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-rw-r--r--drivers/dfu/dfu.c16
-rw-r--r--drivers/dfu/dfu_mmc.c3
-rw-r--r--include/dfu.h1
-rw-r--r--include/env_callback.h7
4 files changed, 26 insertions, 1 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 540d48fab77..7a4d7ba2a7f 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -27,6 +27,21 @@ static unsigned long dfu_timeout = 0;
#endif
bool dfu_reinit_needed = false;
+bool dfu_alt_info_changed = false;
+
+static int on_dfu_alt_info(const char *name, const char *value, enum env_op op,
+ int flags)
+{
+ switch (op) {
+ case env_op_create:
+ case env_op_overwrite:
+ case env_op_delete:
+ dfu_alt_info_changed = true;
+ break;
+ }
+ return 0;
+}
+U_BOOT_ENV_CALLBACK(dfu_alt_info, on_dfu_alt_info);
/*
* The purpose of the dfu_flush_callback() function is to
@@ -152,6 +167,7 @@ int dfu_init_env_entities(char *interface, char *devstr)
int ret = 0;
dfu_reinit_needed = false;
+ dfu_alt_info_changed = false;
#ifdef CONFIG_SET_DFU_ALT_INFO
set_dfu_alt_info(interface, devstr);
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 8f7ecfa8fc7..c19eb919388 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -232,7 +232,8 @@ int dfu_flush_medium_mmc(struct dfu_entity *dfu)
break;
case DFU_SCRIPT:
/* script may have changed the dfu_alt_info */
- dfu_reinit_needed = true;
+ if (dfu_alt_info_changed)
+ dfu_reinit_needed = true;
break;
case DFU_RAW_ADDR:
case DFU_SKIP:
diff --git a/include/dfu.h b/include/dfu.h
index 6c5431b3948..e25588c33cb 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -517,6 +517,7 @@ static inline int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr,
#endif
extern bool dfu_reinit_needed;
+extern bool dfu_alt_info_changed;
#if CONFIG_IS_ENABLED(DFU_WRITE_ALT)
/**
diff --git a/include/env_callback.h b/include/env_callback.h
index 8e500aaaf80..66cc8309e71 100644
--- a/include/env_callback.h
+++ b/include/env_callback.h
@@ -69,6 +69,12 @@
#define BOOTSTD_CALLBACK
#endif
+#ifdef CONFIG_DFU
+#define DFU_CALLBACK "dfu_alt_info:dfu_alt_info,"
+#else
+#define DFU_CALLBACK
+#endif
+
/*
* This list of callback bindings is static, but may be overridden by defining
* a new association in the ".callbacks" environment variable.
@@ -79,6 +85,7 @@
NET_CALLBACKS \
NET6_CALLBACKS \
BOOTSTD_CALLBACK \
+ DFU_CALLBACK \
"loadaddr:loadaddr," \
SILENT_CALLBACK \
"stdin:console,stdout:console,stderr:console," \