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mtd: unify status enum from three headers

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nand.h, onenand.h and flashchip.h defined enumeration types
for chip status using the same symbolic names. This prevented
a board file to include more than one of them. In particular,
no nand and onenand platform devices could live in the same file.
This patch augments flashchip.h with a few status values in order
to cover all cases, so nand.h and onenand.h can use flstate_t
without declaring their own status enum.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Alessandro Rubini 2009-09-20 23:28:14 +02:00 committed by David Woodhouse
parent c62d81bcfe
commit 30631cb82d
3 changed files with 11 additions and 32 deletions
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7
include/linux/mtd/flashchip.h
View File

@ -38,6 +38,13 @@ typedef enum {
FL_XIP_WHILE_ERASING,
FL_XIP_WHILE_WRITING,
FL_SHUTDOWN,
/* These 2 come from nand_state_t, which has been unified here */
FL_READING,
FL_CACHEDPRG,
/* These 2 come from onenand_state_t, which has been unified here */
FL_RESETING,
FL_OTPING,
FL_UNKNOWN
} flstate_t;

17
include/linux/mtd/nand.h
View File

@ -21,6 +21,7 @@
#include <linux/wait.h>
#include <linux/spinlock.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/flashchip.h>
#include <linux/mtd/bbm.h>
struct mtd_info;
@ -203,20 +204,6 @@ typedef enum {
#define NAND_CI_CHIPNR_MSK 0x03
#define NAND_CI_CELLTYPE_MSK 0x0C
/*
* nand_state_t - chip states
* Enumeration for NAND flash chip state
*/
typedef enum {
FL_READY,
FL_READING,
FL_WRITING,
FL_ERASING,
FL_SYNCING,
FL_CACHEDPRG,
FL_PM_SUSPENDED,
} nand_state_t;
/* Keep gcc happy */
struct nand_chip;
@ -403,7 +390,7 @@ struct nand_chip {
uint8_t cellinfo;
int badblockpos;
nand_state_t state;
flstate_t state;
uint8_t *oob_poi;
struct nand_hw_control *controller;

19
include/linux/mtd/onenand.h
View File

@ -14,6 +14,7 @@
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/mtd/flashchip.h>
#include <linux/mtd/onenand_regs.h>
#include <linux/mtd/bbm.h>
@ -25,22 +26,6 @@ extern int onenand_scan(struct mtd_info *mtd, int max_chips);
/* Free resources held by the OneNAND device */
extern void onenand_release(struct mtd_info *mtd);
/*
* onenand_state_t - chip states
* Enumeration for OneNAND flash chip state
*/
typedef enum {
FL_READY,
FL_READING,
FL_WRITING,
FL_ERASING,
FL_SYNCING,
FL_LOCKING,
FL_RESETING,
FL_OTPING,
FL_PM_SUSPENDED,
} onenand_state_t;
/**
* struct onenand_bufferram - OneNAND BufferRAM Data
* @blockpage: block & page address in BufferRAM
@ -137,7 +122,7 @@ struct onenand_chip {
spinlock_t chip_lock;
wait_queue_head_t wq;
onenand_state_t state;
flstate_t state;
unsigned char *page_buf;
unsigned char *oob_buf;