[PATCH 3/4] irqchip/gic: Use GIC_* DT binding definitions

[Geert Uytterhoeven]

Replace magic numbers by symbolic DT binding definitions.  This improves
readability, and makes it easier to find where the various GIC
interrupts types are handled.

Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
 drivers/irqchip/irq-gic-v3.c | 14 ++++++++------
 drivers/irqchip/irq-gic.c    |  6 ++++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index d75163e71bf22473..6ac103cb40097acc 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -35,6 +35,8 @@
 #include <asm/smp_plat.h>
 #include <asm/virt.h>
 
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "irq-gic-common.h"
 
 static u8 dist_prio_irq __ro_after_init = GICV3_PRIO_IRQ;
@@ -1602,25 +1604,25 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 			return -EINVAL;
 
 		switch (fwspec->param[0]) {
-		case 0:			/* SPI */
+		case GIC_SPI:
 			if (fwspec->param[1] > 987)
 				pr_warn_once("SPI %u out of range (use ESPI?)\n",
 					     fwspec->param[1]);
 			*hwirq = fwspec->param[1] + 32;
 			break;
-		case 1:			/* PPI */
+		case GIC_PPI:
 			if (fwspec->param[1] > 16)
 				pr_warn_once("PPI %u out of range (use EPPI?)\n",
 					     fwspec->param[1]);
 			*hwirq = fwspec->param[1] + 16;
 			break;
-		case 2:			/* ESPI */
+		case GIC_ESPI:
 			if (fwspec->param[1] > 1023)
 				pr_warn_once("ESPI %u out of range\n",
 					     fwspec->param[1]);
 			*hwirq = fwspec->param[1] + ESPI_BASE_INTID;
 			break;
-		case 3:			/* EPPI */
+		case GIC_EPPI:
 			if (fwspec->param[1] > 63)
 				pr_warn_once("EPPI %u out of range\n",
 					     fwspec->param[1]);
@@ -1738,8 +1740,8 @@ static int gic_irq_get_fwspec_info(struct irq_fwspec *fwspec, struct irq_fwspec_
 		struct fwnode_handle *fw;
 
 		switch (fwspec->param[0]) {
-		case 1:			/* PPI */
-		case 3:			/* EPPI */
+		case GIC_PPI:
+		case GIC_EPPI:
 			break;
 		default:
 			return 0;
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index ec70c84e9f91dd7b..a2225ca1efeb700d 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -47,6 +47,8 @@
 #include <asm/smp_plat.h>
 #include <asm/virt.h>
 
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
 #include "irq-gic-common.h"
 
 #ifdef CONFIG_ARM64
@@ -1094,10 +1096,10 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 			return -EINVAL;
 
 		switch (fwspec->param[0]) {
-		case 0:			/* SPI */
+		case GIC_SPI:
 			*hwirq = fwspec->param[1] + 32;
 			break;
-		case 1:			/* PPI */
+		case GIC_PPI:
 			*hwirq = fwspec->param[1] + 16;
 			break;
 		default:
-- 
2.43.0