0004-Test-mmc-before-setting-up-env-device.patch

From 6fd537b4f239f55fbe3fed6aea8c3bf0d48bdab0 Mon Sep 17 00:00:00 2001
From: frank_chiang <frank_chiang@asus.com>
Date: Thu, 14 Mar 2024 16:49:48 +0800
Subject: [PATCH 1/1] Test mmc before setting up env device

---
 drivers/mmc/mmc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 1e83007286..ed414cda85 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -3105,7 +3105,12 @@ int mmc_set_bkops_enable(struct mmc *mmc)
 __weak int mmc_get_env_dev(void)
 {
 #ifdef CONFIG_SYS_MMC_ENV_DEV
-	return CONFIG_SYS_MMC_ENV_DEV;
+	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+	int err = mmc_get_op_cond(mmc);
+	if (!err)
+		return CONFIG_SYS_MMC_ENV_DEV;
+	else
+		return 1;
 #else
 	return 0;
 #endif
-- 
2.25.1