mtd: add on-flash BBT support for Atmel NAND driver
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>
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 47a33ce..2802992 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -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 @@
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;