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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29440 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-12-05 14:20:44 +00:00
parent 02f4867a49
commit f684eb2454
3 changed files with 78 additions and 72 deletions
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74
target/linux/ar71xx/files/arch/mips/ar71xx/dev-m25p80.c
View File

@ -9,6 +9,9 @@
#include <linux/init.h>
#include <linux/spi/spi.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 "dev-m25p80.h"
@ -19,12 +22,79 @@ static struct spi_board_info ar71xx_spi_info[] = {
.chip_select = 0,
.max_speed_hz = 25000000,
.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)
{
ar71xx_spi_info[0].platform_data = pdata;
ar71xx_add_device_spi(NULL, ar71xx_spi_info,
ARRAY_SIZE(ar71xx_spi_info));
ar71xx_add_device_spi(NULL, ar71xx_spi_info, 1);
}
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));
}

1
target/linux/ar71xx/files/arch/mips/ar71xx/dev-m25p80.h
View File

@ -12,5 +12,6 @@
#include <linux/spi/flash.h>
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 */

75
target/linux/ar71xx/files/arch/mips/ar71xx/mach-wzr-hp-ag300h.c
View File

@ -11,7 +11,6 @@
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/concat.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
@ -68,58 +67,12 @@ static struct mtd_partition wzrhpag300h_flash_partitions[] = {
#endif /* CONFIG_MTD_PARTITIONS */
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");
static struct flash_platform_data wzrhpag300h_flash_data = {
#ifdef CONFIG_MTD_PARTITIONS
add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
ARRAY_SIZE(wzrhpag300h_flash_partitions));
#else
add_mtd_device(mtd);
.parts = wzrhpag300h_flash_partitions,
.nr_parts = ARRAY_SIZE(wzrhpag300h_flash_partitions),
#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 = {
{
@ -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)
{
u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
@ -218,10 +156,7 @@ static void __init wzrhpag300h_setup(void)
ARRAY_SIZE(wzrhpag300h_gpio_keys),
wzrhpag300h_gpio_keys);
ar71xx_add_device_spi(NULL, ar71xx_spi_info,
ARRAY_SIZE(ar71xx_spi_info));
add_mtd_concat_notifier();
ar71xx_add_device_m25p80_multi(&wzrhpag300h_flash_data);
ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
}