I.MX6 support eMMC 5.0
/***************************************************************************** * I.MX6 support eMMC 5.0 * 说明: * 看一下支持eMMC 5.0的支持情况。 * * 2017-5-16 台湾 中和区 曾剑锋 ****************************************************************************/ 一、参考文档: 1. EMMC 5.0 and EMMC 5.1 work on i.MX6 https://community.nxp.com/docs/DOC-332187 二、报错信息: mmc0: unrecognised EXT_CSD revision 7 mmc0: error -22 whilst initialising MMC card 三、解决方法: 1. cat drivers/mmc/core/mmc.c : ... if (card->ext_csd.rev > 6) { // The '6' has to be replaced with '7' For EMMC5.0 // The '6' has to be replaced with '8' For EMMC5.1 pr_err("%s: unrecognised EXT_CSD revision %d\n", mmc_hostname(card->host), card->ext_csd.rev); err = -EINVAL; goto out; } ...