mtd: onenand: add option and variable for cache program feature

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=3e3198f1adda8e0fbd499bde806781237d6c841f
Commit:     3e3198f1adda8e0fbd499bde806781237d6c841f
Parent:     7ddbead6e6d3c730570a215ab9a6b1d126c54d34
Author:     Roman Tereshonkov <roman.tereshonkov at nokia.com>
AuthorDate: Wed Nov 3 12:55:19 2010 +0200
Committer:  David Woodhouse <David.Woodhouse at intel.com>
CommitDate: Fri Dec 3 16:27:54 2010 +0000

    mtd: onenand: add option and variable for cache program feature
    
    A new option is added for cache program feature. A new variable
    ongoing is introduced for onenand_chip to handle the multi-command
    cache program operation.
    
    Signed-off-by: Roman Tereshonkov <roman.tereshonkov at nokia.com>
    Acked-by: Kyungmin Park <kyungmin.park at samsung.com>
    Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
    Signed-off-by: David Woodhouse <David.Woodhouse at intel.com>
---
 include/linux/mtd/onenand.h |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 0c8815b..6da3fe3 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -137,6 +137,14 @@ struct onenand_chip {
 	void			*bbm;
 
 	void			*priv;
+
+	/*
+	 * Shows that the current operation is composed
+	 * of sequence of commands. For example, cache program.
+	 * Such command status OnGo bit is checked at the end of
+	 * sequence.
+	 */
+	unsigned int		ongoing;
 };
 
 /*
@@ -171,6 +179,9 @@ struct onenand_chip {
 #define ONENAND_IS_2PLANE(this)			(0)
 #endif
 
+#define ONENAND_IS_CACHE_PROGRAM(this)					\
+	(this->options & ONENAND_HAS_CACHE_PROGRAM)
+
 /* Check byte access in OneNAND */
 #define ONENAND_CHECK_BYTE_ACCESS(addr)		(addr & 0x1)
 
@@ -181,6 +192,7 @@ struct onenand_chip {
 #define ONENAND_HAS_UNLOCK_ALL		(0x0002)
 #define ONENAND_HAS_2PLANE		(0x0004)
 #define ONENAND_HAS_4KB_PAGE		(0x0008)
+#define ONENAND_HAS_CACHE_PROGRAM	(0x0010)
 #define ONENAND_SKIP_UNLOCK_CHECK	(0x0100)
 #define ONENAND_PAGEBUF_ALLOC		(0x1000)
 #define ONENAND_OOBBUF_ALLOC		(0x2000)