mtd: introduce mtd_get_fact_prot_info interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 234e3d2..4b1772f 100644 (file)
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -925,7 +925,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
                switch (mfi->mode) {
                case MTD_FILE_MODE_OTP_FACTORY:
                        if (mtd->get_fact_prot_info)
-                               ret = mtd->get_fact_prot_info(mtd, buf, 4096);
+                               ret = mtd_get_fact_prot_info(mtd, buf, 4096);
                        break;
                case MTD_FILE_MODE_OTP_USER:
                        if (mtd->get_user_prot_info)

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 8a46cd2..6bed8bb 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -175,7 +175,7 @@ static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
                size_t len)
 {
        struct mtd_part *part = PART(mtd);
-       return part->master->get_fact_prot_info(part->master, buf, len);
+       return mtd_get_fact_prot_info(part->master, buf, len);
 }
 
 static int part_write(struct mtd_info *mtd, loff_t to, size_t len,

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index abbc96a..9a7a7f2 100644 (file)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -192,18 +192,14 @@ struct mtd_info {
                         struct mtd_oob_ops *ops);
        int (*write_oob) (struct mtd_info *mtd, loff_t to,
                          struct mtd_oob_ops *ops);
+       int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
+                                  size_t len);
 
        /* Backing device capabilities for this device
         * - provides mmap capabilities
         */
        struct backing_dev_info *backing_dev_info;
 
-       /*
-        * Methods to access the protection register area, present in some
-        * flash devices. The user data is one time programmable but the
-        * factory data is read only.
-        */
-       int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
        int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, 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);
@@ -330,6 +326,17 @@ static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
        return mtd->write_oob(mtd, to, ops);
 }
 
+/*
+ * Method to access the protection register area, present in some flash
+ * devices. The user data is one time programmable but the factory data is read
+ * only.
+ */
+static inline int mtd_get_fact_prot_info(struct mtd_info *mtd,
+                                        struct otp_info *buf, size_t len)
+{
+       return mtd->get_fact_prot_info(mtd, buf, len);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
        return dev ? dev_get_drvdata(dev) : NULL;