From 2643c85da2519739ebd2323329011b860198d7b3 Mon Sep 17 00:00:00 2001
From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Mon, 18 Feb 2019 10:58:16 +0100
Subject: [PATCH] env: enable saveenv command when one CONFIG_ENV_IS_IN is
 activated

Introduce ENV_IS_IN_DEVICE to test if one the
CONFIG_ENV_IS_IN_ is defined and support the command
saveenv even if CONFIG_ENV_IS_NOWHERE is activated

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---
 cmd/nvedit.c | 36 +++++++++++++++++++++---------------
 1 file changed, 21 insertions(+), 15 deletions(-)

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index 24a6cf7824..5d723acdee 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -39,18 +39,24 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if	!defined(CONFIG_ENV_IS_IN_EEPROM)	&& \
-	!defined(CONFIG_ENV_IS_IN_FLASH)	&& \
-	!defined(CONFIG_ENV_IS_IN_MMC)		&& \
-	!defined(CONFIG_ENV_IS_IN_FAT)		&& \
-	!defined(CONFIG_ENV_IS_IN_EXT4)		&& \
-	!defined(CONFIG_ENV_IS_IN_NAND)		&& \
-	!defined(CONFIG_ENV_IS_IN_NVRAM)	&& \
-	!defined(CONFIG_ENV_IS_IN_ONENAND)	&& \
-	!defined(CONFIG_ENV_IS_IN_SATA)		&& \
-	!defined(CONFIG_ENV_IS_IN_SPI_FLASH)	&& \
-	!defined(CONFIG_ENV_IS_IN_REMOTE)	&& \
-	!defined(CONFIG_ENV_IS_IN_UBI)		&& \
+#if	defined(CONFIG_ENV_IS_IN_EEPROM)	|| \
+	defined(CONFIG_ENV_IS_IN_FLASH)		|| \
+	defined(CONFIG_ENV_IS_IN_MMC)		|| \
+	defined(CONFIG_ENV_IS_IN_FAT)		|| \
+	defined(CONFIG_ENV_IS_IN_EXT4)		|| \
+	defined(CONFIG_ENV_IS_IN_NAND)		|| \
+	defined(CONFIG_ENV_IS_IN_NVRAM)		|| \
+	defined(CONFIG_ENV_IS_IN_ONENAND)	|| \
+	defined(CONFIG_ENV_IS_IN_SATA)		|| \
+	defined(CONFIG_ENV_IS_IN_SPI_FLASH)	|| \
+	defined(CONFIG_ENV_IS_IN_REMOTE)	|| \
+	defined(CONFIG_ENV_IS_IN_UBI)
+
+#define ENV_IS_IN_DEVICE
+
+#endif
+
+#if	!defined(ENV_IS_IN_DEVICE)		&& \
 	!defined(CONFIG_ENV_IS_NOWHERE)
 # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|MMC|FAT|EXT4|\
 NAND|NVRAM|ONENAND|SATA|SPI_FLASH|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE
@@ -749,7 +755,7 @@ ulong env_get_ulong(const char *name, int base, ulong default_val)
 }
 
 #ifndef CONFIG_SPL_BUILD
-#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
 static int do_env_save(cmd_tbl_t *cmdtp, int flag, int argc,
 		       char * const argv[])
 {
@@ -1205,7 +1211,7 @@ static cmd_tbl_t cmd_env_sub[] = {
 #if defined(CONFIG_CMD_RUN)
 	U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""),
 #endif
-#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
 	U_BOOT_CMD_MKENT(save, 1, 0, do_env_save, "", ""),
 #endif
 	U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 0, do_env_set, "", ""),
@@ -1280,7 +1286,7 @@ static char env_help_text[] =
 #if defined(CONFIG_CMD_RUN)
 	"env run var [...] - run commands in an environment variable\n"
 #endif
-#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
 	"env save - save environment\n"
 #endif
 #if defined(CONFIG_CMD_NVEDIT_EFI)