Poll for broken card detection case instead of return no card detected.
Signed-off-by: Jun Nie jun.nie@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