Re: [PATCH] regulator: pfuze100: Fix off-by-one for max_registersetting

[Robin Gong]

On Thu, Aug 01, 2013 at 07:59:56PM +0800, Axel Lin wrote:
> max_register should be register count - 1.
> 
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
> ---
> Hi Robin,
> I don't have the datasheet, can you check if this patch is correct or not?
> If PFUZE_NUMREGS really means register count, I think this fix is required.
> 
Yes, you are right.
Reviewed-by: Robin Gong <b38343@xxxxxxxxxxxxx>
Thanks.
> Thanks,
> Axel
>  drivers/regulator/pfuze100-regulator.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
> index bda5561..ba67b2c 100644
> --- a/drivers/regulator/pfuze100-regulator.c
> +++ b/drivers/regulator/pfuze100-regulator.c
> @@ -332,7 +332,7 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip)
>  static const struct regmap_config pfuze_regmap_config = {
>  	.reg_bits = 8,
>  	.val_bits = 8,
> -	.max_register = PFUZE_NUMREGS,
> +	.max_register = PFUZE_NUMREGS - 1,
>  	.cache_type = REGCACHE_RBTREE,
>  };
>  
> -- 
> 1.8.1.2
> 
> 
> 
> 

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