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[MTD NAND] Allocate chip->buffers separately to allow it to be overridden

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In particular, the board driver might need it to be DMAable.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2006-09-25 17:08:04 +01:00
parent 3b85c3211e
commit 4bf63fcb83
3 changed files with 26 additions and 17 deletions
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6
include/linux/mtd/nand.h
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@@ -183,7 +183,9 @@ typedef enum {
#define NAND_USE_FLASH_BBT 0x00010000
/* This option skips the bbt scan during initialization. */
#define NAND_SKIP_BBTSCAN 0x00020000
/* This option is defined if the board driver allocates its own buffers
(e.g. because it needs them DMA-coherent */
#define NAND_OWN_BUFFERS 0x00040000
/* Options set by nand scan */
/* Nand scan has allocated controller struct */
#define NAND_CONTROLLER_ALLOC 0x80000000
@@ -385,7 +387,7 @@ struct nand_chip {
struct nand_ecclayout *ecclayout;
struct nand_ecc_ctrl ecc;
struct nand_buffers buffers;
struct nand_buffers *buffers;
struct nand_hw_control hwcontrol;
struct mtd_oob_ops ops;