[RFC PATCH v3 49/78] hw/arm: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidiana...@linaro.org>
---
 hw/arm/omap1.c     | 8 ++++----
 hw/arm/pxa2xx.c    | 6 +++---
 hw/arm/stellaris.c | 1 +
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c
index d5438156ee..c54a4ec553 100644
--- a/hw/arm/omap1.c
+++ b/hw/arm/omap1.c
@@ -552,7 +552,7 @@ static uint64_t omap_ulpd_pm_read(void *opaque, hwaddr addr,
     case 0x28: /* Reserved */
     case 0x2c: /* Reserved */
         OMAP_BAD_REG(addr);
-        /* fall through */
+        fallthrough;
     case 0x00: /* COUNTER_32_LSB */
     case 0x04: /* COUNTER_32_MSB */
     case 0x08: /* COUNTER_HIGH_FREQ_LSB */
@@ -658,7 +658,7 @@ static void omap_ulpd_pm_write(void *opaque, hwaddr addr,
     case 0x28: /* Reserved */
     case 0x2c: /* Reserved */
         OMAP_BAD_REG(addr);
-        /* fall through */
+        fallthrough;
     case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
     case 0x38: /* COUNTER_32_FIQ */
     case 0x48: /* LOCL_TIME */
@@ -3181,7 +3181,7 @@ static uint64_t omap_mcbsp_read(void *opaque, hwaddr addr,
     case 0x00: /* DRR2 */
         if (((s->rcr[0] >> 5) & 7) < 3)                        /* RWDLEN1 */
             return 0x0000;
-        /* Fall through.  */
+        fallthrough;
     case 0x02: /* DRR1 */
         if (s->rx_req < 2) {
             printf("%s: Rx FIFO underrun\n", __func__);
@@ -3279,7 +3279,7 @@ static void omap_mcbsp_writeh(void *opaque, hwaddr addr,
     case 0x04: /* DXR2 */
         if (((s->xcr[0] >> 5) & 7) < 3)                        /* XWDLEN1 */
             return;
-        /* Fall through.  */
+        fallthrough;
     case 0x06: /* DXR1 */
         if (s->tx_req > 1) {
             s->tx_req -= 2;
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 07d5dd8691..eaa6684243 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -285,7 +285,7 @@ static void pxa2xx_pwrmode_write(CPUARMState *env, const 
ARMCPRegInfo *ri,
             cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT);
             break;
         }
-        /* Fall through.  */
+        fallthrough;
 
     case 2:
         /* Deep-Idle */
@@ -425,7 +425,7 @@ static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr,
     case MDCNFG ... SA1110:
         if ((addr & 3) == 0)
             return s->mm_regs[addr >> 2];
-        /* fall through */
+        fallthrough;
     default:
         qemu_log_mask(LOG_GUEST_ERROR,
                       "%s: Bad read offset 0x%"HWADDR_PRIx"\n",
@@ -446,7 +446,7 @@ static void pxa2xx_mm_write(void *opaque, hwaddr addr,
             s->mm_regs[addr >> 2] = value;
             break;
         }
-        /* fallthrough */
+        fallthrough;
     default:
         qemu_log_mask(LOG_GUEST_ERROR,
                       "%s: Bad write offset 0x%"HWADDR_PRIx"\n",
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index aa5b0ddfaa..d68602ab71 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -157,6 +157,7 @@ static int ssys_board_class(const ssys_state *s)
             return did0 & DID0_CLASS_MASK;
         }
         /* for unknown classes, fall through */
+        fallthrough;
     default:
         /* This can only happen if the hardwired constant did0 value
          * in this board's stellaris_board_info struct is wrong.
-- 
2.39.2