imx: imx8_cpu: use static for local functions

For local functions, use static for function.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c
index dc060513b38aa4915f22efc833dcb0a31f2aff34..e7f45e60dbdbd402eb04e2ecd4517a7434606384 100644 (file)
--- a/drivers/cpu/imx8_cpu.c
+++ b/drivers/cpu/imx8_cpu.c
@@ -27,7 +27,7 @@ struct cpu_imx_plat {
        u32 mpidr;
 };
 
-const char *get_imx8_type(u32 imxtype)
+static const char *get_imx8_type(u32 imxtype)
 {
        switch (imxtype) {
        case MXC_CPU_IMX8QXP:
@@ -40,7 +40,7 @@ const char *get_imx8_type(u32 imxtype)
        }
 }
 
-const char *get_imx8_rev(u32 rev)
+static const char *get_imx8_rev(u32 rev)
 {
        switch (rev) {
        case CHIP_REV_A:
@@ -101,7 +101,7 @@ static int cpu_imx_get_temp(struct cpu_imx_plat *plat)
 }
 #endif
 
-int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size)
+static int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size)
 {
        struct cpu_imx_plat *plat = dev_get_plat(dev);
        int ret, temp;