sysfs-devices-mmc

 1What:		/sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset
 2Date:		January 2011
 3Contact:	Chuanxiao Dong <chuanxiao.dong@intel.com>
 4Description:
 5		Enhanced area is a new feature defined in eMMC4.4 standard.
 6		eMMC4.4 or later card can support such feature. This kind of
 7		area can help to improve the card performance. If the feature
 8		is enabled, this attribute will indicate the start address of
 9		enhanced data area. If not, this attribute will be -EINVAL.
10		Unit Byte. Format decimal.
11
12What:		/sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size
13Date:		January 2011
14Contact:	Chuanxiao Dong <chuanxiao.dong@intel.com>
15Description:
16		Enhanced area is a new feature defined in eMMC4.4 standard.
17		eMMC4.4 or later card can support such feature. This kind of
18		area can help to improve the card performance. If the feature
19		is enabled, this attribute will indicate the size of enhanced
20		data area. If not, this attribute will be -EINVAL.
21		Unit KByte. Format decimal.