[PATCH v1 6/6] configs: stm32mp25: enable CONFIG_SYS_64BIT_LBA

[Patrick DELAUNAY]

Hi,

On 11/29/24 13:27, Patrice Chotard wrote:
> In arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.c, in init_device(),
> in case of RAW_IMAGE, part->size = block_dev->lba * block_dev->blksz.
>
>    _ part->size is declared as u64.
>    _ block_dev->lba is declared as lbaint_t which is uint64_t
>      if CONFIG_SYS_64BIT_LBA is enable, otherwise ulong.
>    _ block_dev->blksz is declared as unsigned long.
>
> For example, in case block_dev->lba = 0x1dacc00, block_dev->blksz = 0x200
> then part->size 0x5980000 which is incorrect as both are declared as ulong.
>
> To fix this overflow issue, enable CONFIG_SYS_64BIT_LBA, block_dev->lba is
> then declared as uint64_t and part->size get the correct value 0x3b5980000.
>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
>
>   configs/stm32mp25_defconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/configs/stm32mp25_defconfig b/configs/stm32mp25_defconfig
> index d3f0c088157..073172c3804 100644
> --- a/configs/stm32mp25_defconfig
> +++ b/configs/stm32mp25_defconfig
> @@ -33,6 +33,7 @@ CONFIG_CMD_REGULATOR=y
>   CONFIG_CMD_LOG=y
>   CONFIG_OF_LIVE=y
>   CONFIG_NO_NET=y
> +CONFIG_SYS_64BIT_LBA=y
>   CONFIG_GPIO_HOG=y
>   CONFIG_DM_I2C=y
>   CONFIG_SYS_I2C_STM32F7=y



Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>

Thanks
Patrick