mtd: Introduce mtd_block_isreserved()

[karo-tx-uboot.git] / drivers / mtd / mtdcore.c

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index cb27ff22be0c6113d3c7fa3b8171a198aa949f74..2f2172b98781ccbbb047fc68801b65d53c400f59 100644 (file)
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1125,12 +1125,22 @@ int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 }
 EXPORT_SYMBOL_GPL(mtd_is_locked);
 
-int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
+int mtd_block_isreserved(struct mtd_info *mtd, loff_t ofs)
 {
-       if (!mtd->_block_isbad)
+       if (ofs < 0 || ofs > mtd->size)
+               return -EINVAL;
+       if (!mtd->_block_isreserved)
                return 0;
+       return mtd->_block_isreserved(mtd, ofs);
+}
+EXPORT_SYMBOL_GPL(mtd_block_isreserved);
+
+int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
+{
        if (ofs < 0 || ofs > mtd->size)
                return -EINVAL;
+       if (!mtd->_block_isbad)
+               return 0;
        return mtd->_block_isbad(mtd, ofs);
 }
 EXPORT_SYMBOL_GPL(mtd_block_isbad);