ar71xx: move multi-m25p80 concat code from wzr-hp-ag300h mach code to dev-m25p80.c, other buffalo routers use it as well

SVN-Revision: 29440
This commit is contained in:
Felix Fietkau 2011-12-05 14:20:44 +00:00
parent ff7f354874
commit d1f63f8538
3 changed files with 78 additions and 72 deletions

View file

@ -9,6 +9,9 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/spi/spi.h> #include <linux/spi/spi.h>
#include <linux/spi/flash.h> #include <linux/spi/flash.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/concat.h>
#include "devices.h" #include "devices.h"
#include "dev-m25p80.h" #include "dev-m25p80.h"
@ -19,12 +22,79 @@ static struct spi_board_info ar71xx_spi_info[] = {
.chip_select = 0, .chip_select = 0,
.max_speed_hz = 25000000, .max_speed_hz = 25000000,
.modalias = "m25p80", .modalias = "m25p80",
},
{
.bus_num = 0,
.chip_select = 1,
.max_speed_hz = 25000000,
.modalias = "m25p80",
} }
}; };
void __init ar71xx_add_device_m25p80(struct flash_platform_data *pdata) void __init ar71xx_add_device_m25p80(struct flash_platform_data *pdata)
{ {
ar71xx_spi_info[0].platform_data = pdata; ar71xx_spi_info[0].platform_data = pdata;
ar71xx_add_device_spi(NULL, ar71xx_spi_info, ar71xx_add_device_spi(NULL, ar71xx_spi_info, 1);
ARRAY_SIZE(ar71xx_spi_info)); }
static struct flash_platform_data *multi_pdata;
static struct mtd_info *concat_devs[2] = { NULL, NULL };
static struct work_struct mtd_concat_work;
static void mtd_concat_add_work(struct work_struct *work)
{
struct mtd_info *mtd;
mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
#ifdef CONFIG_MTD_PARTITIONS
add_mtd_partitions(mtd, multi_pdata->parts, multi_pdata->nr_parts);
#else
add_mtd_device(mtd);
#endif
}
static void mtd_concat_add(struct mtd_info *mtd)
{
static bool registered = false;
if (registered)
return;
if (!strcmp(mtd->name, "spi0.0"))
concat_devs[0] = mtd;
else if (!strcmp(mtd->name, "spi0.1"))
concat_devs[1] = mtd;
else
return;
if (!concat_devs[0] || !concat_devs[1])
return;
registered = true;
INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
schedule_work(&mtd_concat_work);
}
static void mtd_concat_remove(struct mtd_info *mtd)
{
}
static void add_mtd_concat_notifier(void)
{
static struct mtd_notifier not = {
.add = mtd_concat_add,
.remove = mtd_concat_remove,
};
register_mtd_user(&not);
}
void __init ar71xx_add_device_m25p80_multi(struct flash_platform_data *pdata)
{
multi_pdata = pdata;
add_mtd_concat_notifier();
ar71xx_add_device_spi(NULL, ar71xx_spi_info, ARRAY_SIZE(ar71xx_spi_info));
} }

View file

@ -12,5 +12,6 @@
#include <linux/spi/flash.h> #include <linux/spi/flash.h>
void ar71xx_add_device_m25p80(struct flash_platform_data *pdata) __init; void ar71xx_add_device_m25p80(struct flash_platform_data *pdata) __init;
void ar71xx_add_device_m25p80_multi(struct flash_platform_data *pdata) __init;
#endif /* _AR71XX_DEV_M25P80_H */ #endif /* _AR71XX_DEV_M25P80_H */

View file

@ -11,7 +11,6 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/mtd/mtd.h> #include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/concat.h>
#include <asm/mips_machine.h> #include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h> #include <asm/mach-ar71xx/ar71xx.h>
@ -68,59 +67,13 @@ static struct mtd_partition wzrhpag300h_flash_partitions[] = {
#endif /* CONFIG_MTD_PARTITIONS */ #endif /* CONFIG_MTD_PARTITIONS */
static struct mtd_info *concat_devs[2] = { NULL, NULL }; static struct flash_platform_data wzrhpag300h_flash_data = {
static struct work_struct mtd_concat_work;
static void mtd_concat_add_work(struct work_struct *work)
{
struct mtd_info *mtd;
mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
#ifdef CONFIG_MTD_PARTITIONS #ifdef CONFIG_MTD_PARTITIONS
add_mtd_partitions(mtd, wzrhpag300h_flash_partitions, .parts = wzrhpag300h_flash_partitions,
ARRAY_SIZE(wzrhpag300h_flash_partitions)); .nr_parts = ARRAY_SIZE(wzrhpag300h_flash_partitions),
#else
add_mtd_device(mtd);
#endif #endif
}
static void mtd_concat_add(struct mtd_info *mtd)
{
static bool registered = false;
if (registered)
return;
if (!strcmp(mtd->name, "spi0.0"))
concat_devs[0] = mtd;
else if (!strcmp(mtd->name, "spi0.1"))
concat_devs[1] = mtd;
else
return;
if (!concat_devs[0] || !concat_devs[1])
return;
registered = true;
INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
schedule_work(&mtd_concat_work);
}
static void mtd_concat_remove(struct mtd_info *mtd)
{
}
static void add_mtd_concat_notifier(void)
{
static struct mtd_notifier not = {
.add = mtd_concat_add,
.remove = mtd_concat_remove,
}; };
register_mtd_user(&not);
}
static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = { static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
{ {
.name = "buffalo:red:diag", .name = "buffalo:red:diag",
@ -169,21 +122,6 @@ static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
} }
}; };
static struct spi_board_info ar71xx_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
},
{
.bus_num = 0,
.chip_select = 1,
.max_speed_hz = 25000000,
.modalias = "m25p80",
}
};
static void __init wzrhpag300h_setup(void) static void __init wzrhpag300h_setup(void)
{ {
u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000); u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
@ -218,10 +156,7 @@ static void __init wzrhpag300h_setup(void)
ARRAY_SIZE(wzrhpag300h_gpio_keys), ARRAY_SIZE(wzrhpag300h_gpio_keys),
wzrhpag300h_gpio_keys); wzrhpag300h_gpio_keys);
ar71xx_add_device_spi(NULL, ar71xx_spi_info, ar71xx_add_device_m25p80_multi(&wzrhpag300h_flash_data);
ARRAY_SIZE(ar71xx_spi_info));
add_mtd_concat_notifier();
ap94_pci_init(eeprom1, mac1, eeprom2, mac2); ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
} }