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openwrt-xburst/target/linux/lantiq/patches-3.3/0006-mtd-support.patch

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From 4bd56362cd1780530d981e2e9f3793c4d7da7e02 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Fri, 3 Aug 2012 09:53:27 +0200
Subject: [PATCH 06/25] mtd support
---
drivers/mtd/devices/m25p80.c | 1 +
drivers/mtd/maps/lantiq-flash.c | 22 +++-------------------
drivers/mtd/nand/plat_nand.c | 1 +
include/linux/mtd/nand.h | 1 +
4 files changed, 6 insertions(+), 19 deletions(-)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index b06f46c..33bfd9b 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -684,6 +684,7 @@ static const struct spi_device_id m25p_ids[] = {
{ "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) },
/* Macronix */
+ { "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 8, SECT_4K) },
{ "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
{ "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },
{ "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) },
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
index cf7a3cd..ccc6954 100644
--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -108,7 +108,7 @@ ltq_copy_to(struct map_info *map, unsigned long to,
spin_unlock_irqrestore(&ebu_lock, flags);
}
-static int __init
+static int __devinit
ltq_mtd_probe(struct platform_device *pdev)
{
struct physmap_flash_data *ltq_mtd_data = dev_get_platdata(&pdev->dev);
@@ -204,6 +204,7 @@ ltq_mtd_remove(struct platform_device *pdev)
}
static struct platform_driver ltq_mtd_driver = {
+ .probe = ltq_mtd_probe,
.remove = __devexit_p(ltq_mtd_remove),
.driver = {
.name = "ltq_nor",
@@ -211,24 +212,7 @@ static struct platform_driver ltq_mtd_driver = {
},
};
-static int __init
-init_ltq_mtd(void)
-{
- int ret = platform_driver_probe(&ltq_mtd_driver, ltq_mtd_probe);
-
- if (ret)
- pr_err("ltq_nor: error registering platform driver");
- return ret;
-}
-
-static void __exit
-exit_ltq_mtd(void)
-{
- platform_driver_unregister(&ltq_mtd_driver);
-}
-
-module_init(init_ltq_mtd);
-module_exit(exit_ltq_mtd);
+module_platform_driver(ltq_mtd_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
index 10f142d..4cb118b 100644
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -75,6 +75,7 @@ static int __devinit plat_nand_probe(struct platform_device *pdev)
data->chip.select_chip = pdata->ctrl.select_chip;
data->chip.write_buf = pdata->ctrl.write_buf;
data->chip.read_buf = pdata->ctrl.read_buf;
+ data->chip.read_byte = pdata->ctrl.read_byte;
data->chip.chip_delay = pdata->chip.chip_delay;
data->chip.options |= pdata->chip.options;
data->chip.bbt_options |= pdata->chip.bbt_options;
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index c2761fd..5e44cda 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -652,6 +652,7 @@ struct platform_nand_ctrl {
void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl);
void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len);
void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len);
+ unsigned char (*read_byte)(struct mtd_info *mtd);
void *priv;
};
--
1.7.9.1