1*709de99dSChuanxiao DongWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset 2*709de99dSChuanxiao DongDate: January 2011 3*709de99dSChuanxiao DongContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 4*709de99dSChuanxiao DongDescription: 5*709de99dSChuanxiao Dong Enhanced area is a new feature defined in eMMC4.4 standard. 6*709de99dSChuanxiao Dong eMMC4.4 or later card can support such feature. This kind of 7*709de99dSChuanxiao Dong area can help to improve the card performance. If the feature 8*709de99dSChuanxiao Dong is enabled, this attribute will indicate the start address of 9*709de99dSChuanxiao Dong enhanced data area. If not, this attribute will be -EINVAL. 10*709de99dSChuanxiao Dong Unit Byte. Format decimal. 11*709de99dSChuanxiao Dong 12*709de99dSChuanxiao DongWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size 13*709de99dSChuanxiao DongDate: January 2011 14*709de99dSChuanxiao DongContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 15*709de99dSChuanxiao DongDescription: 16*709de99dSChuanxiao Dong Enhanced area is a new feature defined in eMMC4.4 standard. 17*709de99dSChuanxiao Dong eMMC4.4 or later card can support such feature. This kind of 18*709de99dSChuanxiao Dong area can help to improve the card performance. If the feature 19*709de99dSChuanxiao Dong is enabled, this attribute will indicate the size of enhanced 20*709de99dSChuanxiao Dong data area. If not, this attribute will be -EINVAL. 21*709de99dSChuanxiao Dong Unit KByte. Format decimal. 22