| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | What: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset |
| 2 | Date: January 2011 |
| 3 | Contact: Chuanxiao Dong <chuanxiao.dong@intel.com> |
| 4 | Description: |
| 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 | |
| 12 | What: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size |
| 13 | Date: January 2011 |
| 14 | Contact: Chuanxiao Dong <chuanxiao.dong@intel.com> |
| 15 | Description: |
| 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. |