mmc: sdhci: move the callback function into sdhci_ops

callback function should be moved into sdhci_ops struct.
Other controller can use these ops for controlling clock or their own
specific register.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

drivers/mmc/s5p_sdhci.c

@@ -79,6 +79,11 @@ static void s5p_set_clock(struct sdhci_host *host, u32 div)
 	set_mmc_clk(host->index, div);
 }
 
+static const struct sdhci_ops s5p_sdhci_ops = {
+	.set_clock	= &s5p_set_clock,
+	.set_control_reg = &s5p_sdhci_set_control_reg,
+};
+
 static int s5p_sdhci_core_init(struct sdhci_host *host)
 {
 	host->name = S5P_NAME;
@@ -87,9 +92,7 @@ static int s5p_sdhci_core_init(struct sdhci_host *host)
 		SDHCI_QUIRK_32BIT_DMA_ADDR |
 		SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_USE_WIDE8;
 	host->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
-
-	host->set_control_reg = &s5p_sdhci_set_control_reg;
-	host->set_clock = &s5p_set_clock;
+	host->ops = &s5p_sdhci_ops;
 
 	if (host->bus_width == 8)
 		host->host_caps |= MMC_MODE_8BIT;

drivers/mmc/sdhci.c

@@ -359,8 +359,8 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 		div >>= 1;
 	}
 
-	if (host->set_clock)
-		host->set_clock(host->index, div);
+	if (host->ops->set_clock)
+		host->ops->set_clock(host, div);
 
 	clk |= (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
 	clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
@@ -430,8 +430,8 @@ static int sdhci_set_ios(struct mmc *mmc)
 	u32 ctrl;
 	struct sdhci_host *host = mmc->priv;
 
-	if (host->set_control_reg)
-		host->set_control_reg(host);
+	if (host->ops->set_control_reg)
+		host->ops->set_control_reg(host);
 
 	if (mmc->clock != host->clock)
 		sdhci_set_clock(mmc, mmc->clock);

include/sdhci.h

@@ -227,14 +227,16 @@ struct sdhci_host;
 #define SDHCI_DEFAULT_BOUNDARY_ARG	(7)
 struct sdhci_ops {
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
-	u32             (*read_l)(struct sdhci_host *host, int reg);
-	u16             (*read_w)(struct sdhci_host *host, int reg);
-	u8              (*read_b)(struct sdhci_host *host, int reg);
-	void            (*write_l)(struct sdhci_host *host, u32 val, int reg);
-	void            (*write_w)(struct sdhci_host *host, u16 val, int reg);
-	void            (*write_b)(struct sdhci_host *host, u8 val, int reg);
+	u32	(*read_l)(struct sdhci_host *host, int reg);
+	u16	(*read_w)(struct sdhci_host *host, int reg);
+	u8	(*read_b)(struct sdhci_host *host, int reg);
+	void	(*write_l)(struct sdhci_host *host, u32 val, int reg);
+	void	(*write_w)(struct sdhci_host *host, u16 val, int reg);
+	void	(*write_b)(struct sdhci_host *host, u8 val, int reg);
 #endif
-	int		(*get_cd)(struct sdhci_host *host);
+	int	(*get_cd)(struct sdhci_host *host);
+	void	(*set_control_reg)(struct sdhci_host *host);
+	void	(*set_clock)(struct sdhci_host *host, u32 div);
 };
 
 struct sdhci_host {
@@ -253,8 +255,6 @@ struct sdhci_host {
 	struct gpio_desc pwr_gpio;	/* Power GPIO */
 	struct gpio_desc cd_gpio;		/* Card Detect GPIO */
 
-	void (*set_control_reg)(struct sdhci_host *host);
-	void (*set_clock)(int dev_index, unsigned int div);
 	uint	voltages;
 
 	struct mmc_config cfg;