mtd: OneNAND: Introduce chip_probe function

Samsung SoCs use the own OneNAND controler and detect OneNAND chip at power on.
To use this feature, introduce the chip_probe function.

Also remove workaround for Samsung SoCs.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.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 c26ff86ad08a..0c8815bfae1c 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -68,6 +68,7 @@ struct onenand_bufferram {
  * @write_word:         [REPLACEABLE] hardware specific function for write
  *                      register of OneNAND
  * @mmcontrol:          sync burst read function
+ * @chip_probe:         [REPLACEABLE] hardware specific function for chip probe
  * @block_markbad:      function to mark a block as bad
  * @scan_bbt:           [REPLACEALBE] hardware specific function for scanning
  *                      Bad block Table
@@ -114,6 +115,7 @@ struct onenand_chip {
         unsigned short (*read_word)(void __iomem *addr);
         void (*write_word)(unsigned short value, void __iomem *addr);
         void (*mmcontrol)(struct mtd_info *mtd, int sync_read);
+        int (*chip_probe)(struct mtd_info *mtd);
         int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
         int (*scan_bbt)(struct mtd_info *mtd);