env: Move get/set_default_env() to env.h

Move these functions to the new header file and rename set_default_env()
to env_set_default() so that it has a consistent env_ prefix.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/env/common.c b/env/common.c
index db2a033..1d9d0f9 100644
--- a/env/common.c
+++ b/env/common.c
@@ -62,7 +62,7 @@
 	return ret_val;
 }
 
-void set_default_env(const char *s, int flags)
+void env_set_default(const char *s, int flags)
 {
 	if (sizeof(default_environment) > ENV_SIZE) {
 		puts("*** Error - default environment is too large\n\n");
@@ -118,7 +118,7 @@
 		memcpy(&crc, &ep->crc, sizeof(crc));
 
 		if (crc32(0, ep->data, ENV_SIZE) != crc) {
-			set_default_env("bad CRC", 0);
+			env_set_default("bad CRC", 0);
 			return -ENOMSG; /* needed for env_load() */
 		}
 	}
@@ -131,7 +131,7 @@
 
 	pr_err("Cannot import environment: errno = %d\n", errno);
 
-	set_default_env("import failed", 0);
+	env_set_default("import failed", 0);
 
 	return -EIO;
 }
@@ -156,7 +156,7 @@
 	}
 
 	if (buf1_read_fail && buf2_read_fail) {
-		set_default_env("bad env area", 0);
+		env_set_default("bad env area", 0);
 		return -EIO;
 	} else if (!buf1_read_fail && buf2_read_fail) {
 		gd->env_valid = ENV_VALID;
@@ -172,7 +172,7 @@
 			tmp_env2->crc;
 
 	if (!crc1_ok && !crc2_ok) {
-		set_default_env("bad CRC", 0);
+		env_set_default("bad CRC", 0);
 		return -ENOMSG; /* needed for env_load() */
 	} else if (crc1_ok && !crc2_ok) {
 		gd->env_valid = ENV_VALID;
@@ -236,10 +236,10 @@
 	if (gd->env_valid == ENV_INVALID) {
 #if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
 		/* Environment not changable */
-		set_default_env(NULL, 0);
+		env_set_default(NULL, 0);
 #else
 		bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
-		set_default_env("bad CRC", 0);
+		env_set_default("bad CRC", 0);
 #endif
 	} else {
 		env_load();
diff --git a/env/ext4.c b/env/ext4.c
index 9947381..6aa3686 100644
--- a/env/ext4.c
+++ b/env/ext4.c
@@ -21,6 +21,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <linux/stddef.h>
 #include <malloc.h>
@@ -127,7 +128,7 @@
 	return env_import(buf, 1);
 
 err_env_relocate:
-	set_default_env(NULL, 0);
+	env_set_default(NULL, 0);
 
 	return -EIO;
 }
diff --git a/env/fat.c b/env/fat.c
index 7f74c64..d23753c 100644
--- a/env/fat.c
+++ b/env/fat.c
@@ -9,6 +9,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <linux/stddef.h>
 #include <malloc.h>
@@ -122,7 +123,7 @@
 	return env_import(buf, 1);
 
 err_env_relocate:
-	set_default_env(NULL, 0);
+	env_set_default(NULL, 0);
 
 	return -EIO;
 }
diff --git a/env/mmc.c b/env/mmc.c
index b7b833f..4ca7c2b 100644
--- a/env/mmc.c
+++ b/env/mmc.c
@@ -8,6 +8,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <fdtdec.h>
 #include <linux/stddef.h>
@@ -346,7 +347,7 @@
 	fini_mmc_for_env(mmc);
 err:
 	if (ret)
-		set_default_env(errmsg, 0);
+		env_set_default(errmsg, 0);
 
 #endif
 	return ret;
@@ -387,7 +388,7 @@
 	fini_mmc_for_env(mmc);
 err:
 	if (ret)
-		set_default_env(errmsg, 0);
+		env_set_default(errmsg, 0);
 #endif
 	return ret;
 }
diff --git a/env/nand.c b/env/nand.c
index d0b95f4..3e2235f 100644
--- a/env/nand.c
+++ b/env/nand.c
@@ -15,6 +15,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <linux/stddef.h>
 #include <malloc.h>
@@ -325,7 +326,7 @@
 	tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
 	if (tmp_env1 == NULL || tmp_env2 == NULL) {
 		puts("Can't allocate buffers for environment\n");
-		set_default_env("malloc() failed", 0);
+		env_set_default("malloc() failed", 0);
 		ret = -EIO;
 		goto done;
 	}
@@ -364,14 +365,14 @@
 	if (mtd && !get_nand_env_oob(mtd, &nand_env_oob_offset)) {
 		printf("Found Environment offset in OOB..\n");
 	} else {
-		set_default_env("no env offset in OOB", 0);
+		env_set_default("no env offset in OOB", 0);
 		return;
 	}
 #endif
 
 	ret = readenv(CONFIG_ENV_OFFSET, (u_char *)buf);
 	if (ret) {
-		set_default_env("readenv() failed", 0);
+		env_set_default("readenv() failed", 0);
 		return -EIO;
 	}
 
diff --git a/env/sata.c b/env/sata.c
index a2ff5c6..a5364dd 100644
--- a/env/sata.c
+++ b/env/sata.c
@@ -8,6 +8,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <linux/stddef.h>
 #include <errno.h>
@@ -106,7 +107,7 @@
 	}
 
 	if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) {
-		set_default_env(NULL, 0);
+		env_set_default(NULL, 0);
 		return -EIO;
 	}
 
diff --git a/env/sf.c b/env/sf.c
index 4f92ae0..5531293 100644
--- a/env/sf.c
+++ b/env/sf.c
@@ -10,6 +10,7 @@
  */
 #include <common.h>
 #include <dm.h>
+#include <env.h>
 #include <environment.h>
 #include <malloc.h>
 #include <spi.h>
@@ -48,7 +49,7 @@
 				     CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE,
 				     &new);
 	if (ret) {
-		set_default_env("spi_flash_probe_bus_cs() failed", 0);
+		env_set_default("spi_flash_probe_bus_cs() failed", 0);
 		return ret;
 	}
 
@@ -60,7 +61,7 @@
 			CONFIG_ENV_SPI_CS,
 			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
 		if (!env_flash) {
-			set_default_env("spi_flash_probe() failed", 0);
+			env_set_default("spi_flash_probe() failed", 0);
 			return -EIO;
 		}
 	}
@@ -161,7 +162,7 @@
 	tmp_env2 = (env_t *)memalign(ARCH_DMA_MINALIGN,
 			CONFIG_ENV_SIZE);
 	if (!tmp_env1 || !tmp_env2) {
-		set_default_env("malloc() failed", 0);
+		env_set_default("malloc() failed", 0);
 		ret = -EIO;
 		goto out;
 	}
@@ -256,7 +257,7 @@
 
 	buf = (char *)memalign(ARCH_DMA_MINALIGN, CONFIG_ENV_SIZE);
 	if (!buf) {
-		set_default_env("malloc() failed", 0);
+		env_set_default("malloc() failed", 0);
 		return -EIO;
 	}
 
@@ -267,7 +268,7 @@
 	ret = spi_flash_read(env_flash,
 		CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
 	if (ret) {
-		set_default_env("spi_flash_read() failed", 0);
+		env_set_default("spi_flash_read() failed", 0);
 		goto err_read;
 	}
 
diff --git a/env/ubi.c b/env/ubi.c
index e4b8516..a69db14 100644
--- a/env/ubi.c
+++ b/env/ubi.c
@@ -7,6 +7,7 @@
 #include <common.h>
 
 #include <command.h>
+#include <env.h>
 #include <environment.h>
 #include <errno.h>
 #include <malloc.h>
@@ -123,7 +124,7 @@
 	if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) {
 		printf("\n** Cannot find mtd partition \"%s\"\n",
 		       CONFIG_ENV_UBI_PART);
-		set_default_env(NULL, 0);
+		env_set_default(NULL, 0);
 		return -EIO;
 	}
 
@@ -160,14 +161,14 @@
 	if (ubi_part(CONFIG_ENV_UBI_PART, UBI_VID_OFFSET)) {
 		printf("\n** Cannot find mtd partition \"%s\"\n",
 		       CONFIG_ENV_UBI_PART);
-		set_default_env(NULL, 0);
+		env_set_default(NULL, 0);
 		return -EIO;
 	}
 
 	if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, buf, CONFIG_ENV_SIZE)) {
 		printf("\n** Unable to read env from %s:%s **\n",
 		       CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
-		set_default_env(NULL, 0);
+		env_set_default(NULL, 0);
 		return -EIO;
 	}