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mtd: add on-flash BBT support for Atmel NAND driver

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Just add a new on-flash-bbt module parameter.

Signed-off-by: Simon Polette <spolette@adetelgroup.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Simon Polette 2009-05-27 18:19:39 +03:00 committed by David Woodhouse
parent bd3fd62ecc
commit f4fa697c26
1 changed files with 10 additions and 1 deletions
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11
drivers/mtd/nand/atmel_nand.c
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@ -24,6 +24,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@ -47,6 +48,9 @@
#define no_ecc 0
#endif
static int on_flash_bbt = 0;
module_param(on_flash_bbt, int, 0);
/* Register access macros */
#define ecc_readl(add, reg) \
__raw_readl(add + ATMEL_ECC_##reg)
@ -459,12 +463,17 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
if (host->board->det_pin) {
if (gpio_get_value(host->board->det_pin)) {
printk("No SmartMedia card inserted.\n");
printk(KERN_INFO "No SmartMedia card inserted.\n");
res = ENXIO;
goto err_no_card;
}
}
if (on_flash_bbt) {
printk(KERN_INFO "atmel_nand: Use On Flash BBT\n");
nand_chip->options |= NAND_USE_FLASH_BBT;
}
/* first scan to find the device and get the page size */
if (nand_scan_ident(mtd, 1)) {
res = -ENXIO;