mmc: sdhci: Remove ->select_drive_strength() callback

Drivers can use the host operation directly, so remove this now unused
callback.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>

drivers/mmc/host/sdhci-pci-core.c

@@ -36,10 +36,6 @@
 static int sdhci_pci_enable_dma(struct sdhci_host *host);
 static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width);
 static void sdhci_pci_hw_reset(struct sdhci_host *host);
-static int sdhci_pci_select_drive_strength(struct sdhci_host *host,
-					   struct mmc_card *card,
-					   unsigned int max_dtr, int host_drv,
-					   int card_drv, int *drv_type);
 
 /*****************************************************************************\
  *                                                                           *
@@ -514,7 +510,6 @@ static const struct sdhci_ops sdhci_intel_byt_ops = {
 	.reset			= sdhci_reset,
 	.set_uhs_signaling	= sdhci_set_uhs_signaling,
 	.hw_reset		= sdhci_pci_hw_reset,
-	.select_drive_strength	= sdhci_pci_select_drive_strength,
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
@@ -1658,20 +1653,6 @@ static void sdhci_pci_hw_reset(struct sdhci_host *host)
 		slot->hw_reset(host);
 }
 
-static int sdhci_pci_select_drive_strength(struct sdhci_host *host,
-					   struct mmc_card *card,
-					   unsigned int max_dtr, int host_drv,
-					   int card_drv, int *drv_type)
-{
-	struct sdhci_pci_slot *slot = sdhci_priv(host);
-
-	if (!slot->select_drive_strength)
-		return 0;
-
-	return slot->select_drive_strength(host, card, max_dtr, host_drv,
-					   card_drv, drv_type);
-}
-
 static const struct sdhci_ops sdhci_pci_ops = {
 	.set_clock	= sdhci_set_clock,
 	.enable_dma	= sdhci_pci_enable_dma,
@@ -1679,7 +1660,6 @@ static const struct sdhci_ops sdhci_pci_ops = {
 	.reset		= sdhci_reset,
 	.set_uhs_signaling = sdhci_set_uhs_signaling,
 	.hw_reset		= sdhci_pci_hw_reset,
-	.select_drive_strength	= sdhci_pci_select_drive_strength,
 };
 
 /*****************************************************************************\

drivers/mmc/host/sdhci-pci.h

@@ -86,10 +86,6 @@ struct sdhci_pci_slot {
 	bool			cd_override_level;
 
 	void (*hw_reset)(struct sdhci_host *host);
-	int (*select_drive_strength)(struct sdhci_host *host,
-				     struct mmc_card *card,
-				     unsigned int max_dtr, int host_drv,
-				     int card_drv, int *drv_type);
 	unsigned long		private[0] ____cacheline_aligned;
 };
 

drivers/mmc/host/sdhci.c

@@ -2182,19 +2182,6 @@ out_unlock:
 }
 EXPORT_SYMBOL_GPL(sdhci_execute_tuning);
 
-static int sdhci_select_drive_strength(struct mmc_card *card,
-				       unsigned int max_dtr, int host_drv,
-				       int card_drv, int *drv_type)
-{
-	struct sdhci_host *host = mmc_priv(card->host);
-
-	if (!host->ops->select_drive_strength)
-		return 0;
-
-	return host->ops->select_drive_strength(host, card, max_dtr, host_drv,
-						card_drv, drv_type);
-}
-
 static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable)
 {
 	/* Host Controller v3.00 defines preset value registers */
@@ -2308,7 +2295,6 @@ static const struct mmc_host_ops sdhci_ops = {
 	.start_signal_voltage_switch	= sdhci_start_signal_voltage_switch,
 	.prepare_hs400_tuning		= sdhci_prepare_hs400_tuning,
 	.execute_tuning			= sdhci_execute_tuning,
-	.select_drive_strength		= sdhci_select_drive_strength,
 	.card_event			= sdhci_card_event,
 	.card_busy	= sdhci_card_busy,
 };

drivers/mmc/host/sdhci.h

@@ -562,10 +562,6 @@ struct sdhci_ops {
 	void    (*adma_workaround)(struct sdhci_host *host, u32 intmask);
 	void    (*card_event)(struct sdhci_host *host);
 	void	(*voltage_switch)(struct sdhci_host *host);
-	int	(*select_drive_strength)(struct sdhci_host *host,
-					 struct mmc_card *card,
-					 unsigned int max_dtr, int host_drv,
-					 int card_drv, int *drv_type);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS