Files
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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#
# MMC core configuration
#
config PWRSEQ_EMMC
tristate "HW reset support for eMMC"
default y
depends on OF
help
This selects Hardware reset support aka pwrseq-emmc for eMMC
devices. By default this option is set to y.
This driver can also be built as a module. If so, the module
will be called pwrseq_emmc.
config PWRSEQ_SD8787
tristate "HW reset support for SD8787 BT + Wifi module"
depends on OF && (MWIFIEX || BT_MRVL_SDIO)
help
This selects hardware reset support for the SD8787 BT + Wifi
module. By default this option is set to n.
This driver can also be built as a module. If so, the module
will be called pwrseq_sd8787.
config PWRSEQ_SIMPLE
tristate "Simple HW reset support for MMC"
default y
depends on OF
help
This selects simple hardware reset support aka pwrseq-simple for MMC
devices. By default this option is set to y.
This driver can also be built as a module. If so, the module
will be called pwrseq_simple.
config MMC_BLOCK
tristate "MMC block device driver"
depends on BLOCK
default y
help
Say Y here to enable the MMC block device driver support.
This provides a block device driver, which you can use to
mount the filesystem. Almost everyone wishing MMC support
should say Y or M here.
config MMC_BLOCK_MINORS
int "Number of minors per block device"
depends on MMC_BLOCK
range 4 256
default 8
help
Number of minors per block device. One is needed for every
partition on the disk (plus one for the whole disk).
Number of total MMC minors available is 256, so your number
of supported block devices will be limited to 256 divided
by this number.
Default is 8 to be backwards compatible with previous
hardwired device numbering.
If unsure, say 8 here.
config SDIO_UART
tristate "SDIO UART/GPS class support"
depends on TTY
help
SDIO function driver for SDIO cards that implements the UART
class, as well as the GPS class which appears like a UART.
config MMC_TEST
tristate "MMC host test driver"
help
Development driver that performs a series of reads and writes
to a memory card in order to expose certain well known bugs
in host controllers. The tests are executed by writing to the
"test" file in debugfs under each card. Note that whatever is
on your card will be overwritten by these tests.
This driver is only of interest to those developing or
testing a host driver. Most people should say N here.
config MMC_CRYPTO
bool "MMC Crypto Engine Support"
depends on BLK_INLINE_ENCRYPTION
help
Enable Crypto Engine Support in MMC.
Enabling this makes it possible for the kernel to use the crypto
capabilities of the MMC device (if present) to perform crypto
operations on data being transferred to/from the device.
config MMC_CRYPTO_LEGACY
bool "MMC Crypto legacy Support"
depends on BLK_INLINE_ENCRYPTION
help
Only for MTK legacy eMMC Crypto Engine, such as OTA projects
of Android.
Enabling this makes crypto data unit size is 512 bytes which
used in MTK legacy eMMC Crypto Engine platforms.
config MMC_BLOCK_IO_LOG
bool "Block IO log"
depends on MMC_BLOCK
depends on MTK_BLOCK_TAG
default y
help
The BLOCK TAG trace provides I/O logs for performance analysis and
application access pattern study. The BLOCK TAG trace summarizes the
I/O of each process every 1 second, and saves to ring buffer. The log
can be displayed by "cat /sys/kernel/debug/blockio".
The trace is default enabled on user and eng builts, say N here to
disable it.
config MMC_FFU
bool "Field firmware updates to eMMC FW"
depends on MMC
help
This is an option to run firmware update on eMMC 5.0.
Field firmware updates (FFU) enables features enhancement
in the field.
This is must to upgrade the eMMC FW.
config MMC_EMBEDDED_SDIO
boolean "MMC embedded SDIO device support"
help
If you say Y here, support will be added for embedded SDIO
devices which do not contain the necessary enumeration
support in hardware to be properly detected.
config MMC_PARANOID_SD_INIT
bool "Enable paranoid SD card initialization"
help
If you say Y here, the MMC layer will be extra paranoid
about re-trying SD init requests. This can be a useful
work-around for buggy controllers and hardware. Enable
if you are experiencing issues with SD detection.
config MTK_MMC_PWR_WP
bool "Kernel power-on write protect Support"
depends on MMC
help
This is an option to set power-on write protect on the partitions which
have already been defined in kernel. Currently, only for HUIWEI projects
use.
E.g. Kernel hard-code a partition named "system", User space use
ioctl(fd, MMC_IOC_WP_CMD , &buf ) will set power-on write protect on it.
config MMC_CRYPTO
bool "MMC Crypto Engine Support"
depends on BLK_INLINE_ENCRYPTION
help
Enable Crypto Engine Support in MMC.
Enabling this makes it possible for the kernel to use the crypto
capabilities of the MMC device (if present) to perform crypto
operations on data being transferred to/from the device.