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lib: utils/gpio: Constify FDT pointers in parsing functions

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Indicate that none of these functions modify the devicetree by
constifying the parameter type.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-07-30 21:58:45 -07:00
committed by Anup Patel
parent 33ba4e0567
commit c585354380
5 changed files with 8 additions and 8 deletions
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6
lib/utils/gpio/fdt_gpio.c
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@@ -31,7 +31,7 @@ static struct fdt_gpio *fdt_gpio_driver(struct gpio_chip *chip)
return NULL;
}
static int fdt_gpio_init(void *fdt, u32 phandle)
static int fdt_gpio_init(const void *fdt, u32 phandle)
{
int pos, nodeoff, rc;
struct fdt_gpio *drv;
@@ -64,7 +64,7 @@ static int fdt_gpio_init(void *fdt, u32 phandle)
return SBI_ENOSYS;
}
static int fdt_gpio_chip_find(void *fdt, u32 phandle,
static int fdt_gpio_chip_find(const void *fdt, u32 phandle,
struct gpio_chip **out_chip)
{
int rc;
@@ -88,7 +88,7 @@ static int fdt_gpio_chip_find(void *fdt, u32 phandle,
return 0;
}
int fdt_gpio_pin_get(void *fdt, int nodeoff, int index,
int fdt_gpio_pin_get(const void *fdt, int nodeoff, int index,
struct gpio_pin *out_pin)
{
int rc;