mtd: do not use mtd->read_*_prot_reg directly
Instead, call 'mtd_read_*_prot_info()' and check for -EOPNOTSUPP.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 7122efd..e488cf9 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -352,6 +352,8 @@
u_char *buf)
{
*retlen = 0;
+ if (!mtd->read_fact_prot_reg)
+ return -EOPNOTSUPP;
return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf);
}
@@ -369,6 +371,8 @@
u_char *buf)
{
*retlen = 0;
+ if (!mtd->read_user_prot_reg)
+ return -EOPNOTSUPP;
return mtd->read_user_prot_reg(mtd, from, len, retlen, buf);
}