rockchip: rk3288: Move rockchip_get_cru() out of the driver

This function is called from outside the driver. It should be placed into
common SoC code. Move it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/include/asm/arch-rockchip/cru_rk3288.h

@@ -25,6 +25,13 @@
 #define PERI_HCLK_HZ	148500000
 #define PERI_PCLK_HZ	74250000
 
+/* Private data for the clock driver - used by rockchip_get_cru() */
+struct rk3288_clk_priv {
+	struct rk3288_grf *grf;
+	struct rk3288_cru *cru;
+	ulong rate;
+};
+
 struct rk3288_cru {
 	struct rk3288_pll {
 		u32 con0;

arch/arm/mach-rockchip/rk3288/clk_rk3288.c

@@ -9,9 +9,25 @@
 #include <dm.h>
 #include <syscon.h>
 #include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3288.h>
 
 int rockchip_get_clk(struct udevice **devp)
 {
 	return uclass_get_device_by_driver(UCLASS_CLK,
 			DM_GET_DRIVER(rockchip_rk3288_cru), devp);
 }
+
+void *rockchip_get_cru(void)
+{
+	struct rk3288_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_clk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}

drivers/clk/rockchip/clk_rk3288.c

@@ -30,12 +30,6 @@ struct rk3288_clk_plat {
 #endif
 };
 
-struct rk3288_clk_priv {
-	struct rk3288_grf *grf;
-	struct rk3288_cru *cru;
-	ulong rate;
-};
-
 struct pll_div {
 	u32 nr;
 	u32 nf;
@@ -140,21 +134,6 @@ static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 1);
 static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2);
 static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2);
 
-void *rockchip_get_cru(void)
-{
-	struct rk3288_clk_priv *priv;
-	struct udevice *dev;
-	int ret;
-
-	ret = rockchip_get_clk(&dev);
-	if (ret)
-		return ERR_PTR(ret);
-
-	priv = dev_get_priv(dev);
-
-	return priv->cru;
-}
-
 static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
 			 const struct pll_div *div)
 {