mtd: omap: add new variable to platform data to control onenand unlocking

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=c93ff6bf16523d33e991a1fadde1b8d63eb7cd2c
Commit:     c93ff6bf16523d33e991a1fadde1b8d63eb7cd2c
Parent:     b3dcfd35244e1cb8dc8dfa5c05013b133dbb437a
Author:     Roman Tereshonkov <roman.tereshonkov at nokia.com>
AuthorDate: Thu Feb 17 13:44:42 2011 +0200
Committer:  David Woodhouse <David.Woodhouse at intel.com>
CommitDate: Fri Mar 11 14:22:47 2011 +0000

    mtd: omap: add new variable to platform data to control onenand unlocking
    
    New variable skip_initial_unlocking is added to the omap_onenand_platform_data.
    This is used to inform the onenand driver to skip onenand unlocking when it
    is initialized.
    
    Signed-off-by: Roman Tereshonkov <roman.tereshonkov at nokia.com>
    Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
    Signed-off-by: David Woodhouse <David.Woodhouse at intel.com>
---
 arch/arm/plat-omap/include/plat/onenand.h |    1 +
 drivers/mtd/onenand/omap2.c               |    7 +++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h
index affe87e..1b430d5 100644
--- a/arch/arm/plat-omap/include/plat/onenand.h
+++ b/arch/arm/plat-omap/include/plat/onenand.h
@@ -24,6 +24,7 @@ struct omap_onenand_platform_data {
 	int			dma_channel;
 	u8			flags;
 	u8			regulator_can_sleep;
+	u8			skip_initial_unlocking;
 };
 
 #define ONENAND_MAX_PARTITIONS 8
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index c849cac..ea32c2f 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -631,6 +631,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 {
 	struct omap_onenand_platform_data *pdata;
 	struct omap2_onenand *c;
+	struct onenand_chip *this;
 	int r;
 
 	pdata = pdev->dev.platform_data;
@@ -728,9 +729,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 
 	c->mtd.dev.parent = &pdev->dev;
 
+	this = &c->onenand;
 	if (c->dma_channel >= 0) {
-		struct onenand_chip *this = &c->onenand;
-
 		this->wait = omap2_onenand_wait;
 		if (cpu_is_omap34xx()) {
 			this->read_bufferram = omap3_onenand_read_bufferram;
@@ -751,6 +751,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
 		c->onenand.disable = omap2_onenand_disable;
 	}
 
+	if (pdata->skip_initial_unlocking)
+		this->options |= ONENAND_SKIP_INITIAL_UNLOCKING;
+
 	if ((r = onenand_scan(&c->mtd, 1)) < 0)
 		goto err_release_regulator;