EMMC: adaption for ascend customized emmc card
ascend inclusion category: feature feature: Ascend emmc adaption bugzilla: https://gitee.com/openeuler/kernel/issues/I4F4LL CVE: NA ------------------- Modified mmc ops for Ascend HiSilicon emmc card because of the difference bwteen our emmc card and others. we used customized property in dts to judge if it is our chips. In this patch, we modified emmc card init process, rate setting and ext_csd register decode/encode. Signed-off-by: Nzhangguijiang <zhangguijiang@huawei.com> Reviewed-by: NDing Tianhong <dingtianhong@huawei.com> Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
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