Hi,
On 10/18/2016 07:39 PM, Jeremy Kim wrote:
>
> It is used for limitation of buffer size during IOCTL such as FFU. However,
> eMMC FW size is bigger than (512L*256).
> (For instance, currently, Samsung eMMC FW size is over 300KB.)
> So, it needs to increase to execute FFU.
>
>
> Signed-off-by: Jeonghan Kim <jh4u.kim@xxxxxxxxxxx>
> ---
> ioctl.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Where is ioctl.h? "include/uapi/linux/mmc/ioctl.h"?
Best Regards,
Jaehoon Chung
>
> diff --git a/ioctl.h b/ioctl.h
> index 7e385b8..700a551 100644
> --- a/ioctl.h
> +++ b/ioctl.h
> @@ -69,6 +69,6 @@ struct mmc_ioc_multi_cmd {
> * is enforced per ioctl call. For larger data transfers, use the normal
> * block device operations.
> */
> -#define MMC_IOC_MAX_BYTES (512L * 256)
> +#define MMC_IOC_MAX_BYTES (512L * 1024)
> #define MMC_IOC_MAX_CMDS 255
> #endif /* LINUX_MMC_IOCTL_H */
> --
> 1.9.1
>
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>
>
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