linux-kernel - linux-next: build failure after merge of the arm-soc tree

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Date:	Fri, 12 Jun 2015 10:30:14 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org
Cc:	linux-next@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	khilman@...aro.org, dinguyen@...nsource.altera.com,
	rmk+kernel@....linux.org.uk
Subject: linux-next: build failure after merge of the arm-soc tree

Hi all,

After merging the arm-soc tree, today's linux-next build (arm_multi_v7_defconfig)
failed like this:

  scripts/Makefile.build:258: recipe for target 'arch/arm/mach-socfpga/platsmp.o' failed
  arch/arm/mach-socfpga/platsmp.c:66:23: error: 'socfpga_secondary_startup' undeclared (first use in this function)
     writel(virt_to_phys(socfpga_secondary_startup),
                       ^

Caused by the interaction of commits 45be0cdb5323 "ARM: socfpga: add
CPU_METHOD_OF_DECLARE for Arria 10" and 02b4e2756e01 "ARM: v7 setup function
should invalidate L1 cache".

I applied the following fix for today.

diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c
index 4d2ad3d31f7b..c6f1df89f9af 100644
--- a/arch/arm/mach-socfpga/platsmp.c
+++ b/arch/arm/mach-socfpga/platsmp.c
@@ -63,7 +63,7 @@ static int socfpga_a10_boot_secondary(unsigned int cpu, struct task_struct *idle
 		       SOCFPGA_A10_RSTMGR_MODMPURST);
 		memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size);
 
-		writel(virt_to_phys(socfpga_secondary_startup),
+		writel(virt_to_phys(secondary_startup),
 		       sys_manager_base_addr + (socfpga_cpu1start_addr & 0x00000fff));
 
 		flush_cache_all();

cheers



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