linux-kernel - Fix sdio reinit card fail issue

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Message-ID: <1586835611-13857-1-git-send-email-yong.mao@mediatek.com>
Date:   Tue, 14 Apr 2020 11:40:08 +0800
From:   Yong Mao <yong.mao@...iatek.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>
CC:     Chaotian Jing <chaotian.jing@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-mmc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>
Subject: Fix sdio reinit card fail issue 

Some UHS sdio devices can't enter to stable state after changing
the voltage from 1.8v to 3.3v in re-initialize flow. Need do some
error handle to recovery SDIO device.