This patch introduce mmc-sleep-awake for platforms
which want to enable CMD5 awake & partial_init.
Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx>
---
drivers/mmc/core/host.c | 2 ++
include/linux/mmc/host.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 3f8c85d..e798814 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -320,6 +320,8 @@ int mmc_of_parse(struct mmc_host *host)
host->caps2 |= MMC_CAP2_NO_SD;
if (of_property_read_bool(np, "no-mmc"))
host->caps2 |= MMC_CAP2_NO_MMC;
+ if (of_property_read_bool(np, "mmc-sleep-awake"))
+ host->caps2 |= MMC_CAP2_SLEEP_AWAKE;
host->dsr_req = !of_property_read_u32(np, "dsr", &host->dsr);
if (host->dsr_req && (host->dsr & ~0xffff)) {
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 83f1c4a..df7882b 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -303,6 +303,7 @@ struct mmc_host {
#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 (e)MMC commands during initialization */
+#define MMC_CAP2_SLEEP_AWAKE (1 << 23) /* Use Sleep/Awake (CMD5) */
mmc_pm_flag_t pm_caps; /* supported pm features */
--
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a Linux Foundation Collaborative Project.
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