X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fspi%2Fspi_s3c24xx_gpio.c;h=109d82c1abc05a9844578df75f72ad2f80af03ee;hb=8df042e85c4462f97be286ef0fd82a627f27e9c8;hp=0fa25e2e80fe556cbde8b1e01843f452129dfaea;hpb=b981d8b3f5e008ff10d993be633ad00564fc22cd;p=powerpc.git

diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index 0fa25e2e80..109d82c1ab 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -96,6 +96,7 @@ static void s3c2410_spigpio_chipselect(struct spi_device *dev, int value)
 
 static int s3c2410_spigpio_probe(struct platform_device *dev)
 {
+	struct s3c2410_spigpio_info *info;
 	struct spi_master	*master;
 	struct s3c2410_spigpio  *sp;
 	int ret;
@@ -113,10 +114,11 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 	platform_set_drvdata(dev, sp);
 
 	/* copy in the plkatform data */
-	sp->info = dev->dev.platform_data;
+	info = sp->info = dev->dev.platform_data;
 
 	/* setup spi bitbang adaptor */
 	sp->bitbang.master = spi_master_get(master);
+	sp->bitbang.master->bus_num = info->bus_num;
 	sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
 
 	sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;
@@ -124,13 +126,18 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 	sp->bitbang.txrx_word[SPI_MODE_2] = s3c2410_spigpio_txrx_mode2;
 	sp->bitbang.txrx_word[SPI_MODE_3] = s3c2410_spigpio_txrx_mode3;
 
-	/* set state of spi pins */
-	s3c2410_gpio_setpin(sp->info->pin_clk, 0);
-	s3c2410_gpio_setpin(sp->info->pin_mosi, 0);
+	/* set state of spi pins, always assume that the clock is
+	 * available, but do check the MOSI and MISO. */
+	s3c2410_gpio_setpin(info->pin_clk, 0);
+	s3c2410_gpio_cfgpin(info->pin_clk, S3C2410_GPIO_OUTPUT);
 
-	s3c2410_gpio_cfgpin(sp->info->pin_clk, S3C2410_GPIO_OUTPUT);
-	s3c2410_gpio_cfgpin(sp->info->pin_mosi, S3C2410_GPIO_OUTPUT);
-	s3c2410_gpio_cfgpin(sp->info->pin_miso, S3C2410_GPIO_INPUT);
+	if (info->pin_mosi < S3C2410_GPH10) {
+		s3c2410_gpio_setpin(info->pin_mosi, 0);
+		s3c2410_gpio_cfgpin(info->pin_mosi, S3C2410_GPIO_OUTPUT);
+	}
+
+	if (info->pin_miso != S3C2410_GPA0 && info->pin_miso < S3C2410_GPH10)
+		s3c2410_gpio_cfgpin(info->pin_miso, S3C2410_GPIO_INPUT);
 
 	ret = spi_bitbang_start(&sp->bitbang);
 	if (ret)