mtd: OneNAND: add enable / disable methods to onenand_chip

Add enable / disable methods called from get_device() / release_device().
These can be used, for example, to allow the driver to prevent the voltage
regulator from being put to sleep while OneNAND is in use.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 6da3fe314828..ae418e41d8f5 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -118,6 +118,8 @@ struct onenand_chip {
         int (*chip_probe)(struct mtd_info *mtd);
         int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
         int (*scan_bbt)(struct mtd_info *mtd);
+        int (*enable)(struct mtd_info *mtd);
+        int (*disable)(struct mtd_info *mtd);
 
         struct completion       complete;
         int                     irq;