From 93768644799a71e391c3676abe6508107df9f997 Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@linaro.org>
Date: Wed, 21 Nov 2018 09:19:49 +0800
Subject: [PATCH] mmc: poll eMMC status after EXT_CSD command
EXT_CSD command needs to access data from eMMC device. Add the
operation of polling eMMC device status. Make sure the command is
finished.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
drivers/mmc/mmc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 418ab1127..02bf770e5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -246,6 +246,13 @@ static int mmc_fill_device_info(void)
return ret;
}
+ do {
+ ret = mmc_device_state();
+ if (ret < 0) {
+ return ret;
+ }
+ } while (ret != MMC_STATE_TRAN);
+
nb_blocks = (mmc_ext_csd[CMD_EXTCSD_SEC_CNT] << 0) |
(mmc_ext_csd[CMD_EXTCSD_SEC_CNT + 1] << 8) |
(mmc_ext_csd[CMD_EXTCSD_SEC_CNT + 2] << 16) |
--
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