1709de99dSChuanxiao DongWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset 2709de99dSChuanxiao DongDate: January 2011 3709de99dSChuanxiao DongContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 4709de99dSChuanxiao DongDescription: 5709de99dSChuanxiao Dong Enhanced area is a new feature defined in eMMC4.4 standard. 6709de99dSChuanxiao Dong eMMC4.4 or later card can support such feature. This kind of 7709de99dSChuanxiao Dong area can help to improve the card performance. If the feature 8709de99dSChuanxiao Dong is enabled, this attribute will indicate the start address of 9709de99dSChuanxiao Dong enhanced data area. If not, this attribute will be -EINVAL. 10709de99dSChuanxiao Dong Unit Byte. Format decimal. 11709de99dSChuanxiao Dong 12709de99dSChuanxiao DongWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size 13709de99dSChuanxiao DongDate: January 2011 14709de99dSChuanxiao DongContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 15709de99dSChuanxiao DongDescription: 16709de99dSChuanxiao Dong Enhanced area is a new feature defined in eMMC4.4 standard. 17709de99dSChuanxiao Dong eMMC4.4 or later card can support such feature. This kind of 18709de99dSChuanxiao Dong area can help to improve the card performance. If the feature 19709de99dSChuanxiao Dong is enabled, this attribute will indicate the size of enhanced 20709de99dSChuanxiao Dong data area. If not, this attribute will be -EINVAL. 21709de99dSChuanxiao Dong Unit KByte. Format decimal. 22