mmc: fix off-by-one bug in mmc_startup_v4()

[people/ms/u-boot.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 8f19b2db56d973d012b4cd7709bd93cd4616de66..8f21653136b741bee9675e0e23fbb0690887144b 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -522,3 +522,21 @@ MKIMAGEOUTPUT ?= /dev/null
 quiet_cmd_mkimage = MKIMAGE $@
 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
        $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+
+# fdtgrep
+# ---------------------------------------------------------------------------
+# Pass the original device tree file through fdtgrep twice. The first pass
+# removes any unwanted nodes (i.e. those which don't have the
+# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
+# pass removes various unused properties from the remaining nodes.
+# The output is typically a much smaller device tree file.
+ifeq ($(CONFIG_TPL_BUILD),y)
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
+else
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
+endif
+quiet_cmd_fdtgrep = FDTGREP $@
+      cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
+               -n /chosen -n /config -O dtb | \
+       $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
+               $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))