[PATCH v3 5/9] sunxi: binman: Provide a default BL31 filename

[Samuel Holland]

Prior to commit 7f7f8aca8257 ("sunxi: Convert 64-bit boards to use
binman"), if the BL31 environment variable was not defined, the firmware
would be loaded from a file "bl31.bin" in the current directory. Restore
that behavior by providing that as the default filename in case no entry
arg is provided, which will be the case if the environment variable is
unset.

Signed-off-by: Samuel Holland <samuel at sholland.org>
---

I tested this and verified it to work. The key code is from
tools/binman/etype/blob_named_by_arg.py:
	super().__init__(...)
	filename, = self.GetEntryArgsOrProps(...)
	if filename:
	    self._filename = filename

If `filename` is the empty string, it evaluates to False, and the filename
set from the DT property in the superclass constructor is not overwritten.

---
 arch/arm/dts/sunxi-u-boot.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi
index 82b97a9503f..6ab0c783ba5 100644
--- a/arch/arm/dts/sunxi-u-boot.dtsi
+++ b/arch/arm/dts/sunxi-u-boot.dtsi
@@ -52,6 +52,7 @@
 #endif
 
 					atf-bl31 {
+						filename = "bl31.bin";
 					};
 				};
 
-- 
2.26.2