"Mark A. Greer" <[email protected]> writes:
> From: Mark A. Greer <[email protected]>
>
> The existing NAND infrastructure allows the default main and
> mirror bad block tables to be overridden in nand_default_bbt().
> However, the davinci_nand driver does not support this. So,
> add fields to the davinci driver's platform data so platform
> code can pass in their own bbt's and make the driver honor
> those overrides.
>
> Signed-off-by: Mark A. Greer <[email protected]>
Hi Mark,
Can you resend this to linux-mtd with my signoff. This will need to
go upstream via the MTD tree and probably should have Sudhakar's
signoff as well.
Thanks,
Kevin
> ---
> This is required by the da830 evm (see following patch) which requires
> different 'offs' and 'veroffs' values than the default. This seemed
> like the solution that fit best with the existing infratructure. If
> anyone has a better solution, please speak up.
>
> arch/arm/mach-davinci/include/mach/nand.h | 4 ++++
> drivers/mtd/nand/davinci_nand.c | 2 ++
> 2 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/include/mach/nand.h
> b/arch/arm/mach-davinci/include/mach/nand.h
> index b520c4b..b2ad809 100644
> --- a/arch/arm/mach-davinci/include/mach/nand.h
> +++ b/arch/arm/mach-davinci/include/mach/nand.h
> @@ -79,6 +79,10 @@ struct davinci_nand_pdata { /*
> platform_data */
>
> /* e.g. NAND_BUSWIDTH_16 or NAND_USE_FLASH_BBT */
> unsigned options;
> +
> + /* Main and mirror bbt descriptor overrides */
> + struct nand_bbt_descr *bbt_td;
> + struct nand_bbt_descr *bbt_md;
> };
>
> #endif /* __ARCH_ARM_DAVINCI_NAND_H */
> diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
> index 0bcfd49..31461d7 100644
> --- a/drivers/mtd/nand/davinci_nand.c
> +++ b/drivers/mtd/nand/davinci_nand.c
> @@ -591,6 +591,8 @@ static int __init nand_davinci_probe(struct
> platform_device *pdev)
>
> /* options such as NAND_USE_FLASH_BBT or 16-bit widths */
> info->chip.options = pdata->options;
> + info->chip.bbt_td = pdata->bbt_td;
> + info->chip.bbt_md = pdata->bbt_md;
>
> info->ioaddr = (uint32_t __force) vaddr;
>
> --
> 1.6.2.5.182.ga808d
>
>
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