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Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-mmc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-mmc b/Documentation/ABI/testing/sysfs-devices-mmc new file mode 100644 index 000000000000..5a50ab655843 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-mmc | |||
@@ -0,0 +1,21 @@ | |||
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. | ||