 	if (!hz) {
-		pr_debug("%s: zero speed?\n", spi->dev.bus_id, hz);
+		pr_debug("%s: zero speed?\n", spi->dev.bus_id);
 		status = -EINVAL;
 		goto done;
 	}
 
-	/* F_INT = mpu_per_clk / DIV1 */
+	/* F_INT = mpu_xor_clk / DIV1 */
 	for (div1_idx = 0; div1_idx < 4; div1_idx++) {
 		switch (div1_idx) {
 		case 0:
@@ -434,7 +433,7 @@ static int uwire_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 		break;
 	}
 	omap_uwire_configure_mode(spi->chip_select, flags);
-	pr_debug("%s: uwire flags %02x, armper %lu KHz, SCK %lu KHz\n",
+	pr_debug("%s: uwire flags %02x, armxor %lu KHz, SCK %lu KHz\n",
 			__FUNCTION__, flags,
 			clk_get_rate(uwire->ck) / 1000,
 			rate / 1000);
@@ -483,9 +482,9 @@ static int uwire_probe(struct platform_device *pdev)
 	uwire = spi_master_get_devdata(master);
 	dev_set_drvdata(&pdev->dev, uwire);
 
-	uwire->ck = clk_get(&pdev->dev, "armper_ck");
+	uwire->ck = clk_get(&pdev->dev, "armxor_ck");
 	if (!uwire->ck || IS_ERR(uwire->ck)) {
-		dev_dbg(&pdev->dev, "no mpu_per_clk ?\n");
+		dev_dbg(&pdev->dev, "no mpu_xor_clk ?\n");
 		spi_master_put(master);
 		return -ENODEV;
 	}