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