Commit e9479e0e authored by Marc Zyngier's avatar Marc Zyngier Committed by Jason Cooper
Browse files

ARM: tegra: skip gic_arch_extn setup if DT has a LIC node 



If we detect that our DT has a LIC node, don't setup gic_arch_extn,
and skip tegra_legacy_irq_syscore_init as well.

This is only a temporary measure until that code is removed for good.

Acked-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-4-git-send-email-marc.zyngier@arm.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent de3ce080

arch/arm/mach-tegra/irq.c

+12 −0
Original line number Diff line number Diff line
@@ -255,11 +255,22 @@ static void tegra114_gic_cpu_pm_registration(void) 
static void tegra114_gic_cpu_pm_registration(void) { }

#endif



static const struct of_device_id tegra_ictlr_match[] __initconst = {

	{ .compatible = "nvidia,tegra20-ictlr" },

	{ .compatible = "nvidia,tegra30-ictlr" },

	{ }

};



void __init tegra_init_irq(void)

{

	int i;

	void __iomem *distbase;



	if (of_find_matching_node(NULL, tegra_ictlr_match))

		goto skip_extn_setup;



	tegra_legacy_irq_syscore_init();



	distbase = IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE);

	num_ictlrs = readl_relaxed(distbase + GIC_DIST_CTR) & 0x1f;
@@ -283,5 +294,6 @@ void __init tegra_init_irq(void) 
	gic_arch_extn.irq_set_wake = tegra_set_wake;

	gic_arch_extn.flags = IRQCHIP_MASK_ON_SUSPEND;



skip_extn_setup:

	tegra114_gic_cpu_pm_registration();

}

arch/arm/mach-tegra/tegra.c

+0 −1
Original line number Diff line number Diff line
@@ -82,7 +82,6 @@ static void __init tegra_dt_init_irq(void) 
{

	tegra_init_irq();

	irqchip_init();

	tegra_legacy_irq_syscore_init();

}



static void __init tegra_dt_init(void)

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