From: Mubin Sayyed <redacted>

This patch adds support for multiple instances of
xilinx interrupt controller. Below configurations are
supported by driver,

- peripheral->xilinx-intc->xilinx-intc->gic
- peripheral->xilinx-intc->xilinx-intc

Signed-off-by: Anirudha Sarangi <redacted>
Signed-off-by: Mubin Sayyed <redacted>
---
 drivers/irqchip/irq-xilinx-intc.c | 143 +++++++++++++++++++++++---------------
 1 file changed, 87 insertions(+), 56 deletions(-)

diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c
index e3043de..43d6e4e 100644
--- a/drivers/irqchip/irq-xilinx-intc.c
+++ b/drivers/irqchip/irq-xilinx-intc.c

@@ -15,10 +15,11 @@
 #include <linux/irqchip/chained_irq.h>
 #include <linux/of_address.h>
 #include <linux/io.h>
-#include <linux/jump_label.h>
 #include <linux/bug.h>
 #include <linux/of_irq.h>
 
+static struct xintc_irq_chip *primary_intc;

+
 /* No one else should require these constants, so define them locally here. */
 #define ISR 0x00			/* Interrupt Status Register */
 #define IPR 0x04			/* Interrupt Pending Register */

@@ -32,35 +33,40 @@
 #define MER_ME (1<<0)
 #define MER_HIE (1<<1)
 
-static DEFINE_STATIC_KEY_FALSE(xintc_is_be);