mmc: sdhci: convert sdhci_set_uhs_signaling() into a library function

Add sdhci_set_uhs_signaling() and always call the set_uhs_signaling
method.  This avoids quirks being added into sdhci_set_uhs_signaling().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Markus Pargmann <mpa@pengutronix.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
[Ulf Hansson] Resolved conflict
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>

drivers/mmc/host/sdhci-acpi.c

@@ -106,6 +106,7 @@ static const struct sdhci_ops sdhci_acpi_ops_dflt = {
 	.enable_dma = sdhci_acpi_enable_dma,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_ops sdhci_acpi_ops_int = {
@@ -113,6 +114,7 @@ static const struct sdhci_ops sdhci_acpi_ops_int = {
 	.enable_dma = sdhci_acpi_enable_dma,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 	.hw_reset   = sdhci_acpi_int_hw_reset,
 };
 

drivers/mmc/host/sdhci-bcm-kona.c

@@ -212,6 +212,7 @@ static struct sdhci_ops sdhci_bcm_kona_ops = {
 	.platform_send_init_74_clocks = sdhci_bcm_kona_init_74_clocks,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 	.card_event = sdhci_bcm_kona_card_event,
 };
 

drivers/mmc/host/sdhci-bcm2835.c

@@ -136,6 +136,7 @@ static const struct sdhci_ops bcm2835_sdhci_ops = {
 	.get_min_clock = bcm2835_sdhci_get_min_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data bcm2835_sdhci_pdata = {

drivers/mmc/host/sdhci-cns3xxx.c

@@ -81,6 +81,7 @@ static const struct sdhci_ops sdhci_cns3xxx_ops = {
 	.set_clock	= sdhci_cns3xxx_set_clock,
 	.set_bus_width	= sdhci_set_bus_width,
 	.reset          = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = {

drivers/mmc/host/sdhci-dove.c

@@ -89,6 +89,7 @@ static const struct sdhci_ops sdhci_dove_ops = {
 	.set_clock = sdhci_set_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data sdhci_dove_pdata = {

drivers/mmc/host/sdhci-of-arasan.c

@@ -57,6 +57,7 @@ static struct sdhci_ops sdhci_arasan_ops = {
 	.get_timeout_clock = sdhci_arasan_get_timeout_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static struct sdhci_pltfm_data sdhci_arasan_pdata = {

drivers/mmc/host/sdhci-of-esdhc.c

@@ -309,6 +309,7 @@ static const struct sdhci_ops sdhci_esdhc_ops = {
 	.adma_workaround = esdhci_of_adma_workaround,
 	.set_bus_width = esdhc_pltfm_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data sdhci_esdhc_pdata = {

drivers/mmc/host/sdhci-of-hlwd.c

@@ -61,6 +61,7 @@ static const struct sdhci_ops sdhci_hlwd_ops = {
 	.set_clock = sdhci_set_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data sdhci_hlwd_pdata = {

drivers/mmc/host/sdhci-pci.c

@@ -1082,6 +1082,7 @@ static const struct sdhci_ops sdhci_pci_ops = {
 	.enable_dma	= sdhci_pci_enable_dma,
 	.set_bus_width	= sdhci_pci_set_bus_width,
 	.reset		= sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 	.hw_reset		= sdhci_pci_hw_reset,
 };
 

drivers/mmc/host/sdhci-pltfm.c

@@ -48,6 +48,7 @@ static const struct sdhci_ops sdhci_pltfm_ops = {
 	.set_clock = sdhci_set_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 #ifdef CONFIG_OF

drivers/mmc/host/sdhci-pxav2.c

@@ -116,6 +116,7 @@ static const struct sdhci_ops pxav2_sdhci_ops = {
 	.get_max_clock = sdhci_pltfm_clk_get_max_clock,
 	.set_bus_width = pxav2_mmc_set_bus_width,
 	.reset         = pxav2_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 #ifdef CONFIG_OF

drivers/mmc/host/sdhci-pxav3.c

@@ -229,6 +229,7 @@ static const struct sdhci_ops pxav3_sdhci_ops = {
 	.get_max_clock = sdhci_pltfm_clk_get_max_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = pxav3_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static struct sdhci_pltfm_data sdhci_pxav3_pdata = {

drivers/mmc/host/sdhci-s3c.c

@@ -371,6 +371,7 @@ static struct sdhci_ops sdhci_s3c_ops = {
 	.get_min_clock		= sdhci_s3c_get_min_clock,
 	.set_bus_width		= sdhci_s3c_set_bus_width,
 	.reset			= sdhci_reset,
+	.set_uhs_signaling	= sdhci_set_uhs_signaling,
 };
 
 static void sdhci_s3c_notify_change(struct platform_device *dev, int state)

drivers/mmc/host/sdhci-sirf.c

@@ -32,6 +32,7 @@ static struct sdhci_ops sdhci_sirf_ops = {
 	.get_max_clock	= sdhci_sirf_get_max_clk,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static struct sdhci_pltfm_data sdhci_sirf_pdata = {

drivers/mmc/host/sdhci-spear.c

@@ -41,6 +41,7 @@ static const struct sdhci_ops sdhci_pltfm_ops = {
 	.set_clock = sdhci_set_clock,
 	.set_bus_width = sdhci_set_bus_width,
 	.reset = sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 #ifdef CONFIG_OF

drivers/mmc/host/sdhci-tegra.c

@@ -156,6 +156,7 @@ static const struct sdhci_ops tegra_sdhci_ops = {
 	.set_clock  = sdhci_set_clock,
 	.set_bus_width = tegra_sdhci_set_bus_width,
 	.reset      = tegra_sdhci_reset,
+	.set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
 static const struct sdhci_pltfm_data sdhci_tegra20_pdata = {

drivers/mmc/host/sdhci.c

@@ -1404,6 +1404,29 @@ void sdhci_set_bus_width(struct sdhci_host *host, int width)
 }
 EXPORT_SYMBOL_GPL(sdhci_set_bus_width);
 
+void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
+{
+	u16 ctrl_2;
+
+	ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
+	/* Select Bus Speed Mode for host */
+	ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
+	if ((timing == MMC_TIMING_MMC_HS200) ||
+	    (timing == MMC_TIMING_UHS_SDR104))
+		ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
+	else if (timing == MMC_TIMING_UHS_SDR12)
+		ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
+	else if (timing == MMC_TIMING_UHS_SDR25)
+		ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
+	else if (timing == MMC_TIMING_UHS_SDR50)
+		ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
+	else if ((timing == MMC_TIMING_UHS_DDR50) ||
+		 (timing == MMC_TIMING_MMC_DDR52))
+		ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
+	sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
+}
+EXPORT_SYMBOL_GPL(sdhci_set_uhs_signaling);
+
 static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
 {
 	unsigned long flags;
@@ -1514,26 +1537,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
 		clk &= ~SDHCI_CLOCK_CARD_EN;
 		sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
 
-		if (host->ops->set_uhs_signaling)
 		host->ops->set_uhs_signaling(host, ios->timing);
-		else {
-			ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
-			/* Select Bus Speed Mode for host */
-			ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
-			if ((ios->timing == MMC_TIMING_MMC_HS200) ||
-			    (ios->timing == MMC_TIMING_UHS_SDR104))
-				ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
-			else if (ios->timing == MMC_TIMING_UHS_SDR12)
-				ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
-			else if (ios->timing == MMC_TIMING_UHS_SDR25)
-				ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
-			else if (ios->timing == MMC_TIMING_UHS_SDR50)
-				ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
-			else if ((ios->timing == MMC_TIMING_UHS_DDR50) ||
-				 (ios->timing == MMC_TIMING_MMC_DDR52))
-				ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
-			sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
-		}
 
 		if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) &&
 				((ios->timing == MMC_TIMING_UHS_SDR12) ||

drivers/mmc/host/sdhci.h

@@ -403,6 +403,7 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host)
 void sdhci_set_clock(struct sdhci_host *host, unsigned int clock);
 void sdhci_set_bus_width(struct sdhci_host *host, int width);
 void sdhci_reset(struct sdhci_host *host, u8 mask);
+void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);
 
 #ifdef CONFIG_PM
 extern int sdhci_suspend_host(struct sdhci_host *host);