From 42182c9b9ca946b68f564936ffc181b75ce3da9f Mon Sep 17 00:00:00 2001
From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Tue, 30 Jan 2018 16:01:44 +0100
Subject: [PATCH] mmc: omap_hsmmc: implement send_init_stream callback
This callback is used to send the 74 clock cycles after power up.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---
drivers/mmc/omap_hsmmc.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index b10d55ef615..71608d18e20 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -46,6 +46,7 @@
#include <asm/arch/mux.h>
#endif
#include <dm.h>
+#include <power/regulator.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -564,6 +565,14 @@ tuning_error:
return ret;
}
#endif
+
+static void omap_hsmmc_send_init_stream(struct udevice *dev)
+{
+ struct omap_hsmmc_data *priv = dev_get_priv(dev);
+ struct hsmmc *mmc_base = priv->base_addr;
+
+ mmc_init_stream(mmc_base);
+}
#endif
static void mmc_enable_irq(struct mmc *mmc, struct mmc_cmd *cmd)
@@ -652,7 +661,10 @@ static int omap_hsmmc_init_setup(struct mmc *mmc)
writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl);
mmc_enable_irq(mmc, NULL);
+
+#if !CONFIG_IS_ENABLED(DM_MMC)
mmc_init_stream(mmc_base);
+#endif
return 0;
}
@@ -1279,6 +1291,7 @@ static const struct dm_mmc_ops omap_hsmmc_ops = {
#ifdef MMC_SUPPORTS_TUNING
.execute_tuning = omap_hsmmc_execute_tuning,
#endif
+ .send_init_stream = omap_hsmmc_send_init_stream,
};
#else
static const struct mmc_ops omap_hsmmc_ops = {
--
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