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kernel/linux-imx6_3.14.28/Documentation/ABI/testing/sysfs-devices-mmc 985 Bytes
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  What:		/sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset
  Date:		January 2011
  Contact:	Chuanxiao Dong <chuanxiao.dong@intel.com>
  Description:
  		Enhanced area is a new feature defined in eMMC4.4 standard.
  		eMMC4.4 or later card can support such feature. This kind of
  		area can help to improve the card performance. If the feature
  		is enabled, this attribute will indicate the start address of
  		enhanced data area. If not, this attribute will be -EINVAL.
  		Unit Byte. Format decimal.
  
  What:		/sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size
  Date:		January 2011
  Contact:	Chuanxiao Dong <chuanxiao.dong@intel.com>
  Description:
  		Enhanced area is a new feature defined in eMMC4.4 standard.
  		eMMC4.4 or later card can support such feature. This kind of
  		area can help to improve the card performance. If the feature
  		is enabled, this attribute will indicate the size of enhanced
  		data area. If not, this attribute will be -EINVAL.
  		Unit KByte. Format decimal.