Poll for broken card detection case instead of return
no card detected.
Signed-off-by: Jun Nie <jun....@linaro.org>
---
drivers/mmc/Kconfig | 5 +++++
drivers/mmc/mmc.c | 4 ++++
2 files changed, 9 insertions(+)
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 8fbeaa7..ed194a3 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -10,6 +10,11 @@ config MMC
If you want MMC/SD/SDIO support, you should say Y here and
also to your specific host controller driver.
+config MMC_BROKEN_CD
+ bool "Poll for broken card detection case"
+ help
+ If card detection feature is broken, just poll to detect.
+
config DM_MMC
bool "Enable MMC controllers using Driver Model"
depends on DM
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 38d2e07..13c5bf5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1650,8 +1650,12 @@ int mmc_start_init(struct mmc *mmc)
bool no_card;
int err;
+#if !defined(CONFIG_MMC_BROKEN_CD)
/* we pretend there's no card when init is NULL */
no_card = mmc_getcd(mmc) == 0;
+#else
+ no_card = 0;
+#endif
#if !CONFIG_IS_ENABLED(DM_MMC)
no_card = no_card || (mmc->cfg->ops->init == NULL);
#endif
--
1.9.1
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