mtd: Introduce mtd_block_isreserved()

[deliverable/linux.git] / drivers / mtd / mtdpart.c

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 3c7d6d7623c1cd5557b4dfeb38e80e03fc6e2abc..921e8c647884f1bbf1bcfa5aad2238842e37b95e 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -150,11 +150,12 @@ static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
                                                 retlen, buf);
 }
 
-static int part_get_user_prot_info(struct mtd_info *mtd,
-               struct otp_info *buf, size_t len)
+static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
+                                  size_t *retlen, struct otp_info *buf)
 {
        struct mtd_part *part = PART(mtd);
-       return part->master->_get_user_prot_info(part->master, buf, len);
+       return part->master->_get_user_prot_info(part->master, len, retlen,
+                                                buf);
 }
 
 static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
@@ -165,11 +166,12 @@ static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
                                                 retlen, buf);
 }
 
-static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
-               size_t len)
+static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
+                                  size_t *retlen, struct otp_info *buf)
 {
        struct mtd_part *part = PART(mtd);
-       return part->master->_get_fact_prot_info(part->master, buf, len);
+       return part->master->_get_fact_prot_info(part->master, len, retlen,
+                                                buf);
 }
 
 static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
@@ -288,6 +290,13 @@ static void part_resume(struct mtd_info *mtd)
        part->master->_resume(part->master);
 }
 
+static int part_block_isreserved(struct mtd_info *mtd, loff_t ofs)
+{
+       struct mtd_part *part = PART(mtd);
+       ofs += part->offset;
+       return part->master->_block_isreserved(part->master, ofs);
+}
+
 static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
 {
        struct mtd_part *part = PART(mtd);
@@ -420,6 +429,8 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
                slave->mtd._unlock = part_unlock;
        if (master->_is_locked)
                slave->mtd._is_locked = part_is_locked;
+       if (master->_block_isreserved)
+               slave->mtd._block_isreserved = part_block_isreserved;
        if (master->_block_isbad)
                slave->mtd._block_isbad = part_block_isbad;
        if (master->_block_markbad)