[PATCH v3 04/11] mmc: Merge SD_LEGACY and MMC_LEGACY bus modes

[Faiz Abbas]

MMC_LEGACY & SD_LEGACY are not differentiated timings in the spec and
don't have any meaningful differences. Therefore, get rid of all
references to SD_LEGACY and use MMC_LEGACY to mean both of them.

Signed-off-by: Faiz Abbas <faiz_abbas at ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 drivers/mmc/fsl_esdhc_imx.c |  1 -
 drivers/mmc/mmc.c           | 16 +++++++---------
 drivers/mmc/omap_hsmmc.c    |  1 -
 drivers/mmc/zynq_sdhci.c    |  1 -
 include/mmc.h               |  1 -
 5 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 4900498e9b..6bca2a9c82 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -743,7 +743,6 @@ static int esdhc_set_timing(struct mmc *mmc)
 
 	switch (mmc->selected_mode) {
 	case MMC_LEGACY:
-	case SD_LEGACY:
 		esdhc_reset_tuning(mmc);
 		writel(mixctrl, &regs->mixctrl);
 		break;
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index a347308976..3e36566693 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -132,7 +132,6 @@ const char *mmc_mode_name(enum bus_mode mode)
 {
 	static const char *const names[] = {
 	      [MMC_LEGACY]	= "MMC legacy",
-	      [SD_LEGACY]	= "SD Legacy",
 	      [MMC_HS]		= "MMC High Speed (26MHz)",
 	      [SD_HS]		= "SD High Speed (50MHz)",
 	      [UHS_SDR12]	= "UHS SDR12 (25MHz)",
@@ -158,7 +157,6 @@ static uint mmc_mode2freq(struct mmc *mmc, enum bus_mode mode)
 {
 	static const int freqs[] = {
 	      [MMC_LEGACY]	= 25000000,
-	      [SD_LEGACY]	= 25000000,
 	      [MMC_HS]		= 26000000,
 	      [SD_HS]		= 50000000,
 	      [MMC_HS_52]	= 52000000,
@@ -1239,7 +1237,7 @@ static int sd_get_capabilities(struct mmc *mmc)
 	u32 sd3_bus_mode;
 #endif
 
-	mmc->card_caps = MMC_MODE_1BIT | MMC_CAP(SD_LEGACY);
+	mmc->card_caps = MMC_MODE_1BIT | MMC_CAP(MMC_LEGACY);
 
 	if (mmc_host_is_spi(mmc))
 		return 0;
@@ -1352,7 +1350,7 @@ static int sd_set_card_speed(struct mmc *mmc, enum bus_mode mode)
 		return 0;
 
 	switch (mode) {
-	case SD_LEGACY:
+	case MMC_LEGACY:
 		speed = UHS_SDR12_BUS_SPEED;
 		break;
 	case SD_HS:
@@ -1695,7 +1693,7 @@ static const struct mode_width_tuning sd_modes_by_pref[] = {
 	},
 #endif
 	{
-		.mode = SD_LEGACY,
+		.mode = MMC_LEGACY,
 		.widths = MMC_MODE_4BIT | MMC_MODE_1BIT,
 	}
 };
@@ -1725,7 +1723,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
 
 	if (mmc_host_is_spi(mmc)) {
 		mmc_set_bus_width(mmc, 1);
-		mmc_select_mode(mmc, SD_LEGACY);
+		mmc_select_mode(mmc, MMC_LEGACY);
 		mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
 		return 0;
 	}
@@ -1784,7 +1782,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
 
 error:
 				/* revert to a safer bus speed */
-				mmc_select_mode(mmc, SD_LEGACY);
+				mmc_select_mode(mmc, MMC_LEGACY);
 				mmc_set_clock(mmc, mmc->tran_speed,
 						MMC_CLK_ENABLE);
 			}
@@ -2561,7 +2559,7 @@ static int mmc_startup(struct mmc *mmc)
 
 #if CONFIG_IS_ENABLED(MMC_TINY)
 	mmc_set_clock(mmc, mmc->legacy_speed, false);
-	mmc_select_mode(mmc, IS_SD(mmc) ? SD_LEGACY : MMC_LEGACY);
+	mmc_select_mode(mmc, MMC_LEGACY);
 	mmc_set_bus_width(mmc, 1);
 #else
 	if (IS_SD(mmc)) {
@@ -2843,7 +2841,7 @@ int mmc_start_init(struct mmc *mmc)
 	 * all hosts are capable of 1 bit bus-width and able to use the legacy
 	 * timings.
 	 */
-	mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) |
+	mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(MMC_LEGACY) |
 			 MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT;
 #if CONFIG_IS_ENABLED(DM_MMC)
 	mmc_deferred_probe(mmc);
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 5334723a9f..4d0dc33936 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -392,7 +392,6 @@ static void omap_hsmmc_set_timing(struct mmc *mmc)
 		break;
 	case MMC_LEGACY:
 	case MMC_HS:
-	case SD_LEGACY:
 	case UHS_SDR12:
 		val |= AC12_UHSMC_SDR12;
 		break;
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 24fabeee95..da3ff53da1 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -37,7 +37,6 @@ struct arasan_sdhci_priv {
 
 static const u8 mode2timing[] = {
 	[MMC_LEGACY] = UHS_SDR12_BUS_SPEED,
-	[SD_LEGACY] = UHS_SDR12_BUS_SPEED,
 	[MMC_HS] = HIGH_SPEED_BUS_SPEED,
 	[SD_HS] = HIGH_SPEED_BUS_SPEED,
 	[MMC_HS_52] = HIGH_SPEED_BUS_SPEED,
diff --git a/include/mmc.h b/include/mmc.h
index f001776285..da2d6ea9e0 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -543,7 +543,6 @@ struct sd_ssr {
 
 enum bus_mode {
 	MMC_LEGACY,
-	SD_LEGACY,
 	MMC_HS,
 	SD_HS,
 	MMC_HS_52,
-- 
2.19.2