UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Roman Tereshonkov 2011-02-17 13:44:42 +02:00 committed by David Woodhouse
parent b3dcfd3524
commit c93ff6bf16
2 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/plat-omap/include/plat/onenand.h
View File

@ -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

7
drivers/mtd/onenand/omap2.c
View File

@ -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;