[U-Boot] [v3, 4/4] mmc: fsl_esdhc: drop i.MX DDR mode code

[Yangbo Lu]

A previous patch below adding DDR mode support was actually for i.MX
platforms. Now i.MX eSDHC driver is fsl_esdhc_imx.c. For QorIQ eSDHC,
it uses different process for DDR mode. Let's drop DDR support code
for i.MX in fsl_esdhc driver.

0e1bf61 mmc: fsl_esdhc: Add support for DDR mode

Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
---
Changes for v3:
	- Added this patch.
---
 drivers/mmc/fsl_esdhc.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 03a7e89..322046b 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -504,17 +504,16 @@ static void esdhc_set_clock(struct fsl_esdhc_priv *priv, struct mmc *mmc,
 	struct fsl_esdhc *regs = priv->esdhc_regs;
 	int div = 1;
 	int pre_div = 2;
-	int ddr_pre_div = mmc->ddr_mode ? 2 : 1;
 	int sdhc_clk = priv->sdhc_clk;
 	uint clk;
 
 	if (clock < mmc->cfg->f_min)
 		clock = mmc->cfg->f_min;
 
-	while (sdhc_clk / (16 * pre_div * ddr_pre_div) > clock && pre_div < 256)
+	while (sdhc_clk / (16 * pre_div) > clock && pre_div < 256)
 		pre_div *= 2;
 
-	while (sdhc_clk / (div * pre_div * ddr_pre_div) > clock && div < 16)
+	while (sdhc_clk / (div * pre_div) > clock && div < 16)
 		div++;
 
 	pre_div >>= 1;
@@ -699,10 +698,6 @@ static int fsl_esdhc_get_cfg(struct fsl_esdhc_priv *priv,
 	else if (priv->bus_width == 4)
 		cfg->host_caps = MMC_MODE_4BIT;
 
-#ifdef CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
-	cfg->host_caps |= MMC_MODE_DDR_52MHz;
-#endif
-
 	if (caps & HOSTCAPBLT2_HSS)
 		cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
 
-- 
2.7.4