Patch "cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected" has been added to the 4.4-stable tree

Patch "cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cris-only-build-flash-rescue-image-if-config_etrax_axisflashmap-is-selected.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 328cf6927bb72cadefddebbc9a23c793108147a2 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sun, 30 Oct 2016 09:09:18 -0700
Subject: cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected

From: Guenter Roeck <linux@roeck-us.net>

commit 328cf6927bb72cadefddebbc9a23c793108147a2 upstream.

If CONFIG_ETRAX_AXISFLASHMAP is not configured, the flash rescue image
object file is empty. With recent versions of binutils, this results
in the following build error.

cris-linux-objcopy: error:
	the input file 'arch/cris/boot/rescue/rescue.o' has no sections

This is seen, for example, when trying to build cris:allnoconfig
with recently generated toolchains.

Since it does not make sense to build a flash rescue image if there is
no flash, only build it if CONFIG_ETRAX_AXISFLASHMAP is enabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 66ab3a74c5ce ("CRIS: Merge machine dependent boot/compressed ..")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/cris/boot/rescue/Makefile |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/cris/boot/rescue/Makefile
+++ b/arch/cris/boot/rescue/Makefile
@@ -10,6 +10,9 @@
 
 asflags-y += $(LINUXINCLUDE)
 ccflags-y += -O2 $(LINUXINCLUDE)
+
+ifdef CONFIG_ETRAX_AXISFLASHMAP
+
 arch-$(CONFIG_ETRAX_ARCH_V10) = v10
 arch-$(CONFIG_ETRAX_ARCH_V32) = v32
 
@@ -28,6 +31,11 @@ $(obj)/rescue.bin: $(obj)/rescue.o FORCE
 	$(call if_changed,objcopy)
 	cp -p $(obj)/rescue.bin $(objtree)
 
+else
+$(obj)/rescue.bin:
+
+endif
+
 $(obj)/testrescue.bin: $(obj)/testrescue.o
 	$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
 # Pad it to 784 bytes


Patches currently in stable-queue which might be from linux@roeck-us.net are

queue-4.4/cris-only-build-flash-rescue-image-if-config_etrax_axisflashmap-is-selected.patch