ARM: imx: iomux: Do not export symbol without public declaration

The iomux function declarations are in headers only accessible in this
directory. Thus those can't be used in any module. None of the
objects in this directory is tristate. Neither can the header be included
in out-of-tree modules.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/mach-imx/iomux-imx31.c

@@ -64,7 +64,6 @@ int mxc_iomux_mode(unsigned int pin_mode)
 
 	return ret;
 }
-EXPORT_SYMBOL(mxc_iomux_mode);
 
 /*
  * This function configures the pad value for a IOMUX pin.
@@ -90,7 +89,6 @@ void mxc_iomux_set_pad(enum iomux_pins pin, u32 config)
 
 	spin_unlock(&gpio_mux_lock);
 }
-EXPORT_SYMBOL(mxc_iomux_set_pad);
 
 /*
  * allocs a single pin:
@@ -116,7 +114,6 @@ int mxc_iomux_alloc_pin(unsigned int pin, const char *label)
 
 	return 0;
 }
-EXPORT_SYMBOL(mxc_iomux_alloc_pin);
 
 int mxc_iomux_setup_multiple_pins(const unsigned int *pin_list, unsigned count,
 		const char *label)
@@ -137,7 +134,6 @@ int mxc_iomux_setup_multiple_pins(const unsigned int *pin_list, unsigned count,
 	mxc_iomux_release_multiple_pins(pin_list, i);
 	return ret;
 }
-EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins);
 
 void mxc_iomux_release_pin(unsigned int pin)
 {
@@ -146,7 +142,6 @@ void mxc_iomux_release_pin(unsigned int pin)
 	if (pad < (PIN_MAX + 1))
 		clear_bit(pad, mxc_pin_alloc_map);
 }
-EXPORT_SYMBOL(mxc_iomux_release_pin);
 
 void mxc_iomux_release_multiple_pins(const unsigned int *pin_list, int count)
 {
@@ -158,7 +153,6 @@ void mxc_iomux_release_multiple_pins(const unsigned int *pin_list, int count)
 		p++;
 	}
 }
-EXPORT_SYMBOL(mxc_iomux_release_multiple_pins);
 
 /*
  * This function enables/disables the general purpose function for a particular
@@ -178,4 +172,3 @@ void mxc_iomux_set_gpr(enum iomux_gp_func gp, bool en)
 	__raw_writel(l, IOMUXGPR);
 	spin_unlock(&gpio_mux_lock);
 }
-EXPORT_SYMBOL(mxc_iomux_set_gpr);

arch/arm/mach-imx/iomux-v1.c

@@ -153,7 +153,6 @@ int mxc_gpio_mode(int gpio_mode)
 
 	return 0;
 }
-EXPORT_SYMBOL(mxc_gpio_mode);
 
 static int imx_iomuxv1_setup_multiple(const int *list, unsigned count)
 {
@@ -178,7 +177,6 @@ int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 	ret = imx_iomuxv1_setup_multiple(pin_list, count);
 	return ret;
 }
-EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
 
 int __init imx_iomuxv1_init(void __iomem *base, int numports)
 {

arch/arm/mach-imx/iomux-v3.c

@@ -55,7 +55,6 @@ int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
 
 	return 0;
 }
-EXPORT_SYMBOL(mxc_iomux_v3_setup_pad);
 
 int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
 {
@@ -71,7 +70,6 @@ int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
 	}
 	return 0;
 }
-EXPORT_SYMBOL(mxc_iomux_v3_setup_multiple_pads);
 
 void mxc_iomux_v3_init(void __iomem *iomux_v3_base)
 {