From 977cb76d52e7aa040e18a84b29fe6fd80d79319b Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Mon, 6 Jun 2011 10:15:49 +0200 Subject: [PATCH] x86: devicetree: Add missing early_init_dt_setup_initrd_arch stub This patch fixes the following build failure: drivers/built-in.o: In function `early_init_dt_check_for_initrd': /home/florian/dev/kernel/x86/linux-2.6-x86/drivers/of/fdt.c:571: undefined reference to `early_init_dt_setup_initrd_arch' make: *** [.tmp_vmlinux1] Error 1 which happens as soon as we enable initrd support on a x86 devicetree platform such as Intel CE4100. Signed-off-by: Florian Fainelli Acked-by: Grant Likely Cc: Maxime Bizon Acked-by: Sebastian Andrzej Siewior Cc: stable@kernel.org # 2.6.39 Link: http://lkml.kernel.org/r/201106061015.50039.ffainelli@freebox.fr Signed-off-by: Thomas Gleixner --- arch/x86/kernel/devicetree.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 690bc8461835..9aeb78a23de4 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -98,6 +99,16 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); } +#ifdef CONFIG_BLK_DEV_INITRD +void __init early_init_dt_setup_initrd_arch(unsigned long start, + unsigned long end) +{ + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(end); + initrd_below_start_ok = 1; +} +#endif + void __init add_dtb(u64 data) { initial_dtb = data + offsetof(struct setup_data, data); -- 2.39.2