On Mon, Sep 29, 2014 at 08:04:52PM +0800, zhang.lyra at gmail.com wrote:

+config SERIAL_EARLYCON_SPRD
+	bool "Early console using SPRD serial"
+	depends on ARM64

This code doesn't appear to be ARM64 specific so adding an ||
COMPILE_TEST will allow better build time coverage for people doing
generic work on the subsystem.
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