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mtd: introduce mtd_get_user_prot_info interface 

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy 2011-12-23 18:45:11 +02:00 committed by David Woodhouse
parent d264f72ae5
commit 855e5d8cfe
3 changed files with 11 additions and 3 deletions
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2
drivers/mtd/mtdchar.c
View File

@ -930,7 +930,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
break; break;
case MTD_FILE_MODE_OTP_USER: case MTD_FILE_MODE_OTP_USER:
if (mtd->get_user_prot_info) if (mtd->get_user_prot_info)
ret = mtd->get_user_prot_info(mtd, buf, 4096); ret = mtd_get_user_prot_info(mtd, buf, 4096);
break; break;
default: default:
break; break;

2
drivers/mtd/mtdpart.c
View File

@ -160,7 +160,7 @@ static int part_get_user_prot_info(struct mtd_info *mtd,
struct otp_info *buf, size_t len) struct otp_info *buf, size_t len)
{ {
struct mtd_part *part = PART(mtd); struct mtd_part *part = PART(mtd);
return part->master->get_user_prot_info(part->master, buf, len); return mtd_get_user_prot_info(part->master, buf, len);
} }
static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,

10
include/linux/mtd/mtd.h
View File

@ -196,13 +196,14 @@ struct mtd_info {
size_t len); size_t len);
int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf); size_t len, size_t *retlen, u_char *buf);
int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
size_t len);
/* Backing device capabilities for this device /* Backing device capabilities for this device
* - provides mmap capabilities * - provides mmap capabilities
*/ */
struct backing_dev_info *backing_dev_info; struct backing_dev_info *backing_dev_info;
int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf); int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len); int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
@ -345,6 +346,13 @@ static inline int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf); return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf);
} }
static inline int mtd_get_user_prot_info(struct mtd_info *mtd,
struct otp_info *buf,
size_t len)
{
return mtd->get_user_prot_info(mtd, buf, len);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev) static inline struct mtd_info *dev_to_mtd(struct device *dev)
{ {
return dev ? dev_get_drvdata(dev) : NULL; return dev ? dev_get_drvdata(dev) : NULL;