[PATCH v3 13/38] doc: Clean up SYS_MALLOC_SIMPLE

[Simon Glass]

Move the useful help to Kconfig.

Drop mention of CONFIG_SYS_MALLOC_SIMPLE since it doesn't exist.

Correct a 'CONFIGSYS_MALLOC_F_LEN' typo

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v3:
- Add new patch to clean up SYS_MALLOC_SIMPLE documentation

 Kconfig                  | 15 +++++++++++----
 README                   | 18 ------------------
 doc/usage/cmd/bdinfo.rst |  2 +-
 3 files changed, 12 insertions(+), 23 deletions(-)

diff --git a/Kconfig b/Kconfig
index 57afe597b0c8..a3061c86124e 100644
--- a/Kconfig
+++ b/Kconfig
@@ -277,10 +277,17 @@ config SYS_MALLOC_F_LEN
 	default 0x10000 if ARCH_IMX8 || ARCH_IMX8M
 	default 0x2000
 	help
-	  Before relocation, memory is very limited on many platforms. Still,
-	  we can provide a small malloc() pool if needed. Driver model in
-	  particular needs this to operate, so that it can allocate the
-	  initial serial device and any others that are needed.
+		Size of the malloc() pool for use before relocation. If
+		this is defined, then a very simple malloc() implementation
+		will become available before relocation. The address is just
+		below the global data, and the stack is moved down to make
+		space.
+
+		This feature allocates regions with increasing addresses
+		within the region. calloc() is supported, but realloc()
+		is not available. free() is supported but does nothing.
+		The memory will be freed (or in fact just forgotten) when
+		U-Boot relocates itself.
 
 config SYS_MALLOC_LEN
 	hex "Define memory for Dynamic allocation"
diff --git a/README b/README
index a1f90642274d..60c6b8a19db1 100644
--- a/README
+++ b/README
@@ -1281,24 +1281,6 @@ Configuration Settings:
 - CONFIG_SYS_MALLOC_LEN:
 		Size of DRAM reserved for malloc() use.
 
-- CONFIG_SYS_MALLOC_F_LEN
-		Size of the malloc() pool for use before relocation. If
-		this is defined, then a very simple malloc() implementation
-		will become available before relocation. The address is just
-		below the global data, and the stack is moved down to make
-		space.
-
-		This feature allocates regions with increasing addresses
-		within the region. calloc() is supported, but realloc()
-		is not available. free() is supported but does nothing.
-		The memory will be freed (or in fact just forgotten) when
-		U-Boot relocates itself.
-
-- CONFIG_SYS_MALLOC_SIMPLE
-		Provides a simple and small malloc() and calloc() for those
-		boards which do not use the full malloc in SPL (which is
-		enabled with CONFIG_SPL_SYS_MALLOC).
-
 - CFG_SYS_BOOTMAPSZ:
 		Maximum size of memory mapped by the startup code of
 		the Linux kernel; all data that must be processed by
diff --git a/doc/usage/cmd/bdinfo.rst b/doc/usage/cmd/bdinfo.rst
index b287d0ff7369..5261085a068d 100644
--- a/doc/usage/cmd/bdinfo.rst
+++ b/doc/usage/cmd/bdinfo.rst
@@ -106,7 +106,7 @@ sp start
 
 Early malloc usage
     amount of memory used in the early malloc memory and its maximum size
-    as defined by CONFIGSYS_MALLOC_F_LEN
+    as defined by CONFIG_SYS_MALLOC_F_LEN
 
 Configuration
 -------------
-- 
2.42.0.515.g380fc7ccd1-goog