/*
- * $Id: physmap.c,v 1.39 2005/11/29 14:49:36 gleixner Exp $
- *
* Normal mappings of chips in physical memory
*
* Copyright (C) 2003 MontaVista Software Inc.
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/concat.h>
-#include <asm/io.h>
+#include <linux/io.h>
#define MAX_RESOURCES 4
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;
struct mtd_partition *parts;
physmap_data = dev->dev.platform_data;
-#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) {
+ if (info->cmtd) {
#ifdef CONFIG_MTD_PARTITIONS
- if (info->nr_parts) {
- del_mtd_partitions(info->mtd[i]);
+ if (info->nr_parts || physmap_data->nr_parts) {
+ del_mtd_partitions(info->cmtd);
+
+ if (info->nr_parts)
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->cmtd);
+ }
#else
- del_mtd_device(info->mtd[i]);
+ del_mtd_device(info->cmtd);
+#endif
+#ifdef CONFIG_MTD_CONCAT
+ if (info->cmtd != info->mtd[0])
+ mtd_concat_destroy(info->cmtd);
#endif
- map_destroy(info->mtd[i]);
- }
-
- if (info->map[i].virt != NULL)
- iounmap(info->map[i].virt);
}
- if (info->res != NULL) {
- release_resource(info->res);
- kfree(info->res);
+ for (i = 0; i < MAX_RESOURCES; i++) {
+ if (info->mtd[i] != NULL)
+ map_destroy(info->mtd[i]);
}
-
return 0;
}
-static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
+static const char *rom_probe_types[] = {
+ "cfi_probe",
+ "jedec_probe",
+ "qinfo_probe",
+ "map_rom",
+ NULL };
#ifdef CONFIG_MTD_PARTITIONS
static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
#endif
if (physmap_data == NULL)
return -ENODEV;
- info = kzalloc(sizeof(struct physmap_flash_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct physmap_flash_info),
+ GFP_KERNEL);
if (info == NULL) {
err = -ENOMEM;
goto err_out;
(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) {
+ if (!devm_request_mem_region(&dev->dev,
+ dev->resource[i].start,
+ dev->resource[i].end - dev->resource[i].start + 1,
+ dev_name(&dev->dev))) {
dev_err(&dev->dev, "Could not reserve memory region\n");
err = -ENOMEM;
goto err_out;
}
- info->map[i].name = dev->dev.bus_id;
+ info->map[i].name = dev_name(&dev->dev);
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].pfow_base = physmap_data->pfow_base;
- info->map[i].virt = ioremap(info->map[i].phys, info->map[i].size);
+ info->map[i].virt = devm_ioremap(&dev->dev, 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;
+ err = -EIO;
goto err_out;
}
devices_found++;
}
info->mtd[i]->owner = THIS_MODULE;
+ info->mtd[i]->dev.parent = &dev->dev;
}
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);
+ info->cmtd = mtd_concat_create(info->mtd, devices_found, dev_name(&dev->dev));
if (info->cmtd == NULL)
err = -ENXIO;
#else
goto err_out;
#ifdef CONFIG_MTD_PARTITIONS
- err = parse_mtd_partitions(info->cmtd, 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->cmtd, info->parts, err);
+ info->nr_parts = err;
return 0;
}
}
#ifdef CONFIG_PM
-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;
-
- for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
- ret |= info->mtd[i]->suspend(info->mtd[i]);
-
- return ret;
-}
-
-static int physmap_flash_resume(struct platform_device *dev)
-{
- struct physmap_flash_info *info = platform_get_drvdata(dev);
- int i;
-
- for (i = 0; i < MAX_RESOURCES && info->mtd[i]; 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);
int i;
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
- if (info->mtd[i]->suspend(info->mtd[i]) == 0)
- info->mtd[i]->resume(info->mtd[i]);
+ if (info->mtd[i]->suspend && info->mtd[i]->resume)
+ if (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,
- .suspend = physmap_flash_suspend,
- .resume = physmap_flash_resume,
.shutdown = physmap_flash_shutdown,
.driver = {
.name = "physmap-flash",
};
-#ifdef CONFIG_MTD_PHYSMAP_LEN
-#if CONFIG_MTD_PHYSMAP_LEN != 0
-#warning using PHYSMAP compat code
-#define PHYSMAP_COMPAT
-#endif
-#endif
-
-#ifdef PHYSMAP_COMPAT
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
static struct physmap_flash_data physmap_flash_data = {
.width = CONFIG_MTD_PHYSMAP_BANKWIDTH,
};
int err;
err = platform_driver_register(&physmap_flash_driver);
-#ifdef PHYSMAP_COMPAT
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
if (err == 0)
platform_device_register(&physmap_flash);
#endif
static void __exit physmap_exit(void)
{
-#ifdef PHYSMAP_COMPAT
+#ifdef CONFIG_MTD_PHYSMAP_COMPAT
platform_device_unregister(&physmap_flash);
#endif
platform_driver_unregister(&physmap_flash_driver);
MODULE_DESCRIPTION("Generic configurable MTD map driver");
/* legacy platform drivers can't hotplug or coldplg */
-#ifndef PHYSMAP_COMPAT
+#ifndef CONFIG_MTD_PHYSMAP_COMPAT
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:physmap-flash");
#endif
-