[ARM] Allow MTD device name to be passed via platform data

Allow SA1100 devices to pass the name of the flash device to the
SA1100 map driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 7 insertions, 3 deletions

diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 93619497779c..f94b0fbcdcc8 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -23,6 +23,7 @@
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/mach/map.h>
+#include <asm/mach/flash.h>
 #include <asm/irq.h>
 
 #include "generic.h"
@@ -283,6 +284,7 @@ static struct platform_device sa11x0mtd_device = {
 void sa11x0_set_flash_data(struct flash_platform_data *flash,
                            struct resource *res, int nr)
 {
+        flash->name = "sa1100";
         sa11x0mtd_device.dev.platform_data = flash;
         sa11x0mtd_device.resource = res;
         sa11x0mtd_device.num_resources = nr;
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index c38c2c311b8e..acf01ef9b575 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -301,7 +301,7 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat)
                         break;
 
                 subdev->map.name = subdev->name;
-                sprintf(subdev->name, "sa1100-%d", i);
+                sprintf(subdev->name, "%s-%d", plat->name, i);
                 subdev->plat = plat;
 
                 ret = sa1100_probe_subdev(subdev, res);
@@ -323,7 +323,7 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat)
          * otherwise fail.  Either way, it'll be called "sa1100".
          */
         if (info->num_subdev == 1) {
-                strcpy(info->subdev[0].name, "sa1100");
+                strcpy(info->subdev[0].name, plat->name);
                 info->mtd = info->subdev[0].mtd;
                 ret = 0;
         } else if (info->num_subdev > 1) {
@@ -336,7 +336,7 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat)
                         cdev[i] = info->subdev[i].mtd;
 
                 info->mtd = mtd_concat_create(cdev, info->num_subdev,
-                                              "sa1100");
+                                              plat->name);
                 if (info->mtd == NULL)
                         ret = -ENXIO;
 #else
diff --git a/include/asm-arm/mach/flash.h b/include/asm-arm/mach/flash.h
index a92887d4b2cb..cd57436d9874 100644
--- a/include/asm-arm/mach/flash.h
+++ b/include/asm-arm/mach/flash.h
@@ -14,6 +14,7 @@ struct mtd_partition;
 
 /*
  * map_name:    the map probe function name
+ * name:        flash device name (eg, as used with mtdparts=)
  * width:       width of mapped device
  * init:        method called at driver/device initialisation
  * exit:        method called at driver/device removal
@@ -23,6 +24,7 @@ struct mtd_partition;
  */
 struct flash_platform_data {
         const char      *map_name;
+        const char      *name;
         unsigned int    width;
         int             (*init)(void);
         void            (*exit)(void);