diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c deleted file mode 100644 index e53d97dcbf..0000000000 --- a/target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#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 "dev-spi.h" -#include "dev-m25p80.h" - -static struct spi_board_info ath79_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 struct ath79_spi_platform_data ath79_spi_data; - -void __init ath79_register_m25p80(struct flash_platform_data *pdata) -{ - ath79_spi_data.bus_num = 0; - ath79_spi_data.num_chipselect = 1; - ath79_spi_info[0].platform_data = pdata; - ath79_register_spi(&ath79_spi_data, ath79_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"); - - mtd_device_register(mtd, multi_pdata->parts, multi_pdata->nr_parts); -} - -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(¬); -} - -void __init ath79_register_m25p80_multi(struct flash_platform_data *pdata) -{ - multi_pdata = pdata; - add_mtd_concat_notifier(); - ath79_spi_data.bus_num = 0; - ath79_spi_data.num_chipselect = 2; - ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2); -} |