ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9 (909444ab) · Commits · 戴 / test

Skip scu_enable(scu_base) if CPU is not Cortex A9 with SCU. Signed-off-by:

arch/arm/mach-tegra/platsmp.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -36,8 +36,6 @@

		extern void tegra_secondary_startup(void);

		static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);

		#define EVP_CPU_RESET_VECTOR \
		(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)

		@@ -151,7 +149,8 @@ static void __init tegra_smp_init_cpus(void)
		static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
		{
		tegra_cpu_reset_handler_init();
		scu_enable(scu_base);
		if (scu_a9_has_base())
		scu_enable(IO_ADDRESS(scu_a9_get_base()));
		}

		struct smp_operations tegra_smp_ops __initdata = {