[U-Boot] [U-Boot, v6, 4/9] nand: Extend nand_(read|write)_skip_bad with *actual and limit parameters

[Igor Grinberg <grinberg@compulab.co.il>]

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On 04/10/13 16:08, Tom Rini wrote:
> On Thu, Mar 14, 2013 at 05:32:50AM -0000, Tom Rini wrote:
> 
>> We make these two functions take a size_t pointer to how much space
>> was used on NAND to read or write the buffer (when reads/writes happen)
>> so that bad blocks can be accounted for.  We also make them take an
>> loff_t limit on how much data can be read or written.  This means that
>> we can now catch the case of when writing to a partition would exceed
>> the partition size due to bad blocks.  To do this we also need to make
>> check_skip_len count not just complete blocks used but partial ones as
>> well.  All callers of nand_(read|write)_skip_bad are adjusted to call
>> these with the most sensible limits available.
>>
>> The changes were started by Pantelis and finished by Tom.
>>
>> Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
>> Signed-off-by: Tom Rini <trini@ti.com>
> 
> With current master, the following changes are needed to adapt cm_t35 to
> these call changes:

I guess, you will squash both patches into one, right?

Acked-by: Igor Grinberg <grinberg@compulab.co.il>

> 
> diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
> index 629ce4a..84c36ba 100644
> --- a/board/cm_t35/cm_t35.c
> +++ b/board/cm_t35/cm_t35.c
> @@ -91,6 +91,7 @@ static int splash_load_from_nand(u32 bmp_load_addr)
>  
>  	res = nand_read_skip_bad(&nand_info[nand_curr_device],
>  			splash_screen_nand_offset, &bmp_header_size,
> +			NULL, nand_info[nand_curr_device].size,
>  			(u_char *)bmp_load_addr);
>  	if (res < 0)
>  		return res;
> @@ -103,6 +104,7 @@ static int splash_load_from_nand(u32 bmp_load_addr)
>  
>  	return nand_read_skip_bad(&nand_info[nand_curr_device],
>  			splash_screen_nand_offset, &bmp_size,
> +			NULL, nand_info[nand_curr_device].size,
>  			(u_char *)bmp_load_addr);
>  
>  splash_address_too_high:
> 

- -- 
Regards,
Igor.
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