From patchwork Thu Dec 29 09:27:19 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v2,15/27] mtd: introduce mtd_read_user_prot_reg interface From: Artem Bityutskiy X-Patchwork-Id: 133520 Message-Id: <1325150851-2805-16-git-send-email-dedekind1@gmail.com> To: linux-mtd@lists.infradead.org Cc: Mike Dunn Date: Thu, 29 Dec 2011 11:27:19 +0200 From: Artem Bityutskiy Signed-off-by: Artem Bityutskiy --- drivers/mtd/mtdchar.c | 3 ++- drivers/mtd/mtdpart.c | 3 +-- include/linux/mtd/mtd.h | 10 +++++++++- 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 80c342c..4941e58 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -217,7 +217,8 @@ static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count, &retlen, kbuf); break; case MTD_FILE_MODE_OTP_USER: - ret = mtd->read_user_prot_reg(mtd, *ppos, len, &retlen, kbuf); + ret = mtd_read_user_prot_reg(mtd, *ppos, len, + &retlen, kbuf); break; case MTD_FILE_MODE_RAW: { diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index bf1ab56..f018373 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -152,8 +152,7 @@ static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct mtd_part *part = PART(mtd); - return part->master->read_user_prot_reg(part->master, from, - len, retlen, buf); + return mtd_read_user_prot_reg(part->master, from, len, retlen, buf); } static int part_get_user_prot_info(struct mtd_info *mtd, diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index ff0a3a1..855fb7f 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -198,13 +198,14 @@ struct mtd_info { 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); + int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, + size_t len, size_t *retlen, u_char *buf); /* Backing device capabilities for this device * - provides mmap capabilities */ struct backing_dev_info *backing_dev_info; - 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 (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len); @@ -353,6 +354,13 @@ static inline int mtd_get_user_prot_info(struct mtd_info *mtd, return mtd->get_user_prot_info(mtd, buf, len); } +static inline int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from, + size_t len, size_t *retlen, + u_char *buf) +{ + return mtd->read_user_prot_reg(mtd, from, len, retlen, buf); +} + static inline struct mtd_info *dev_to_mtd(struct device *dev) { return dev ? dev_get_drvdata(dev) : NULL;