Introduce cap-no-sd and cap-no-mmc properties to skip
sending sd and mmc commands during initialization
respectively.
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---
drivers/mmc/core/host.c | 4 ++++
include/linux/mmc/host.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 933eeea..c760097 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -298,6 +298,10 @@ int mmc_of_parse(struct mmc_host *host)
host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE;
if (of_property_read_bool(np, "cap-no-sdio"))
host->caps2 |= MMC_CAP2_NO_SDIO;
+ if (of_property_read_bool(np, "cap-no-sd"))
+ host->caps2 |= MMC_CAP2_NO_SD;
+ if (of_property_read_bool(np, "cap-no-mmc"))
+ host->caps2 |= MMC_CAP2_NO_MMC;
if (of_property_read_bool(np, "keep-power-in-suspend"))
host->pm_caps |= MMC_PM_KEEP_POWER;
if (of_property_read_bool(np, "wakeup-source") ||
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index d72c0c3..1bd77c7 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -309,6 +309,8 @@ struct mmc_host {
#define MMC_CAP2_NO_WRITE_PROTECT (1 << 18) /* No physical write protect pin, assume that card is always read-write */
#define MMC_CAP2_NO_SDIO (1 << 19) /* Do not send SDIO commands during initialization */
#define MMC_CAP2_HS400_ES (1 << 20) /* Host supports enhanced strobe */
+#define MMC_CAP2_NO_SD (1 << 21) /* Do not send SD commands during initialization */
+#define MMC_CAP2_NO_MMC (1 << 22) /* Do not send MMC commands during initialization */
mmc_pm_flag_t pm_caps; /* supported pm features */
--
2.3.7
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