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ARM: iomux-imx31: allow pin_list to be const

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This fixes the following warning in a mx3_defconfig build:

	arch/arm/mach-mx3/mach-bug.c: In function 'bug_board_init':
	arch/arm/mach-mx3/mach-bug.c:47: warning: passing argument 1 of 'mxc_iomux_setup_multiple_pins' discards qualifiers from pointer target type

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 10:59:48 +01:00 committed by Sascha Hauer
parent 2093023889
commit 10a3c45c68
2 changed files with 10 additions and 10 deletions
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12
arch/arm/mach-mx3/iomux-imx31.c
View File

@ -97,7 +97,7 @@ EXPORT_SYMBOL(mxc_iomux_set_pad);
* - reserves the pin so that it is not claimed by another driver * - reserves the pin so that it is not claimed by another driver
* - setups the iomux according to the configuration * - setups the iomux according to the configuration
*/ */
int mxc_iomux_alloc_pin(const unsigned int pin, const char *label) int mxc_iomux_alloc_pin(unsigned int pin, const char *label)
{ {
unsigned pad = pin & IOMUX_PADNUM_MASK; unsigned pad = pin & IOMUX_PADNUM_MASK;
@ -118,10 +118,10 @@ int mxc_iomux_alloc_pin(const unsigned int pin, const char *label)
} }
EXPORT_SYMBOL(mxc_iomux_alloc_pin); 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) const char *label)
{ {
unsigned int *p = pin_list; const unsigned int *p = pin_list;
int i; int i;
int ret = -EINVAL; int ret = -EINVAL;
@ -139,7 +139,7 @@ int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
} }
EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins); EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins);
void mxc_iomux_release_pin(const unsigned int pin) void mxc_iomux_release_pin(unsigned int pin)
{ {
unsigned pad = pin & IOMUX_PADNUM_MASK; unsigned pad = pin & IOMUX_PADNUM_MASK;
@ -148,9 +148,9 @@ void mxc_iomux_release_pin(const unsigned int pin)
} }
EXPORT_SYMBOL(mxc_iomux_release_pin); 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; int i;
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {

8
arch/arm/plat-mxc/include/mach/iomux-mx3.h
View File

@ -112,12 +112,12 @@ enum iomux_gp_func {
* - setups the iomux according to the configuration * - setups the iomux according to the configuration
* - if the pin is configured as a GPIO, we claim it through kernel gpiolib * - if the pin is configured as a GPIO, we claim it through kernel gpiolib
*/ */
int mxc_iomux_alloc_pin(const unsigned int pin, const char *label); int mxc_iomux_alloc_pin(unsigned int pin, const char *label);
/* /*
* setups mutliple pins * setups mutliple pins
* convenient way to call the above function with tables * 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); const char *label);
/* /*
@ -126,12 +126,12 @@ int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count,
* - frees the GPIO if the pin was configured as GPIO * - frees the GPIO if the pin was configured as GPIO
* - DOES NOT reconfigure the IOMUX in its reset state * - DOES NOT reconfigure the IOMUX in its reset state
*/ */
void mxc_iomux_release_pin(const unsigned int pin); void mxc_iomux_release_pin(unsigned int pin);
/* /*
* releases multiple pins * releases multiple pins
* convenvient way to call the above function with tables * 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);
/* /*
* This function enables/disables the general purpose function for a particular * This function enables/disables the general purpose function for a particular