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

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>

7 files changed, 9 insertions, 9 deletions

diff --git a/lib/utils/reset/fdt_reset.c b/lib/utils/reset/fdt_reset.c
index ee4e29a..960c08d 100644
--- a/lib/utils/reset/fdt_reset.c
+++ b/lib/utils/reset/fdt_reset.c
@@ -17,7 +17,7 @@
 extern struct fdt_reset *fdt_reset_drivers[];
 extern unsigned long fdt_reset_drivers_size;
 
-int fdt_reset_driver_init(void *fdt, struct fdt_reset *drv)
+int fdt_reset_driver_init(const void *fdt, struct fdt_reset *drv)
 {
 	int noff, rc, cnt = 0;
 	const struct fdt_match *match;
@@ -45,7 +45,7 @@ int fdt_reset_driver_init(void *fdt, struct fdt_reset *drv)
 void fdt_reset_init(void)
 {
 	int pos;
-	void *fdt = fdt_get_address();
+	const void *fdt = fdt_get_address();
 
 	for (pos = 0; pos < fdt_reset_drivers_size; pos++)
 		fdt_reset_driver_init(fdt, fdt_reset_drivers[pos]);
diff --git a/lib/utils/reset/fdt_reset_atcwdt200.c b/lib/utils/reset/fdt_reset_atcwdt200.c
index 03d547b..6ef3b13 100644
--- a/lib/utils/reset/fdt_reset_atcwdt200.c
+++ b/lib/utils/reset/fdt_reset_atcwdt200.c
@@ -80,7 +80,7 @@ static struct sbi_system_reset_device atcwdt200_reset = {
 	.system_reset	    = ae350_system_reset,
 };
 
-static int atcwdt200_reset_init(void *fdt, int nodeoff,
+static int atcwdt200_reset_init(const void *fdt, int nodeoff,
 				const struct fdt_match *match)
 {
 	uint64_t reg_addr;
diff --git a/lib/utils/reset/fdt_reset_gpio.c b/lib/utils/reset/fdt_reset_gpio.c
index 6a908dd..de81e2e 100644
--- a/lib/utils/reset/fdt_reset_gpio.c
+++ b/lib/utils/reset/fdt_reset_gpio.c
@@ -113,7 +113,7 @@ static struct sbi_system_reset_device gpio_restart = {
 	.system_reset = gpio_system_restart
 };
 
-static int gpio_reset_init(void *fdt, int nodeoff,
+static int gpio_reset_init(const void *fdt, int nodeoff,
 			   const struct fdt_match *match)
 {
 	int rc, len;
diff --git a/lib/utils/reset/fdt_reset_htif.c b/lib/utils/reset/fdt_reset_htif.c
index 2cc52dd..7c04c81 100644
--- a/lib/utils/reset/fdt_reset_htif.c
+++ b/lib/utils/reset/fdt_reset_htif.c
@@ -11,7 +11,7 @@
 #include <sbi_utils/fdt/fdt_helper.h>
 #include <sbi_utils/sys/htif.h>
 
-static int htif_reset_init(void *fdt, int nodeoff,
+static int htif_reset_init(const void *fdt, int nodeoff,
 			   const struct fdt_match *match)
 {
 	bool custom = false;
diff --git a/lib/utils/reset/fdt_reset_sg2042_hwmon_mcu.c b/lib/utils/reset/fdt_reset_sg2042_hwmon_mcu.c
index 51bd74a..368cd10 100644
--- a/lib/utils/reset/fdt_reset_sg2042_hwmon_mcu.c
+++ b/lib/utils/reset/fdt_reset_sg2042_hwmon_mcu.c
@@ -76,7 +76,7 @@ static int sg2042_mcu_reset_check_board(struct i2c_adapter *adap, uint32_t reg)
 	return 0;
 }
 
-static int sg2042_mcu_reset_init(void *fdt, int nodeoff,
+static int sg2042_mcu_reset_init(const void *fdt, int nodeoff,
 				 const struct fdt_match *match)
 {
 	int ret, i2c_bus;
diff --git a/lib/utils/reset/fdt_reset_sunxi_wdt.c b/lib/utils/reset/fdt_reset_sunxi_wdt.c
index 446d32b..f4b06d2 100644
--- a/lib/utils/reset/fdt_reset_sunxi_wdt.c
+++ b/lib/utils/reset/fdt_reset_sunxi_wdt.c
@@ -49,7 +49,7 @@ static struct sbi_system_reset_device sunxi_wdt_reset = {
 	.system_reset = sunxi_wdt_system_reset,
 };
 
-static int sunxi_wdt_reset_init(void *fdt, int nodeoff,
+static int sunxi_wdt_reset_init(const void *fdt, int nodeoff,
 				const struct fdt_match *match)
 {
 	uint64_t reg_addr;
diff --git a/lib/utils/reset/fdt_reset_syscon.c b/lib/utils/reset/fdt_reset_syscon.c
index bae9ec5..0dd76ac 100644
--- a/lib/utils/reset/fdt_reset_syscon.c
+++ b/lib/utils/reset/fdt_reset_syscon.c
@@ -96,8 +96,8 @@ static struct sbi_system_reset_device syscon_reboot = {
 	.system_reset = syscon_do_reboot
 };
 
-static int syscon_reset_init(void *fdt, int nodeoff,
-			   const struct fdt_match *match)
+static int syscon_reset_init(const void *fdt, int nodeoff,
+			     const struct fdt_match *match)
 {
 	int rc, len;
 	const fdt32_t *val, *mask;