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ARM: mxc91231/iomux: allow pin_list to be const 

While at it remove some useless consts from unsigned int arguments.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2011-03-02 10:59:49 +01:00 committed by Sascha Hauer
parent 10a3c45c68
commit 8d8eb17765
2 changed files with 11 additions and 11 deletions
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14
arch/arm/mach-mxc91231/iomux.c
View File

@ -50,7 +50,7 @@ unsigned long mxc_pin_alloc_map[NB_PORTS * 32 / BITS_PER_LONG];
/*
* set the mode for a IOMUX pin.
*/
int mxc_iomux_mode(const unsigned int pin_mode)
int mxc_iomux_mode(unsigned int pin_mode)
{
u32 side, field, l, mode, ret = 0;
void __iomem *reg;
@ -114,7 +114,7 @@ EXPORT_SYMBOL(mxc_iomux_set_pad);
* - reserves the pin so that it is not claimed by another driver
* - setups the iomux according to the configuration
*/
int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label)
int mxc_iomux_alloc_pin(unsigned int pin_mode, const char *label)
{
unsigned pad = PIN_GLOBAL_NUM(pin_mode);
if (pad >= (PIN_MAX + 1)) {
@ -134,10 +134,10 @@ int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label)
}
EXPORT_SYMBOL(mxc_iomux_alloc_pin);
int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
int mxc_iomux_setup_multiple_pins(const unsigned int *pin_list, unsigned count,
const char *label)
{
unsigned int *p = pin_list;
const unsigned int *p = pin_list;
int i;
int ret = -EINVAL;
@ -155,7 +155,7 @@ setup_error:
}
EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins);
void mxc_iomux_release_pin(const unsigned int pin_mode)
void mxc_iomux_release_pin(unsigned int pin_mode)
{
unsigned pad = PIN_GLOBAL_NUM(pin_mode);
@ -164,9 +164,9 @@ void mxc_iomux_release_pin(const unsigned int pin_mode)
}
EXPORT_SYMBOL(mxc_iomux_release_pin);
void mxc_iomux_release_multiple_pins(unsigned int *pin_list, int count)
void mxc_iomux_release_multiple_pins(const unsigned int *pin_list, int count)
{
unsigned int *p = pin_list;
const unsigned int *p = pin_list;
int i;
for (i = 0; i < count; i++) {

8
arch/arm/plat-mxc/include/mach/iomux-mxc91231.h
View File

@ -46,12 +46,12 @@
* - setups the iomux according to the configuration
* - if the pin is configured as a GPIO, we claim it through kernel gpiolib
*/
int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label);
int mxc_iomux_alloc_pin(unsigned int pin_mode, const char *label);
/*
* setups mutliple pins
* convenient way to call the above function with tables
*/
int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
int mxc_iomux_setup_multiple_pins(const unsigned int *pin_list, unsigned count,
const char *label);
/*
@ -60,12 +60,12 @@ int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
* - frees the GPIO if the pin was configured as GPIO
* - DOES NOT reconfigure the IOMUX in its reset state
*/
void mxc_iomux_release_pin(const unsigned int pin_mode);
void mxc_iomux_release_pin(unsigned int pin_mode);
/*
* releases multiple pins
* convenvient way to call the above function with tables
*/
void mxc_iomux_release_multiple_pins(unsigned int *pin_list, int count);
void mxc_iomux_release_multiple_pins(const unsigned int *pin_list, int count);
#define MUX_SIDE_AP (0)
#define MUX_SIDE_SP (1)