ARM: keystone2: Cleanup init_pll definition

This is just a cosmetic change that makes
the calling of pll init code looks much cleaner.

Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/mach-keystone/clock.c

@@ -211,12 +211,16 @@ void init_pll(const struct pll_init_data *data)
 	sdelay(210000);
 }
 
-void init_plls(int num_pll, struct pll_init_data *config)
+void init_plls(void)
 {
-	int i;
+	struct pll_init_data *data;
+	int pll;
 
-	for (i = 0; i < num_pll; i++)
-		init_pll(&config[i]);
+	for (pll = MAIN_PLL; pll < MAX_PLL_COUNT; pll++) {
+		data = get_pll_init_data(pll);
+		if (data)
+			init_pll(data);
+	}
 }
 
 static int get_max_speed(u32 val, u32 speed_supported)

arch/arm/mach-keystone/include/mach/clock.h

@@ -76,8 +76,9 @@ extern const struct keystone_pll_regs keystone_pll_regs[];
 extern s16 divn_val[];
 extern int speeds[];
 
-void init_plls(int num_pll, struct pll_init_data *config);
+void init_plls(void);
 void init_pll(const struct pll_init_data *data);
+struct pll_init_data *get_pll_init_data(int pll);
 unsigned long clk_get_rate(unsigned int clk);
 unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
 int clk_set_rate(unsigned int clk, unsigned long hz);

board/ti/ks2_evm/board_k2e.c

@@ -59,6 +59,26 @@ s16 divn_val[16] = {
 static struct pll_init_data pa_pll_config =
 	PASS_PLL_1000;
 
+struct pll_init_data *get_pll_init_data(int pll)
+{
+	int speed;
+	struct pll_init_data *data;
+
+	switch (pll) {
+	case MAIN_PLL:
+		speed = get_max_dev_speed();
+		data = &core_pll_config[speed];
+		break;
+	case PASS_PLL:
+		data = &pa_pll_config;
+		break;
+	default:
+		data = NULL;
+	}
+
+	return data;
+}
+
 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
 struct eth_priv_t eth_priv_cfg[] = {
 	{
@@ -128,24 +148,15 @@ int get_num_eth_ports(void)
 #if defined(CONFIG_BOARD_EARLY_INIT_F)
 int board_early_init_f(void)
 {
-	int speed;
-
-	speed = get_max_dev_speed();
-	init_pll(&core_pll_config[speed]);
-
-	init_pll(&pa_pll_config);
+	init_plls();
 
 	return 0;
 }
 #endif
 
 #ifdef CONFIG_SPL_BUILD
-static struct pll_init_data spl_pll_config[] = {
-	CORE_PLL_800,
-};
-
 void spl_init_keystone_plls(void)
 {
-	init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
+	init_plls();
 }
 #endif

board/ti/ks2_evm/board_k2hk.c

@@ -50,6 +50,30 @@ static struct pll_init_data tetris_pll_config[] = {
 static struct pll_init_data pa_pll_config =
 	PASS_PLL_983;
 
+struct pll_init_data *get_pll_init_data(int pll)
+{
+	int speed;
+	struct pll_init_data *data;
+
+	switch (pll) {
+	case MAIN_PLL:
+		speed = get_max_dev_speed();
+		data = &core_pll_config[speed];
+		break;
+	case TETRIS_PLL:
+		speed = get_max_arm_speed();
+		data = &tetris_pll_config[speed];
+		break;
+	case PASS_PLL:
+		data = &pa_pll_config;
+		break;
+	default:
+		data = NULL;
+	}
+
+	return data;
+}
+
 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
 struct eth_priv_t eth_priv_cfg[] = {
 	{
@@ -91,28 +115,15 @@ int get_num_eth_ports(void)
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 int board_early_init_f(void)
 {
-	int speed;
-
-	speed = get_max_dev_speed();
-	init_pll(&core_pll_config[speed]);
-
-	init_pll(&pa_pll_config);
-
-	speed = get_max_arm_speed();
-	init_pll(&tetris_pll_config[speed]);
+	init_plls();
 
 	return 0;
 }
 #endif
 
 #ifdef CONFIG_SPL_BUILD
-static struct pll_init_data spl_pll_config[] = {
-	CORE_PLL_799,
-	TETRIS_PLL_500,
-};
-
 void spl_init_keystone_plls(void)
 {
-	init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
+	init_plls();
 }
 #endif

board/ti/ks2_evm/board_k2l.c

@@ -46,6 +46,30 @@ static struct pll_init_data tetris_pll_config[] = {
 static struct pll_init_data pa_pll_config =
 	PASS_PLL_983;
 
+struct pll_init_data *get_pll_init_data(int pll)
+{
+	int speed;
+	struct pll_init_data *data;
+
+	switch (pll) {
+	case MAIN_PLL:
+		speed = get_max_dev_speed();
+		data = &core_pll_config[speed];
+		break;
+	case TETRIS_PLL:
+		speed = get_max_arm_speed();
+		data = &tetris_pll_config[speed];
+		break;
+	case PASS_PLL:
+		data = &pa_pll_config;
+		break;
+	default:
+		data = NULL;
+	}
+
+	return data;
+}
+
 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
 struct eth_priv_t eth_priv_cfg[] = {
 	{
@@ -87,28 +111,15 @@ int get_num_eth_ports(void)
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 int board_early_init_f(void)
 {
-	int speed;
-
-	speed = get_max_dev_speed();
-	init_pll(&core_pll_config[speed]);
-
-	init_pll(&pa_pll_config);
-
-	speed = get_max_arm_speed();
-	init_pll(&tetris_pll_config[speed]);
+	init_plls();
 
 	return 0;
 }
 #endif
 
 #ifdef CONFIG_SPL_BUILD
-static struct pll_init_data spl_pll_config[] = {
-	CORE_PLL_799,
-	TETRIS_PLL_491,
-};
-
 void spl_init_keystone_plls(void)
 {
-	init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config);
+	init_plls();
 }
 #endif