Blackfin SPI Driver: pass DMA overflow error to the higher level

[safe/jmp/linux-2.6] / drivers / spi / spi_s3c24xx_gpio.c

diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index d59105d..f2447a5 100644 (file)
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -21,9 +21,9 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
 
-#include <asm/arch/regs-gpio.h>
-#include <asm/arch/spi-gpio.h>
-#include <asm/hardware.h>
+#include <mach/regs-gpio.h>
+#include <mach/spi-gpio.h>
+#include <mach/hardware.h>
 
 struct s3c2410_spigpio {
        struct spi_bitbang               bitbang;
@@ -34,7 +34,7 @@ struct s3c2410_spigpio {
 
 static inline struct s3c2410_spigpio *spidev_to_sg(struct spi_device *spi)
 {
-       return spi->controller_data;
+       return spi_master_get_devdata(spi->master);
 }
 
 static inline void setsck(struct spi_device *dev, int on)
@@ -100,7 +100,6 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
        struct spi_master       *master;
        struct s3c2410_spigpio  *sp;
        int ret;
-       int i;
 
        master = spi_alloc_master(&dev->dev, sizeof(struct s3c2410_spigpio));
        if (master == NULL) {
@@ -118,6 +117,8 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
 
        /* setup spi bitbang adaptor */
        sp->bitbang.master = spi_master_get(master);
+       sp->bitbang.master->bus_num = info->bus_num;
+       sp->bitbang.master->num_chipselect = info->num_chipselect;
        sp->bitbang.chipselect = s3c2410_spigpio_chipselect;
 
        sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;
@@ -142,17 +143,6 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
        if (ret)
                goto err_no_bitbang;
 
-       /* register the chips to go with the board */
-
-       for (i = 0; i < sp->info->board_size; i++) {
-               dev_info(&dev->dev, "registering %p: %s\n",
-                        &sp->info->board_info[i],
-                        sp->info->board_info[i].modalias);
-
-               sp->info->board_info[i].controller_data = sp;
-               spi_new_device(master, sp->info->board_info + i);
-       }
-
        return 0;
 
  err_no_bitbang:
@@ -179,6 +169,8 @@ static int s3c2410_spigpio_remove(struct platform_device *dev)
 #define s3c2410_spigpio_suspend NULL
 #define s3c2410_spigpio_resume NULL
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:spi_s3c24xx_gpio");
 
 static struct platform_driver s3c2410_spigpio_drv = {
        .probe          = s3c2410_spigpio_probe,