summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/maps
diff options
context:
space:
mode:
authorDave Jones <davej@redhat.com>2006-06-29 16:01:54 -0400
committerDave Jones <davej@redhat.com>2006-06-29 16:01:54 -0400
commit55b4d6a52195a8f277ffddf755ddaff359878f41 (patch)
tree06a3183a562f8da4688f65023f7a18dcad702956 /drivers/mtd/maps
parentadf8a287150667feb5747f8beade62acacc17d4e (diff)
parent1f1332f727c3229eb2166a83fec5d3de6a73dce2 (diff)
Merge ../linus
Conflicts: drivers/char/agp/Kconfig
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/Kconfig13
-rw-r--r--drivers/mtd/maps/amd76xrom.c5
-rw-r--r--drivers/mtd/maps/cfi_flagadm.c4
-rw-r--r--drivers/mtd/maps/dbox2-flash.c2
-rw-r--r--drivers/mtd/maps/ichxrom.c5
-rw-r--r--drivers/mtd/maps/ixp2000.c2
-rw-r--r--drivers/mtd/maps/mtx-1_flash.c2
-rw-r--r--drivers/mtd/maps/nettel.c4
-rw-r--r--drivers/mtd/maps/pcmciamtd.c1
-rw-r--r--drivers/mtd/maps/physmap.c255
-rw-r--r--drivers/mtd/maps/scx200_docflash.c5
-rw-r--r--drivers/mtd/maps/sun_uflash.c198
12 files changed, 306 insertions, 190 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 7abd7fee0dd..83d0b2a5252 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -37,7 +37,7 @@ config MTD_PHYSMAP_START
config MTD_PHYSMAP_LEN
hex "Physical length of flash mapping"
depends on MTD_PHYSMAP
- default "0x4000000"
+ default "0"
help
This is the total length of the mapping of the flash chips on
your particular board. If there is space, or aliases, in the
@@ -78,7 +78,7 @@ config MTD_PNC2000
config MTD_SC520CDP
tristate "CFI Flash device mapped on AMD SC520 CDP"
- depends on X86 && MTD_CFI
+ depends on X86 && MTD_CFI && MTD_CONCAT
help
The SC520 CDP board has two banks of CFI-compliant chips and one
Dual-in-line JEDEC chip. This 'mapping' driver supports that
@@ -109,7 +109,7 @@ config MTD_TS5500
mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL.
Note that jumper 3 ("Write Enable Drive A") must be set
- otherwise detection won't succeeed.
+ otherwise detection won't succeed.
config MTD_SBC_GXX
tristate "CFI Flash device mapped on Arcom SBC-GXx boards"
@@ -200,8 +200,8 @@ config MTD_TSUNAMI
Support for the flash chip on Tsunami TIG bus.
config MTD_LASAT
- tristate "Flash chips on LASAT board"
- depends on LASAT
+ tristate "LASAT flash device"
+ depends on LASAT && MTD_CFI
help
Support for the flash chips on the Lasat 100 and 200 boards.
@@ -212,7 +212,7 @@ config MTD_NETtel
Support for flash chips on NETtel/SecureEdge/SnapGear boards.
config MTD_ALCHEMY
- tristate ' AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support'
+ tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support"
depends on SOC_AU1X00
help
Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
@@ -561,7 +561,6 @@ config MTD_PCMCIA
config MTD_PCMCIA_ANONYMOUS
bool "Use PCMCIA MTD drivers for anonymous PCMCIA cards"
depends on MTD_PCMCIA
- default N
help
If this option is enabled, PCMCIA cards which do not report
anything about themselves are assumed to be MTD cards.
diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index c350878d459..a5058700526 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -123,9 +123,10 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev,
window->rsrc.parent = NULL;
printk(KERN_ERR MOD_NAME
" %s(): Unable to register resource"
- " 0x%.08lx-0x%.08lx - kernel bug?\n",
+ " 0x%.16llx-0x%.16llx - kernel bug?\n",
__func__,
- window->rsrc.start, window->rsrc.end);
+ (unsigned long long)window->rsrc.start,
+ (unsigned long long)window->rsrc.end);
}
#if 0
diff --git a/drivers/mtd/maps/cfi_flagadm.c b/drivers/mtd/maps/cfi_flagadm.c
index fd0f0d3187d..92b5d883d7b 100644
--- a/drivers/mtd/maps/cfi_flagadm.c
+++ b/drivers/mtd/maps/cfi_flagadm.c
@@ -1,5 +1,5 @@
/*
- * Copyright © 2001 Flaga hf. Medical Devices, Kári Davíðsson <kd@flaga.is>
+ * Copyright © 2001 Flaga hf. Medical Devices, Kári Davíðsson <kd@flaga.is>
*
* $Id: cfi_flagadm.c,v 1.15 2005/11/07 11:14:26 gleixner Exp $
*
@@ -135,5 +135,5 @@ module_exit(cleanup_flagadm);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kári Davíðsson <kd@flaga.is>");
+MODULE_AUTHOR("Kári Davíðsson <kd@flaga.is>");
MODULE_DESCRIPTION("MTD map driver for Flaga digital module");
diff --git a/drivers/mtd/maps/dbox2-flash.c b/drivers/mtd/maps/dbox2-flash.c
index 652813cd6c2..85c2a9e22b1 100644
--- a/drivers/mtd/maps/dbox2-flash.c
+++ b/drivers/mtd/maps/dbox2-flash.c
@@ -122,5 +122,5 @@ module_exit(cleanup_dbox2_flash);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kári Davíðsson <kd@flaga.is>, Bastian Blank <waldi@tuxbox.org>, Alexander Wild <wild@te-elektronik.com>");
+MODULE_AUTHOR("Kári Davíðsson <kd@flaga.is>, Bastian Blank <waldi@tuxbox.org>, Alexander Wild <wild@te-elektronik.com>");
MODULE_DESCRIPTION("MTD map driver for D-Box 2 board");
diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c
index ea5073781b3..16732794edf 100644
--- a/drivers/mtd/maps/ichxrom.c
+++ b/drivers/mtd/maps/ichxrom.c
@@ -177,9 +177,10 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev,
window->rsrc.parent = NULL;
printk(KERN_DEBUG MOD_NAME
": %s(): Unable to register resource"
- " 0x%.08lx-0x%.08lx - kernel bug?\n",
+ " 0x%.16llx-0x%.16llx - kernel bug?\n",
__func__,
- window->rsrc.start, window->rsrc.end);
+ (unsigned long long)window->rsrc.start,
+ (unsigned long long)window->rsrc.end);
}
/* Map the firmware hub into my address space. */
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 2c9cc7f37e9..c26488a1793 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -42,7 +42,6 @@ struct ixp2000_flash_info {
struct map_info map;
struct mtd_partition *partitions;
struct resource *res;
- int nr_banks;
};
static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs)
@@ -183,7 +182,6 @@ static int ixp2000_flash_probe(struct platform_device *dev)
*/
info->map.phys = NO_XIP;
- info->nr_banks = ixp_data->nr_banks;
info->map.size = ixp_data->nr_banks * window_size;
info->map.bankwidth = 1;
diff --git a/drivers/mtd/maps/mtx-1_flash.c b/drivers/mtd/maps/mtx-1_flash.c
index d1e66e18674..5c25d4e552c 100644
--- a/drivers/mtd/maps/mtx-1_flash.c
+++ b/drivers/mtd/maps/mtx-1_flash.c
@@ -4,7 +4,7 @@
* $Id: mtx-1_flash.c,v 1.2 2005/11/07 11:14:27 gleixner Exp $
*
* (C) 2005 Bruno Randolf <bruno.randolf@4g-systems.biz>
- * (C) 2005 Jörn Engel <joern@wohnheim.fh-wedel.de>
+ * (C) 2005 Jörn Engel <joern@wohnheim.fh-wedel.de>
*
*/
diff --git a/drivers/mtd/maps/nettel.c b/drivers/mtd/maps/nettel.c
index 54a3102ab19..0994b5b2e33 100644
--- a/drivers/mtd/maps/nettel.c
+++ b/drivers/mtd/maps/nettel.c
@@ -20,6 +20,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/cfi.h>
#include <linux/reboot.h>
+#include <linux/kdev_t.h>
+#include <linux/root_dev.h>
#include <asm/io.h>
/****************************************************************************/
@@ -188,7 +190,7 @@ int nettel_eraseconfig(void)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
- ret = MTD_ERASE(mtd, &nettel_erase);
+ ret = mtd->erase(mtd, &nettel_erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index d27f4129afd..c861134cbc4 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -713,6 +713,7 @@ static void pcmciamtd_detach(struct pcmcia_device *link)
if(dev->mtd_info) {
del_mtd_device(dev->mtd_info);
+ map_destroy(dev->mtd_info);
info("mtd%d: Removed", dev->mtd_info->index);
}
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index f49ebc3c460..d6301f08906 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -14,112 +14,229 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
-#include <asm/io.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/config.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
+#include <asm/io.h>
-static struct mtd_info *mymtd;
-
-struct map_info physmap_map = {
- .name = "phys_mapped_flash",
- .phys = CONFIG_MTD_PHYSMAP_START,
- .size = CONFIG_MTD_PHYSMAP_LEN,
- .bankwidth = CONFIG_MTD_PHYSMAP_BANKWIDTH,
+struct physmap_flash_info {
+ struct mtd_info *mtd;
+ struct map_info map;
+ struct resource *res;
+#ifdef CONFIG_MTD_PARTITIONS
+ int nr_parts;
+ struct mtd_partition *parts;
+#endif
};
+
+static int physmap_flash_remove(struct platform_device *dev)
+{
+ struct physmap_flash_info *info;
+ struct physmap_flash_data *physmap_data;
+
+ info = platform_get_drvdata(dev);
+ if (info == NULL)
+ return 0;
+ platform_set_drvdata(dev, NULL);
+
+ physmap_data = dev->dev.platform_data;
+
+ if (info->mtd != NULL) {
#ifdef CONFIG_MTD_PARTITIONS
-static struct mtd_partition *mtd_parts;
-static int mtd_parts_nb;
+ 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);
+ }
+#else
+ del_mtd_device(info->mtd);
+#endif
+ map_destroy(info->mtd);
+ }
-static int num_physmap_partitions;
-static struct mtd_partition *physmap_partitions;
+ if (info->map.virt != NULL)
+ iounmap((void *)info->map.virt);
-static const char *part_probes[] __initdata = {"cmdlinepart", "RedBoot", NULL};
+ if (info->res != NULL) {
+ release_resource(info->res);
+ kfree(info->res);
+ }
-void physmap_set_partitions(struct mtd_partition *parts, int num_parts)
-{
- physmap_partitions=parts;
- num_physmap_partitions=num_parts;
+ return 0;
}
-#endif /* CONFIG_MTD_PARTITIONS */
-static int __init init_physmap(void)
+static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
+#endif
+
+static int physmap_flash_probe(struct platform_device *dev)
{
- static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
- const char **type;
+ struct physmap_flash_data *physmap_data;
+ struct physmap_flash_info *info;
+ const char **probe_type;
+ int err;
+
+ 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 = kmalloc(sizeof(struct physmap_flash_info), GFP_KERNEL);
+ if (info == NULL) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ memset(info, 0, sizeof(*info));
- printk(KERN_NOTICE "physmap flash device: %lx at %lx\n", physmap_map.size, physmap_map.phys);
- physmap_map.virt = ioremap(physmap_map.phys, physmap_map.size);
+ platform_set_drvdata(dev, info);
- if (!physmap_map.virt) {
- printk("Failed to ioremap\n");
- return -EIO;
+ 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;
}
- simple_map_init(&physmap_map);
+ 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.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;
+ }
- mymtd = NULL;
- type = rom_probe_types;
- for(; !mymtd && *type; type++) {
- mymtd = do_map_probe(*type, &physmap_map);
+ simple_map_init(&info->map);
+
+ 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");
+ err = -ENXIO;
+ goto err_out;
}
- if (mymtd) {
- mymtd->owner = THIS_MODULE;
+ info->mtd->owner = THIS_MODULE;
#ifdef CONFIG_MTD_PARTITIONS
- mtd_parts_nb = parse_mtd_partitions(mymtd, part_probes,
- &mtd_parts, 0);
+ err = parse_mtd_partitions(info->mtd, part_probe_types, &info->parts, 0);
+ if (err > 0) {
+ add_mtd_partitions(info->mtd, info->parts, err);
+ return 0;
+ }
- if (mtd_parts_nb > 0)
- {
- add_mtd_partitions (mymtd, mtd_parts, mtd_parts_nb);
- 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);
+ return 0;
+ }
+#endif
+
+ add_mtd_device(info->mtd);
+ return 0;
+
+err_out:
+ physmap_flash_remove(dev);
+ return err;
+}
+
+static struct platform_driver physmap_flash_driver = {
+ .probe = physmap_flash_probe,
+ .remove = physmap_flash_remove,
+ .driver = {
+ .name = "physmap-flash",
+ },
+};
- if (num_physmap_partitions != 0)
- {
- printk(KERN_NOTICE
- "Using physmap partition definition\n");
- add_mtd_partitions (mymtd, physmap_partitions, num_physmap_partitions);
- return 0;
- }
+#ifdef CONFIG_MTD_PHYSMAP_LEN
+#if CONFIG_MTD_PHYSMAP_LEN != 0
+#warning using PHYSMAP compat code
+#define PHYSMAP_COMPAT
+#endif
#endif
- add_mtd_device(mymtd);
- return 0;
- }
+#ifdef PHYSMAP_COMPAT
+static struct physmap_flash_data physmap_flash_data = {
+ .width = CONFIG_MTD_PHYSMAP_BANKWIDTH,
+};
- iounmap(physmap_map.virt);
- return -ENXIO;
-}
+static struct resource physmap_flash_resource = {
+ .start = CONFIG_MTD_PHYSMAP_START,
+ .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
+ .flags = IORESOURCE_MEM,
+};
-static void __exit cleanup_physmap(void)
+static struct platform_device physmap_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &physmap_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &physmap_flash_resource,
+};
+
+void physmap_configure(unsigned long addr, unsigned long size,
+ int bankwidth, void (*set_vpp)(struct map_info *, int))
{
+ physmap_flash_resource.start = addr;
+ physmap_flash_resource.end = addr + size - 1;
+ physmap_flash_data.width = bankwidth;
+ physmap_flash_data.set_vpp = set_vpp;
+}
+
#ifdef CONFIG_MTD_PARTITIONS
- if (mtd_parts_nb) {
- del_mtd_partitions(mymtd);
- kfree(mtd_parts);
- } else if (num_physmap_partitions) {
- del_mtd_partitions(mymtd);
- } else {
- del_mtd_device(mymtd);
- }
-#else
- del_mtd_device(mymtd);
+void physmap_set_partitions(struct mtd_partition *parts, int num_parts)
+{
+ physmap_flash_data.nr_parts = num_parts;
+ physmap_flash_data.parts = parts;
+}
+#endif
#endif
- map_destroy(mymtd);
- iounmap(physmap_map.virt);
- physmap_map.virt = NULL;
+static int __init physmap_init(void)
+{
+ int err;
+
+ err = platform_driver_register(&physmap_flash_driver);
+#ifdef PHYSMAP_COMPAT
+ if (err == 0)
+ platform_device_register(&physmap_flash);
+#endif
+
+ return err;
}
-module_init(init_physmap);
-module_exit(cleanup_physmap);
+static void __exit physmap_exit(void)
+{
+#ifdef PHYSMAP_COMPAT
+ platform_device_unregister(&physmap_flash);
+#endif
+ platform_driver_unregister(&physmap_flash_driver);
+}
+module_init(physmap_init);
+module_exit(physmap_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
diff --git a/drivers/mtd/maps/scx200_docflash.c b/drivers/mtd/maps/scx200_docflash.c
index 28b8a571a91..331a15859d7 100644
--- a/drivers/mtd/maps/scx200_docflash.c
+++ b/drivers/mtd/maps/scx200_docflash.c
@@ -164,8 +164,9 @@ static int __init init_scx200_docflash(void)
outl(pmr, scx200_cb_base + SCx200_PMR);
}
- printk(KERN_INFO NAME ": DOCCS mapped at 0x%lx-0x%lx, width %d\n",
- docmem.start, docmem.end, width);
+ printk(KERN_INFO NAME ": DOCCS mapped at 0x%llx-0x%llx, width %d\n",
+ (unsigned long long)docmem.start,
+ (unsigned long long)docmem.end, width);
scx200_docflash_map.size = size;
if (width == 8)
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 0758cb1d010..4db2055cee3 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -18,6 +18,7 @@
#include <linux/ioport.h>
#include <asm/ebus.h>
#include <asm/oplib.h>
+#include <asm/prom.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -30,146 +31,141 @@
#define UFLASH_WINDOW_SIZE 0x200000
#define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */
-MODULE_AUTHOR
- ("Eric Brower <ebrower@usa.net>");
-MODULE_DESCRIPTION
- ("User-programmable flash device on Sun Microsystems boardsets");
-MODULE_SUPPORTED_DEVICE
- ("userflash");
-MODULE_LICENSE
- ("GPL");
+MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
+MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
+MODULE_SUPPORTED_DEVICE("userflash");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("2.0");
static LIST_HEAD(device_list);
struct uflash_dev {
- char * name; /* device name */
+ char *name; /* device name */
struct map_info map; /* mtd map info */
- struct mtd_info * mtd; /* mtd info */
- struct list_head list;
+ struct mtd_info *mtd; /* mtd info */
};
struct map_info uflash_map_templ = {
- .name = "SUNW,???-????",
- .size = UFLASH_WINDOW_SIZE,
- .bankwidth = UFLASH_BUSWIDTH,
+ .name = "SUNW,???-????",
+ .size = UFLASH_WINDOW_SIZE,
+ .bankwidth = UFLASH_BUSWIDTH,
};
-int uflash_devinit(struct linux_ebus_device* edev)
+int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp)
{
- int iTmp, nregs;
- struct linux_prom_registers regs[2];
- struct uflash_dev *pdev;
-
- iTmp = prom_getproperty(
- edev->prom_node, "reg", (void *)regs, sizeof(regs));
- if ((iTmp % sizeof(regs[0])) != 0) {
- printk("%s: Strange reg property size %d\n",
- UFLASH_DEVNAME, iTmp);
- return -ENODEV;
- }
+ struct uflash_dev *up;
+ struct resource *res;
- nregs = iTmp / sizeof(regs[0]);
+ res = &edev->resource[0];
- if (nregs != 1) {
+ if (edev->num_addrs != 1) {
/* Non-CFI userflash device-- once I find one we
* can work on supporting it.
*/
- printk("%s: unsupported device at 0x%lx (%d regs): " \
+ printk("%s: unsupported device at 0x%llx (%d regs): " \
"email ebrower@usa.net\n",
- UFLASH_DEVNAME, edev->resource[0].start, nregs);
+ dp->full_name, (unsigned long long)res->start,
+ edev->num_addrs);
+
return -ENODEV;
}
- if(0 == (pdev = kmalloc(sizeof(struct uflash_dev), GFP_KERNEL))) {
- printk("%s: unable to kmalloc new device\n", UFLASH_DEVNAME);
- return(-ENOMEM);
- }
+ up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL);
+ if (!up)
+ return -ENOMEM;
/* copy defaults and tweak parameters */
- memcpy(&pdev->map, &uflash_map_templ, sizeof(uflash_map_templ));
- pdev->map.size = regs[0].reg_size;
-
- iTmp = prom_getproplen(edev->prom_node, "model");
- pdev->name = kmalloc(iTmp, GFP_KERNEL);
- prom_getstring(edev->prom_node, "model", pdev->name, iTmp);
- if(0 != pdev->name && 0 < strlen(pdev->name)) {
- pdev->map.name = pdev->name;
- }
- pdev->map.phys = edev->resource[0].start;
- pdev->map.virt = ioremap_nocache(edev->resource[0].start, pdev->map.size);
- if(0 == pdev->map.virt) {
- printk("%s: failed to map device\n", __FUNCTION__);
- kfree(pdev->name);
- kfree(pdev);
- return(-1);
+ memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
+ up->map.size = (res->end - res->start) + 1UL;
+
+ up->name = of_get_property(dp, "model", NULL);
+ if (up->name && 0 < strlen(up->name))
+ up->map.name = up->name;
+
+ up->map.phys = res->start;
+
+ up->map.virt = ioremap_nocache(res->start, up->map.size);
+ if (!up->map.virt) {
+ printk("%s: Failed to map device.\n", dp->full_name);
+ kfree(up);
+
+ return -EINVAL;
}
- simple_map_init(&pdev->map);
+ simple_map_init(&up->map);
/* MTD registration */
- pdev->mtd = do_map_probe("cfi_probe", &pdev->map);
- if(0 == pdev->mtd) {
- iounmap(pdev->map.virt);
- kfree(pdev->name);
- kfree(pdev);
- return(-ENXIO);
+ up->mtd = do_map_probe("cfi_probe", &up->map);
+ if (!up->mtd) {
+ iounmap(up->map.virt);
+ kfree(up);
+
+ return -ENXIO;
}
- list_add(&pdev->list, &device_list);
+ up->mtd->owner = THIS_MODULE;
- pdev->mtd->owner = THIS_MODULE;
+ add_mtd_device(up->mtd);
- add_mtd_device(pdev->mtd);
- return(0);
+ dev_set_drvdata(&edev->ofdev.dev, up);
+
+ return 0;
}
-static int __init uflash_init(void)
+static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match)
{
- struct linux_ebus *ebus = NULL;
- struct linux_ebus_device *edev = NULL;
-
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, UFLASH_OBPNAME)) {
- if(0 > prom_getproplen(edev->prom_node, "user")) {
- DEBUG(2, "%s: ignoring device at 0x%lx\n",
- UFLASH_DEVNAME, edev->resource[0].start);
- } else {
- uflash_devinit(edev);
- }
- }
- }
- }
+ struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
+ struct device_node *dp = dev->node;
- if(list_empty(&device_list)) {
- printk("%s: unable to locate device\n", UFLASH_DEVNAME);
+ if (of_find_property(dp, "user", NULL))
return -ENODEV;
- }
- return(0);
+
+ return uflash_devinit(edev, dp);
}
-static void __exit uflash_cleanup(void)
+static int __devexit uflash_remove(struct of_device *dev)
{
- struct list_head *udevlist;
- struct uflash_dev *udev;
-
- list_for_each(udevlist, &device_list) {
- udev = list_entry(udevlist, struct uflash_dev, list);
- DEBUG(2, "%s: removing device %s\n",
- UFLASH_DEVNAME, udev->name);
-
- if(0 != udev->mtd) {
- del_mtd_device(udev->mtd);
- map_destroy(udev->mtd);
- }
- if(0 != udev->map.virt) {
- iounmap(udev->map.virt);
- udev->map.virt = NULL;
- }
- kfree(udev->name);
- kfree(udev);
+ struct uflash_dev *up = dev_get_drvdata(&dev->dev);
+
+ if (up->mtd) {
+ del_mtd_device(up->mtd);
+ map_destroy(up->mtd);
}
+ if (up->map.virt) {
+ iounmap(up->map.virt);
+ up->map.virt = NULL;
+ }
+
+ kfree(up);
+
+ return 0;
+}
+
+static struct of_device_id uflash_match[] = {
+ {
+ .name = UFLASH_OBPNAME,
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, uflash_match);
+
+static struct of_platform_driver uflash_driver = {
+ .name = UFLASH_DEVNAME,
+ .match_table = uflash_match,
+ .probe = uflash_probe,
+ .remove = __devexit_p(uflash_remove),
+};
+
+static int __init uflash_init(void)
+{
+ return of_register_driver(&uflash_driver, &ebus_bus_type);
+}
+
+static void __exit uflash_exit(void)
+{
+ of_unregister_driver(&uflash_driver);
}
module_init(uflash_init);
-module_exit(uflash_cleanup);
+module_exit(uflash_exit);