Commit 4b3e6f2e authored Jan 31, 2017 by Max Filippov

xtensa: fix noMMU build on cores with MMU



Commit bf15f86b ("xtensa: initialize MMU before jumping to reset
vector") calls MMU management functions even when CONFIG_MMU is not
selected. That breaks noMMU build on cores with MMU.

Don't manage MMU when CONFIG_MMU is not selected.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

parent 69973b83

arch/xtensa/kernel/setup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -540,7 +540,7 @@ subsys_initcall(topology_init);

		void cpu_reset(void)
		{
		#if XCHAL_HAVE_PTP_MMU
		#if XCHAL_HAVE_PTP_MMU && IS_ENABLED(CONFIG_MMU)
		local_irq_disable();
		/*
		* We have full MMU: all autoload ways, ways 7, 8 and 9 of DTLB must