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mtd: physmap: convert to mtd_device_register() 

Convert to mtd_device_register() and remove the CONFIG_MTD_PARTITIONS
preprocessor conditionals as partitioning is always available.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jamie Iles 2011-05-23 10:22:45 +01:00 committed by David Woodhouse
parent 11b73c8b10
commit 984e6d8ec5
3 changed files with 13 additions and 55 deletions
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34
drivers/mtd/maps/physmap.c
View File

@ -27,10 +27,8 @@ struct physmap_flash_info {
struct mtd_info *mtd[MAX_RESOURCES];
struct mtd_info *cmtd;
struct map_info map[MAX_RESOURCES];
#ifdef CONFIG_MTD_PARTITIONS
int nr_parts;
struct mtd_partition *parts;
#endif
};
static int physmap_flash_remove(struct platform_device *dev)
@ -47,18 +45,9 @@ static int physmap_flash_remove(struct platform_device *dev)
physmap_data = dev->dev.platform_data;
if (info->cmtd) {
#ifdef CONFIG_MTD_PARTITIONS
if (info->nr_parts || physmap_data->nr_parts) {
del_mtd_partitions(info->cmtd);
if (info->nr_parts)
kfree(info->parts);
} else {
del_mtd_device(info->cmtd);
}
#else
del_mtd_device(info->cmtd);
#endif
mtd_device_unregister(info->cmtd);
if (info->nr_parts)
kfree(info->parts);
if (info->cmtd != info->mtd[0])
mtd_concat_destroy(info->cmtd);
}
@ -76,9 +65,7 @@ static const char *rom_probe_types[] = {
"qinfo_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)
{
@ -164,24 +151,23 @@ static int physmap_flash_probe(struct platform_device *dev)
if (err)
goto err_out;
#ifdef CONFIG_MTD_PARTITIONS
err = parse_mtd_partitions(info->cmtd, part_probe_types,
&info->parts, 0);
&info->parts, 0);
if (err > 0) {
add_mtd_partitions(info->cmtd, info->parts, err);
mtd_device_register(info->cmtd, info->parts, err);
info->nr_parts = err;
return 0;
}
if (physmap_data->nr_parts) {
printk(KERN_NOTICE "Using physmap partition information\n");
add_mtd_partitions(info->cmtd, physmap_data->parts,
physmap_data->nr_parts);
mtd_device_register(info->cmtd, physmap_data->parts,
physmap_data->nr_parts);
return 0;
}
#endif
add_mtd_device(info->cmtd);
mtd_device_register(info->cmtd, NULL, 0);
return 0;
err_out:
@ -245,14 +231,12 @@ void physmap_configure(unsigned long addr, unsigned long size,
physmap_flash_data.set_vpp = set_vpp;
}
#ifdef CONFIG_MTD_PARTITIONS
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
static int __init physmap_init(void)
{

30
drivers/mtd/maps/physmap_of.c
View File

@ -34,16 +34,12 @@ struct of_flash_list {
struct of_flash {
struct mtd_info *cmtd;
#ifdef CONFIG_MTD_PARTITIONS
struct mtd_partition *parts;
#endif
int list_size; /* number of elements in of_flash_list */
struct of_flash_list list[0];
};
#ifdef CONFIG_MTD_PARTITIONS
#define OF_FLASH_PARTS(info) ((info)->parts)
static int parse_obsolete_partitions(struct platform_device *dev,
struct of_flash *info,
struct device_node *dp)
@ -89,10 +85,6 @@ static int parse_obsolete_partitions(struct platform_device *dev,
return nr_parts;
}
#else /* MTD_PARTITIONS */
#define OF_FLASH_PARTS(info) (0)
#define parse_partitions(info, dev) (0)
#endif /* MTD_PARTITIONS */
static int of_flash_remove(struct platform_device *dev)
{
@ -105,17 +97,14 @@ static int of_flash_remove(struct platform_device *dev)
dev_set_drvdata(&dev->dev, NULL);
if (info->cmtd != info->list[0].mtd) {
del_mtd_device(info->cmtd);
mtd_device_unregister(info->cmtd);
mtd_concat_destroy(info->cmtd);
}
if (info->cmtd) {
if (OF_FLASH_PARTS(info)) {
del_mtd_partitions(info->cmtd);
if (OF_FLASH_PARTS(info))
kfree(OF_FLASH_PARTS(info));
} else {
del_mtd_device(info->cmtd);
}
mtd_device_unregister(info->cmtd);
}
for (i = 0; i < info->list_size; i++) {
@ -172,7 +161,6 @@ static struct mtd_info * __devinit obsolete_probe(struct platform_device *dev,
}
}
#ifdef CONFIG_MTD_PARTITIONS
/* When partitions are set we look for a linux,part-probe property which
specifies the list of partition probers to use. If none is given then the
default is use. These take precedence over other device tree
@ -212,14 +200,11 @@ static void __devinit of_free_probes(const char **probes)
if (probes != part_probe_types_def)
kfree(probes);
}
#endif
static struct of_device_id of_flash_match[];
static int __devinit of_flash_probe(struct platform_device *dev)
{
#ifdef CONFIG_MTD_PARTITIONS
const char **part_probe_types;
#endif
const struct of_device_id *match;
struct device_node *dp = dev->dev.of_node;
struct resource res;
@ -346,7 +331,6 @@ static int __devinit of_flash_probe(struct platform_device *dev)
if (err)
goto err_out;
#ifdef CONFIG_MTD_PARTITIONS
part_probe_types = of_get_probes(dp);
err = parse_mtd_partitions(info->cmtd, part_probe_types,
&info->parts, 0);
@ -356,13 +340,11 @@ static int __devinit of_flash_probe(struct platform_device *dev)
}
of_free_probes(part_probe_types);
#ifdef CONFIG_MTD_OF_PARTS
if (err == 0) {
err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts);
if (err < 0)
goto err_out;
}
#endif
if (err == 0) {
err = parse_obsolete_partitions(dev, info, dp);
@ -370,11 +352,7 @@ static int __devinit of_flash_probe(struct platform_device *dev)
goto err_out;
}
if (err > 0)
add_mtd_partitions(info->cmtd, info->parts, err);
else
#endif
add_mtd_device(info->cmtd);
mtd_device_register(info->cmtd, info->parts, err);
kfree(mtd_list);

4
include/linux/mtd/physmap.h
View File

@ -35,8 +35,6 @@ struct physmap_flash_data {
void physmap_configure(unsigned long addr, unsigned long size,
int bankwidth, void (*set_vpp)(struct map_info *, int) );
#ifdef CONFIG_MTD_PARTITIONS
/*
* Machines that wish to do flash partition may want to call this function in
* their setup routine.
@ -48,6 +46,4 @@ void physmap_configure(unsigned long addr, unsigned long size,
*/
void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
#endif /* defined(CONFIG_MTD_PARTITIONS) */
#endif /* __LINUX_MTD_PHYSMAP__ */