On 04/22/2013 06:55 AM, Namjae Jeon wrote: > 2013/4/19, Neil Armstrong <narmstr...@neotion.com>: >> Since eMMC 4.3 a special boot mode operation was introduced to retrieve >> data from the eMMC device with a very simple procedure. Since the Linux >> kernel exports these device boot partitions, it may be useful to select >> the boot partition from the user space. >> >> The patch has been tested on a Toshiba eMMC conforming with eMMC 4.5 >> specifications. > Hi Neil. > We can be enable boot partition using mmc-utils. > See this address. > https://git.kernel.org/cgit/linux/kernel/git/cjb/mmc-utils.git/commit/?id=7bd1320b2cb38f040ab5cf017d17e283496690bf > > So, I don't think this patch is useful. > If you consider to be disable boot partition, you can try to update > mmc-utils base on the address I shared. > > Thanks. >> >> Neil Armstrong (3): >> Add BOOT_PARTITION_ENABLE definition to MMC EXT_CSD PART_CONFIG >> Add boot_enable sysfs attribute to select MMC boot operation >> partition >> Add Documentation for MMC boot_enable attribute >> >> Documentation/mmc/mmc-dev-parts.txt | 6 +++ >> drivers/mmc/card/block.c | 72 >> ++++++++++++++++++++++++++++++++++- >> include/linux/mmc/mmc.h | 1 + >> 3 files changed, 78 insertions(+), 1 deletions(-) >> >> >> >
Hi, Thanks for the reply, I was not aware of the mmc-utils tools. I think the tool and the MMC_IOC_CMD interface should be documented in the kernel. Please ignore my patch. Regards, Neil -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
