Re: [PATCH] mmc: block: Change MMC_IOC_MAX_BYTES

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 
> 
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux