Add boot_enable attribute to eMMC device for boot mode operation selection
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- v1 Latest3 patches 5 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | Add BOOT_PARTITION_ENABLE definition to MMC EXT_CSD PART_CONFIGinclude/ | +1 | 1 reply | |
| 2/3 | Add boot_enable sysfs attribute to select MMC boot operation partitiondrivers/ | +1 | 0 replies | |
| 3/3 | Add Documentation for MMC boot_enable attributeDocumentation/ | +0 | 1 reply |
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Cover letter [PATCH 0/3] Add boot_enable attribute to eMMC device for boot mode operation selection
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.
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(-)