diff options
Diffstat (limited to 'Documentation')
| -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 @@ +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. |