mtd: nand: fix GET/SET_FEATURES address on 16-bit devices

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=e34fcb07a6d57411de6e15a47724fbe92c5caa42
Commit:     e34fcb07a6d57411de6e15a47724fbe92c5caa42
Parent:     00d09891eb947f8c4a7cb4d16bf3de305a65de77
Author:     David Mosberger <davidm at egauge.net>
AuthorDate: Fri Mar 21 16:05:10 2014 -0600
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Tue Mar 25 23:31:26 2014 -0700

    mtd: nand: fix GET/SET_FEATURES address on 16-bit devices
    
    GET_FEATURES and SET_FEATURES also need byte-addressing on 16-bit devices.
    
    Signed-off-by: David Mosberger <davidm at egauge.net>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 include/linux/mtd/nand.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 0747fef..450d61e 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -925,7 +925,16 @@ static inline bool nand_is_slc(struct nand_chip *chip)
  */
 static inline int nand_opcode_8bits(unsigned int command)
 {
-	return command == NAND_CMD_READID || command == NAND_CMD_PARAM;
+	switch (command) {
+	case NAND_CMD_READID:
+	case NAND_CMD_PARAM:
+	case NAND_CMD_GET_FEATURES:
+	case NAND_CMD_SET_FEATURES:
+		return 1;
+	default:
+		break;
+	}
+	return 0;
 }
 
 /* return the supported JEDEC features. */