From df561f6688fef775baa341a0f5d960becd248b11 Mon Sep 17 00:00:00 2001
From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Date: Sun, 23 Aug 2020 17:36:59 -0500
Subject: treewide: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 drivers/irqchip/irq-gic-v3-its.c | 4 ++--
 drivers/irqchip/irq-gic-v3.c     | 8 ++++----
 drivers/irqchip/irq-imx-gpcv2.c  | 2 +-
 drivers/irqchip/irq-mips-gic.c   | 2 +-
 drivers/irqchip/irq-vic.c        | 2 +-
 5 files changed, 9 insertions(+), 9 deletions(-)

(limited to 'drivers/irqchip')

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 95f097448f97..548de7538632 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2737,7 +2737,7 @@ static bool allocate_vpe_l2_table(int cpu, u32 id)
 	switch (gpsz) {
 	default:
 		WARN_ON(1);
-		/* fall through */
+		fallthrough;
 	case GIC_PAGE_SIZE_4K:
 		psz = SZ_4K;
 		break;
@@ -2832,7 +2832,7 @@ static int allocate_vpe_l1_table(void)
 	switch (gpsz) {
 	default:
 		gpsz = GIC_PAGE_SIZE_4K;
-		/* fall through */
+		fallthrough;
 	case GIC_PAGE_SIZE_4K:
 		psz = SZ_4K;
 		break;
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 324f280ff606..850842f27bee 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -965,10 +965,10 @@ static void gic_cpu_sys_reg_init(void)
 		case 7:
 			write_gicreg(0, ICC_AP0R3_EL1);
 			write_gicreg(0, ICC_AP0R2_EL1);
-		/* Fall through */
+			fallthrough;
 		case 6:
 			write_gicreg(0, ICC_AP0R1_EL1);
-		/* Fall through */
+			fallthrough;
 		case 5:
 		case 4:
 			write_gicreg(0, ICC_AP0R0_EL1);
@@ -982,10 +982,10 @@ static void gic_cpu_sys_reg_init(void)
 	case 7:
 		write_gicreg(0, ICC_AP1R3_EL1);
 		write_gicreg(0, ICC_AP1R2_EL1);
-		/* Fall through */
+		fallthrough;
 	case 6:
 		write_gicreg(0, ICC_AP1R1_EL1);
-		/* Fall through */
+		fallthrough;
 	case 5:
 	case 4:
 		write_gicreg(0, ICC_AP1R0_EL1);
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 4f74c15c4755..7031ef44de4f 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -259,7 +259,7 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node,
 		case 4:
 			writel_relaxed(~0, reg + GPC_IMR1_CORE2);
 			writel_relaxed(~0, reg + GPC_IMR1_CORE3);
-			/* fall through */
+			fallthrough;
 		case 2:
 			writel_relaxed(~0, reg + GPC_IMR1_CORE0);
 			writel_relaxed(~0, reg + GPC_IMR1_CORE1);
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index aacfa012c082..215885962bb0 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -480,7 +480,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq,
 	case GIC_LOCAL_INT_TIMER:
 		/* CONFIG_MIPS_CMP workaround (see __gic_init) */
 		map = GIC_MAP_PIN_MAP_TO_PIN | timer_cpu_pin;
-		/* fall-through */
+		fallthrough;
 	case GIC_LOCAL_INT_PERFCTR:
 	case GIC_LOCAL_INT_FDC:
 		/*
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
index bc235db8a4c5..e46036374227 100644
--- a/drivers/irqchip/irq-vic.c
+++ b/drivers/irqchip/irq-vic.c
@@ -455,7 +455,7 @@ static void __init __vic_init(void __iomem *base, int parent_irq, int irq_start,
 		return;
 	default:
 		printk(KERN_WARNING "VIC: unknown vendor, continuing anyways\n");
-		/* fall through */
+		fallthrough;
 	case AMBA_VENDOR_ARM:
 		break;
 	}
-- 
cgit