mx25: Clean up clocks API

Use the standard mxc_get_clock() instead of exporting internal functions and
using literal constant values.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>

arch/arm/cpu/arm926ejs/mx25/generic.c

@@ -72,7 +72,7 @@ static ulong imx_get_mpllclk(void)
 	return imx_decode_pll(readl(&ccm->mpctl), fref);
 }
 
-ulong imx_get_armclk(void)
+static ulong imx_get_armclk(void)
 {
 	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
 	ulong cctl = readl(&ccm->cctl);
@@ -88,7 +88,7 @@ ulong imx_get_armclk(void)
 	return fref / div;
 }
 
-ulong imx_get_ahbclk(void)
+static ulong imx_get_ahbclk(void)
 {
 	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
 	ulong cctl = readl(&ccm->cctl);
@@ -106,7 +106,7 @@ static ulong imx_get_ipgclk(void)
 	return imx_get_ahbclk() / 2;
 }
 
-ulong imx_get_perclk(int clk)
+static ulong imx_get_perclk(int clk)
 {
 	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
 	ulong fref = imx_get_ahbclk();

arch/arm/include/asm/arch-mx25/clock.h

@@ -67,12 +67,9 @@ enum mxc_clock {
 	MXC_CLK_NUM
 };
 
-ulong imx_get_perclk(int clk);
-ulong imx_get_ahbclk(void);
-
-#define imx_get_uartclk() imx_get_perclk(15)
-#define imx_get_fecclk() mxc_get_clock(MXC_FEC_CLK)
-
 unsigned int mxc_get_clock(enum mxc_clock clk);
 
+#define imx_get_uartclk()	mxc_get_clock(MXC_UART_CLK)
+#define imx_get_fecclk()	mxc_get_clock(MXC_FEC_CLK)
+
 #endif /* __ASM_ARCH_CLOCK_H */