Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3e3198f1 authored by Roman Tereshonkov's avatar Roman Tereshonkov Committed by David Woodhouse
Browse files

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: default avatarRoman Tereshonkov <roman.tereshonkov@nokia.com>
Acked-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 7ddbead6

include/linux/mtd/onenand.h

+12 −0
Original line number Diff line number Diff line
@@ -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)