6 files changed, 137 insertions, 224 deletions

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index a592fc04cf78..12c253664eb2 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -110,13 +110,6 @@ config MTD_SUN_UFLASH
           Sun Microsystems boardsets.  This driver will require CFI support
           in the kernel, so if you did not enable CFI previously, do that now.
 
-config MTD_PNC2000
-        tristate "CFI Flash device mapped on Photron PNC-2000"
-        depends on X86 && MTD_CFI && MTD_PARTITIONS
-        help
-          PNC-2000 is the name of Network Camera product from PHOTRON
-          Ltd. in Japan. It uses CFI-compliant flash.
-
 config MTD_SC520CDP
         tristate "CFI Flash device mapped on AMD SC520 CDP"
         depends on X86 && MTD_CFI && MTD_CONCAT
@@ -576,7 +569,7 @@ config MTD_BAST_MAXSIZE
         default "4"
 
 config MTD_SHARP_SL
-        bool "ROM mapped on Sharp SL Series"
+        tristate "ROM mapped on Sharp SL Series"
         depends on ARCH_PXA
         help
           This enables access to the flash chip on the Sharp SL Series of PDAs.
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 316382a1401b..a9cbe80f99a0 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -28,7 +28,6 @@ obj-$(CONFIG_MTD_PHYSMAP)	+= physmap.o
 obj-$(CONFIG_MTD_PHYSMAP_OF)    += physmap_of.o
 obj-$(CONFIG_MTD_PMC_MSP_EVM)   += pmcmsp-flash.o
 obj-$(CONFIG_MTD_PMC_MSP_RAMROOT)+= pmcmsp-ramroot.o
-obj-$(CONFIG_MTD_PNC2000)       += pnc2000.o
 obj-$(CONFIG_MTD_PCMCIA)        += pcmciamtd.o
 obj-$(CONFIG_MTD_RPXLITE)       += rpxlite.o
 obj-$(CONFIG_MTD_TQM8XXL)       += tqm8xxl.o
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 28c5ffd75233..f00e04efbe28 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -20,11 +20,15 @@
 #include <linux/mtd/map.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/concat.h>
 #include <asm/io.h>
 
+#define MAX_RESOURCES           4
+
 struct physmap_flash_info {
-        struct mtd_info         *mtd;
-        struct map_info         map;
+        struct mtd_info         *mtd[MAX_RESOURCES];
+        struct mtd_info         *cmtd;
+        struct map_info         map[MAX_RESOURCES];
         struct resource         *res;
 #ifdef CONFIG_MTD_PARTITIONS
         int                     nr_parts;
@@ -32,11 +36,11 @@ struct physmap_flash_info {
 #endif
 };
 
-
 static int physmap_flash_remove(struct platform_device *dev)
 {
         struct physmap_flash_info *info;
         struct physmap_flash_data *physmap_data;
+        int i;
 
         info = platform_get_drvdata(dev);
         if (info == NULL)
@@ -45,24 +49,33 @@ static int physmap_flash_remove(struct platform_device *dev)
 
         physmap_data = dev->dev.platform_data;
 
-        if (info->mtd != NULL) {
+#ifdef CONFIG_MTD_CONCAT
+        if (info->cmtd != info->mtd[0]) {
+                del_mtd_device(info->cmtd);
+                mtd_concat_destroy(info->cmtd);
+        }
+#endif
+
+        for (i = 0; i < MAX_RESOURCES; i++) {
+                if (info->mtd[i] != NULL) {
 #ifdef CONFIG_MTD_PARTITIONS
-                if (info->nr_parts) {
-                        del_mtd_partitions(info->mtd);
-                        kfree(info->parts);
-                } else if (physmap_data->nr_parts) {
-                        del_mtd_partitions(info->mtd);
-                } else {
-                        del_mtd_device(info->mtd);
-                }
+                        if (info->nr_parts) {
+                                del_mtd_partitions(info->mtd[i]);
+                                kfree(info->parts);
+                        } else if (physmap_data->nr_parts) {
+                                del_mtd_partitions(info->mtd[i]);
+                        } else {
+                                del_mtd_device(info->mtd[i]);
+                        }
 #else
-                del_mtd_device(info->mtd);
+                        del_mtd_device(info->mtd[i]);
 #endif
-                map_destroy(info->mtd);
-        }
+                        map_destroy(info->mtd[i]);
+                }
 
-        if (info->map.virt != NULL)
-                iounmap(info->map.virt);
+                if (info->map[i].virt != NULL)
+                        iounmap(info->map[i].virt);
+        }
 
         if (info->res != NULL) {
                 release_resource(info->res);
@@ -82,16 +95,14 @@ static int physmap_flash_probe(struct platform_device *dev)
         struct physmap_flash_data *physmap_data;
         struct physmap_flash_info *info;
         const char **probe_type;
-        int err;
+        int err = 0;
+        int i;
+        int devices_found = 0;
 
         physmap_data = dev->dev.platform_data;
         if (physmap_data == NULL)
                 return -ENODEV;
 
-        printk(KERN_NOTICE "physmap platform flash device: %.8llx at %.8llx\n",
-            (unsigned long long)(dev->resource->end - dev->resource->start + 1),
-            (unsigned long long)dev->resource->start);
-
         info = kzalloc(sizeof(struct physmap_flash_info), GFP_KERNEL);
         if (info == NULL) {
                 err = -ENOMEM;
@@ -100,56 +111,83 @@ static int physmap_flash_probe(struct platform_device *dev)
 
         platform_set_drvdata(dev, info);
 
-        info->res = request_mem_region(dev->resource->start,
-                        dev->resource->end - dev->resource->start + 1,
-                        dev->dev.bus_id);
-        if (info->res == NULL) {
-                dev_err(&dev->dev, "Could not reserve memory region\n");
-                err = -ENOMEM;
-                goto err_out;
-        }
+        for (i = 0; i < dev->num_resources; i++) {
+                printk(KERN_NOTICE "physmap platform flash device: %.8llx at %.8llx\n",
+                       (unsigned long long)(dev->resource[i].end - dev->resource[i].start + 1),
+                       (unsigned long long)dev->resource[i].start);
+
+                info->res = request_mem_region(dev->resource[i].start,
+                                               dev->resource[i].end - dev->resource[i].start + 1,
+                                               dev->dev.bus_id);
+                if (info->res == NULL) {
+                        dev_err(&dev->dev, "Could not reserve memory region\n");
+                        err = -ENOMEM;
+                        goto err_out;
+                }
 
-        info->map.name = dev->dev.bus_id;
-        info->map.phys = dev->resource->start;
-        info->map.size = dev->resource->end - dev->resource->start + 1;
-        info->map.bankwidth = physmap_data->width;
-        info->map.set_vpp = physmap_data->set_vpp;
+                info->map[i].name = dev->dev.bus_id;
+                info->map[i].phys = dev->resource[i].start;
+                info->map[i].size = dev->resource[i].end - dev->resource[i].start + 1;
+                info->map[i].bankwidth = physmap_data->width;
+                info->map[i].set_vpp = physmap_data->set_vpp;
+
+                info->map[i].virt = ioremap(info->map[i].phys, info->map[i].size);
+                if (info->map[i].virt == NULL) {
+                        dev_err(&dev->dev, "Failed to ioremap flash region\n");
+                        err = EIO;
+                        goto err_out;
+                }
 
-        info->map.virt = ioremap(info->map.phys, info->map.size);
-        if (info->map.virt == NULL) {
-                dev_err(&dev->dev, "Failed to ioremap flash region\n");
-                err = EIO;
-                goto err_out;
-        }
+                simple_map_init(&info->map[i]);
 
-        simple_map_init(&info->map);
+                probe_type = rom_probe_types;
+                for (; info->mtd[i] == NULL && *probe_type != NULL; probe_type++)
+                        info->mtd[i] = do_map_probe(*probe_type, &info->map[i]);
+                if (info->mtd[i] == NULL) {
+                        dev_err(&dev->dev, "map_probe failed\n");
+                        err = -ENXIO;
+                        goto err_out;
+                } else {
+                        devices_found++;
+                }
+                info->mtd[i]->owner = THIS_MODULE;
+        }
 
-        probe_type = rom_probe_types;
-        for (; info->mtd == NULL && *probe_type != NULL; probe_type++)
-                info->mtd = do_map_probe(*probe_type, &info->map);
-        if (info->mtd == NULL) {
-                dev_err(&dev->dev, "map_probe failed\n");
+        if (devices_found == 1) {
+                info->cmtd = info->mtd[0];
+        } else if (devices_found > 1) {
+                /*
+                 * We detected multiple devices. Concatenate them together.
+                 */
+#ifdef CONFIG_MTD_CONCAT
+                info->cmtd = mtd_concat_create(info->mtd, devices_found, dev->dev.bus_id);
+                if (info->cmtd == NULL)
+                        err = -ENXIO;
+#else
+                printk(KERN_ERR "physmap-flash: multiple devices "
+                       "found but MTD concat support disabled.\n");
                 err = -ENXIO;
-                goto err_out;
+#endif
         }
-        info->mtd->owner = THIS_MODULE;
+        if (err)
+                goto err_out;
 
 #ifdef CONFIG_MTD_PARTITIONS
-        err = parse_mtd_partitions(info->mtd, part_probe_types, &info->parts, 0);
+        err = parse_mtd_partitions(info->cmtd, part_probe_types, &info->parts, 0);
         if (err > 0) {
-                add_mtd_partitions(info->mtd, info->parts, err);
+                add_mtd_partitions(info->cmtd, info->parts, err);
                 return 0;
         }
 
         if (physmap_data->nr_parts) {
                 printk(KERN_NOTICE "Using physmap partition information\n");
-                add_mtd_partitions(info->mtd, physmap_data->parts,
-                                                physmap_data->nr_parts);
+                add_mtd_partitions(info->cmtd, physmap_data->parts,
+                                   physmap_data->nr_parts);
                 return 0;
         }
 #endif
 
-        add_mtd_device(info->mtd);
+        add_mtd_device(info->cmtd);
         return 0;
 
 err_out:
@@ -162,9 +200,11 @@ static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state
 {
         struct physmap_flash_info *info = platform_get_drvdata(dev);
         int ret = 0;
+        int i;
 
         if (info)
-                ret = info->mtd->suspend(info->mtd);
+                for (i = 0; i < MAX_RESOURCES; i++)
+                        ret |= info->mtd[i]->suspend(info->mtd[i]);
 
         return ret;
 }
@@ -172,27 +212,35 @@ static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state
 static int physmap_flash_resume(struct platform_device *dev)
 {
         struct physmap_flash_info *info = platform_get_drvdata(dev);
+        int i;
+
         if (info)
-                info->mtd->resume(info->mtd);
+                for (i = 0; i < MAX_RESOURCES; i++)
+                        info->mtd[i]->resume(info->mtd[i]);
         return 0;
 }
 
 static void physmap_flash_shutdown(struct platform_device *dev)
 {
         struct physmap_flash_info *info = platform_get_drvdata(dev);
-        if (info && info->mtd->suspend(info->mtd) == 0)
-                info->mtd->resume(info->mtd);
+        int i;
+
+        for (i = 0; i < MAX_RESOURCES; i++)
+                if (info && info->mtd[i]->suspend(info->mtd[i]) == 0)
+                        info->mtd[i]->resume(info->mtd[i]);
 }
+#else
+#define physmap_flash_suspend NULL
+#define physmap_flash_resume NULL
+#define physmap_flash_shutdown NULL
 #endif
 
 static struct platform_driver physmap_flash_driver = {
         .probe          = physmap_flash_probe,
         .remove         = physmap_flash_remove,
-#ifdef CONFIG_PM
         .suspend        = physmap_flash_suspend,
         .resume         = physmap_flash_resume,
         .shutdown       = physmap_flash_shutdown,
-#endif
         .driver         = {
                 .name   = "physmap-flash",
         },
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index aeed9ea79714..49acd4171893 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -80,64 +80,6 @@ static int parse_obsolete_partitions(struct of_device *dev,
 
         return nr_parts;
 }
-
-static int __devinit parse_partitions(struct of_flash *info,
-                                      struct of_device *dev)
-{
-        const char *partname;
-        static const char *part_probe_types[]
-                = { "cmdlinepart", "RedBoot", NULL };
-        struct device_node *dp = dev->node, *pp;
-        int nr_parts, i;
-
-        /* First look for RedBoot table or partitions on the command
-         * line, these take precedence over device tree information */
-        nr_parts = parse_mtd_partitions(info->mtd, part_probe_types,
-                                        &info->parts, 0);
-        if (nr_parts > 0) {
-                add_mtd_partitions(info->mtd, info->parts, nr_parts);
-                return 0;
-        }
-
-        /* First count the subnodes */
-        nr_parts = 0;
-        for (pp = dp->child; pp; pp = pp->sibling)
-                nr_parts++;
-
-        if (nr_parts == 0)
-                return parse_obsolete_partitions(dev, info, dp);
-
-        info->parts = kzalloc(nr_parts * sizeof(*info->parts),
-                              GFP_KERNEL);
-        if (!info->parts)
-                return -ENOMEM;
-
-        for (pp = dp->child, i = 0; pp; pp = pp->sibling, i++) {
-                const u32 *reg;
-                int len;
-
-                reg = of_get_property(pp, "reg", &len);
-                if (!reg || (len != 2*sizeof(u32))) {
-                        dev_err(&dev->dev, "Invalid 'reg' on %s\n",
-                                dp->full_name);
-                        kfree(info->parts);
-                        info->parts = NULL;
-                        return -EINVAL;
-                }
-                info->parts[i].offset = reg[0];
-                info->parts[i].size = reg[1];
-
-                partname = of_get_property(pp, "label", &len);
-                if (!partname)
-                        partname = of_get_property(pp, "name", &len);
-                info->parts[i].name = (char *)partname;
-
-                if (of_get_property(pp, "read-only", &len))
-                        info->parts[i].mask_flags = MTD_WRITEABLE;
-        }
-
-        return nr_parts;
-}
 #else /* MTD_PARTITIONS */
 #define OF_FLASH_PARTS(info)            (0)
 #define parse_partitions(info, dev)     (0)
@@ -212,6 +154,10 @@ static struct mtd_info * __devinit obsolete_probe(struct of_device *dev,
 static int __devinit of_flash_probe(struct of_device *dev,
                                     const struct of_device_id *match)
 {
+#ifdef CONFIG_MTD_PARTITIONS
+        static const char *part_probe_types[]
+                = { "cmdlinepart", "RedBoot", NULL };
+#endif
         struct device_node *dp = dev->node;
         struct resource res;
         struct of_flash *info;
@@ -274,13 +220,33 @@ static int __devinit of_flash_probe(struct of_device *dev,
         }
         info->mtd->owner = THIS_MODULE;
 
-        err = parse_partitions(info, dev);
+#ifdef CONFIG_MTD_PARTITIONS
+        /* First look for RedBoot table or partitions on the command
+         * line, these take precedence over device tree information */
+        err = parse_mtd_partitions(info->mtd, part_probe_types,
+                                   &info->parts, 0);
         if (err < 0)
-                goto err_out;
+                return err;
+
+#ifdef CONFIG_MTD_OF_PARTS
+        if (err == 0) {
+                err = of_mtd_parse_partitions(&dev->dev, info->mtd,
+                                              dp, &info->parts);
+                if (err < 0)
+                        return err;
+        }
+#endif
+
+        if (err == 0) {
+                err = parse_obsolete_partitions(dev, info, dp);
+                if (err < 0)
+                        return err;
+        }
 
         if (err > 0)
-                add_mtd_partitions(info->mtd, OF_FLASH_PARTS(info), err);
+                add_mtd_partitions(info->mtd, info->parts, err);
         else
+#endif
                 add_mtd_device(info->mtd);
 
         return 0;
diff --git a/drivers/mtd/maps/pnc2000.c b/drivers/mtd/maps/pnc2000.c
deleted file mode 100644
index d7e16c2d5c44..000000000000
--- a/drivers/mtd/maps/pnc2000.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- *      pnc2000.c - mapper for Photron PNC-2000 board.
- *
- * Copyright (C) 2000 Crossnet Co. <info@crossnet.co.jp>
- *
- * This code is GPL
- *
- * $Id: pnc2000.c,v 1.18 2005/11/07 11:14:28 gleixner Exp $
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-
-#define WINDOW_ADDR 0xbf000000
-#define WINDOW_SIZE 0x00400000
-
-/*
- * MAP DRIVER STUFF
- */
-
-
-static struct map_info pnc_map = {
-        .name = "PNC-2000",
-        .size = WINDOW_SIZE,
-        .bankwidth = 4,
-        .phys = 0xFFFFFFFF,
-        .virt = (void __iomem *)WINDOW_ADDR,
-};
-
-
-/*
- * MTD 'PARTITIONING' STUFF
- */
-static struct mtd_partition pnc_partitions[3] = {
-        {
-                .name = "PNC-2000 boot firmware",
-                .size = 0x20000,
-                .offset = 0
-        },
-        {
-                .name = "PNC-2000 kernel",
-                .size = 0x1a0000,
-                .offset = 0x20000
-        },
-        {
-                .name = "PNC-2000 filesystem",
-                .size = 0x240000,
-                .offset = 0x1c0000
-        }
-};
-
-/*
- * This is the master MTD device for which all the others are just
- * auto-relocating aliases.
- */
-static struct mtd_info *mymtd;
-
-static int __init init_pnc2000(void)
-{
-        printk(KERN_NOTICE "Photron PNC-2000 flash mapping: %x at %x\n", WINDOW_SIZE, WINDOW_ADDR);
-
-        simple_map_init(&pnc_map);
-
-        mymtd = do_map_probe("cfi_probe", &pnc_map);
-        if (mymtd) {
-                mymtd->owner = THIS_MODULE;
-                return add_mtd_partitions(mymtd, pnc_partitions, 3);
-        }
-
-        return -ENXIO;
-}
-
-static void __exit cleanup_pnc2000(void)
-{
-        if (mymtd) {
-                del_mtd_partitions(mymtd);
-                map_destroy(mymtd);
-        }
-}
-
-module_init(init_pnc2000);
-module_exit(cleanup_pnc2000);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Crossnet Co. <info@crossnet.co.jp>");
-MODULE_DESCRIPTION("MTD map driver for Photron PNC-2000 board");
diff --git a/drivers/mtd/maps/scb2_flash.c b/drivers/mtd/maps/scb2_flash.c
index dcfb85840d1e..0fc5584324e3 100644
--- a/drivers/mtd/maps/scb2_flash.c
+++ b/drivers/mtd/maps/scb2_flash.c
@@ -79,7 +79,7 @@ scb2_fixup_mtd(struct mtd_info *mtd)
         struct cfi_private *cfi = map->fldrv_priv;
 
         /* barf if this doesn't look right */
-        if (cfi->cfiq->InterfaceDesc != 1) {
+        if (cfi->cfiq->InterfaceDesc != CFI_INTERFACE_X16_ASYNC) {
                 printk(KERN_ERR MODNAME ": unsupported InterfaceDesc: %#x\n",
                     cfi->cfiq->InterfaceDesc);
                 return -1;