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drivers
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mmc
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core
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Kconfig

Kconfig 975 B
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  1. #
    2. 

  2. # MMC core configuration
    3. 

  3. #
    4. 

  4. 

  5. config MMC_UNSAFE_RESUME
    6. 

  6. 	bool "Assume MMC/SD cards are non-removable (DANGEROUS)"
    7. 

  7. 	help
    8. 

  8. 	  If you say Y here, the MMC layer will assume that all cards
    9. 

  9. 	  stayed in their respective slots during the suspend. The
    10. 

  10. 	  normal behaviour is to remove them at suspend and
    11. 

  11. 	  redetecting them at resume. Breaking this assumption will
    12. 

  12. 	  in most cases result in data corruption.
    13. 

  13. 

  14. 	  This option is usually just for embedded systems which use
    15. 

  15. 	  a MMC/SD card for rootfs. Most people should say N here.
    16. 

  16. 

  17. 	  This option sets a default which can be overridden by the
    18. 

  18. 	  module parameter "removable=0" or "removable=1".
    19. 

  19. 

  20. config MMC_CLKGATE
    21. 

  21. 	bool "MMC host clock gating"
    22. 

  22. 	help
    23. 

  23. 	  This will attempt to aggressively gate the clock to the MMC card.
    24. 

  24. 	  This is done to save power due to gating off the logic and bus
    25. 

  25. 	  noise when the MMC card is not in use. Your host driver has to
    26. 

  26. 	  support handling this in order for it to be of any use.
    27. 

  27. 

  28. 	  If unsure, say N.
    29.