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Commit b3dcfd35 authored Feb 17, 2011 by Roman Tereshonkov Committed by David Woodhouse Mar 11, 2011

mtd: onenand: add new option to control initial onenand unlocking

A new option ONENAND_SKIP_INITIAL_UNLOCKING is added. This allows
to disable initial onenand unlocking when the driver is initialized.

Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

parent dcfb81d6

drivers/mtd/onenand/onenand_base.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4085,6 +4085,7 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
		mtd->writebufsize = mtd->writesize;

		/* Unlock whole block */
		if (!(this->options & ONENAND_SKIP_INITIAL_UNLOCKING))
		this->unlock_all(mtd);

		ret = this->scan_bbt(mtd);

include/linux/mtd/onenand.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -198,6 +198,7 @@ struct onenand_chip {
		#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
		#define ONENAND_PAGEBUF_ALLOC (0x1000)
		#define ONENAND_OOBBUF_ALLOC (0x2000)
		#define ONENAND_SKIP_INITIAL_UNLOCKING (0x4000)

		#define ONENAND_IS_4KB_PAGE(this) \
		(this->options & ONENAND_HAS_4KB_PAGE)