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#
# MMC core configuration
#
config MMC_RING_BUFFER
bool "MMC_RING_BUFFER"
depends on MMC
default n
help
This enables the ring buffer tracing of significant
events for mmc driver to provide command history for
debugging purpose.
If unsure, say N.
config MMC_EMBEDDED_SDIO
boolean "MMC embedded SDIO device support (EXPERIMENTAL)"
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 (EXPERIMENTAL)"
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 MMC_CLKGATE
bool "MMC host clock gating"
help
This will attempt to aggressively gate the clock to the MMC card.
This is done to save power due to gating off the logic and bus
noise when the MMC card is not in use. Your host driver has to
support handling this in order for it to be of any use.
If unsure, say N.
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