MIPS: ath79: fix build problem if CONFIG_BLK_DEV_INITRD is not set (556b6629) · Commits · 戴 / test

initrd_start is defined in init/do_mounts_initrd.c, which is only included in kernel if CONFIG_BLK_DEV_INITRD=y. Signed-off-by:

Laurent Fasnacht <l@libres.ch> Cc: linux-mips@linux-mips.org Cc: trivial@kernel.org Patchwork: https://patchwork.linux-mips.org/patch/10198/ Signed-off-by:

arch/mips/ath79/prom.c

+3 −0

Original line number	Diff line number	Diff line
		/*
		* Atheros AR71XX/AR724X/AR913X specific prom routines
		*
		* Copyright (C) 2015 Laurent Fasnacht <l@libres.ch>
		* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
		* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
		*
		@@ -25,12 +26,14 @@ void __init prom_init(void)
		{
		fw_init_cmdline();

		#ifdef CONFIG_BLK_DEV_INITRD
		/* Read the initrd address from the firmware environment */
		initrd_start = fw_getenvl("initrd_start");
		if (initrd_start) {
		initrd_start = KSEG0ADDR(initrd_start);
		initrd_end = initrd_start + fw_getenvl("initrd_size");
		}
		#endif
		}

		void __init prom_free_prom_memory(void)