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Diffstat (limited to 'arch/arm/mach-tegra/irq.c')
-rw-r--r--arch/arm/mach-tegra/irq.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index 4956c3cea73..4e1afcd54fa 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -21,6 +21,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <asm/hardware/gic.h>
@@ -28,10 +29,6 @@
#include "board.h"
-#define INT_SYS_NR (INT_GPIO_BASE - INT_PRI_BASE)
-#define INT_SYS_SZ (INT_SEC_BASE - INT_PRI_BASE)
-#define PPI_NR ((INT_SYS_NR+INT_SYS_SZ-1)/INT_SYS_SZ)
-
#define ICTLR_CPU_IEP_VFIQ 0x08
#define ICTLR_CPU_IEP_FIR 0x14
#define ICTLR_CPU_IEP_FIR_SET 0x18
@@ -129,6 +126,11 @@ void __init tegra_init_irq(void)
gic_arch_extn.irq_unmask = tegra_unmask;
gic_arch_extn.irq_retrigger = tegra_retrigger;
- gic_init(0, 29, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE),
- IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
+ /*
+ * Check if there is a devicetree present, since the GIC will be
+ * initialized elsewhere under DT.
+ */
+ if (!of_have_populated_dt())
+ gic_init(0, 29, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE),
+ IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
}