[RFC PATCH v3 13/78] hw/adc: 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.

(Cédric Le Goater review is for aspeed_adc.c)

Reviewed-by: Cédric Le Goater <c...@kaod.org>
Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidiana...@linaro.org>
---
 hw/adc/aspeed_adc.c | 12 ++++++------
 hw/adc/zynq-xadc.c  |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/hw/adc/aspeed_adc.c b/hw/adc/aspeed_adc.c
index 0d29663129..f9f5f7bb17 100644
--- a/hw/adc/aspeed_adc.c
+++ b/hw/adc/aspeed_adc.c
@@ -119,7 +119,7 @@ static uint64_t aspeed_adc_engine_read(void *opaque, hwaddr 
addr,
                           __func__, s->engine_id, reg - BOUNDS_CHANNEL_0);
             break;
         }
-        /* fallthrough */
+        fallthrough;
     case HYSTERESIS_CHANNEL_8 ... HYSTERESIS_CHANNEL_15:
         if (s->nr_channels <= 8) {
             qemu_log_mask(LOG_GUEST_ERROR, "%s: engine[%u]: "
@@ -127,7 +127,7 @@ static uint64_t aspeed_adc_engine_read(void *opaque, hwaddr 
addr,
                           __func__, s->engine_id, reg - HYSTERESIS_CHANNEL_0);
             break;
         }
-        /* fallthrough */
+        fallthrough;
     case BOUNDS_CHANNEL_0 ... BOUNDS_CHANNEL_7:
     case HYSTERESIS_CHANNEL_0 ... HYSTERESIS_CHANNEL_7:
     case ENGINE_CONTROL:
@@ -145,7 +145,7 @@ static uint64_t aspeed_adc_engine_read(void *opaque, hwaddr 
addr,
                           __func__, s->engine_id, reg - DATA_CHANNEL_1_AND_0);
             break;
         }
-        /* fallthrough */
+        fallthrough;
     case DATA_CHANNEL_1_AND_0 ... DATA_CHANNEL_7_AND_6:
         value = read_channel_sample(s, reg);
         /* Allow 16-bit reads of the data registers */
@@ -194,7 +194,7 @@ static void aspeed_adc_engine_write(void *opaque, hwaddr 
addr, uint64_t value,
                           __func__, s->engine_id, reg - DATA_CHANNEL_1_AND_0);
             return;
         }
-        /* fallthrough */
+        fallthrough;
     case BOUNDS_CHANNEL_8 ... BOUNDS_CHANNEL_15:
         if (s->nr_channels <= 8) {
             qemu_log_mask(LOG_GUEST_ERROR, "%s: engine[%u]: "
@@ -202,7 +202,7 @@ static void aspeed_adc_engine_write(void *opaque, hwaddr 
addr, uint64_t value,
                           __func__, s->engine_id, reg - BOUNDS_CHANNEL_0);
             return;
         }
-        /* fallthrough */
+        fallthrough;
     case DATA_CHANNEL_1_AND_0 ... DATA_CHANNEL_7_AND_6:
     case BOUNDS_CHANNEL_0 ... BOUNDS_CHANNEL_7:
         value &= ASPEED_ADC_LH_MASK;
@@ -214,7 +214,7 @@ static void aspeed_adc_engine_write(void *opaque, hwaddr 
addr, uint64_t value,
                           __func__, s->engine_id, reg - HYSTERESIS_CHANNEL_0);
             return;
         }
-        /* fallthrough */
+        fallthrough;
     case HYSTERESIS_CHANNEL_0 ... HYSTERESIS_CHANNEL_7:
         value &= (ASPEED_ADC_HYST_EN | ASPEED_ADC_LH_MASK);
         break;
diff --git a/hw/adc/zynq-xadc.c b/hw/adc/zynq-xadc.c
index 032e19cbd0..a74de3a4fd 100644
--- a/hw/adc/zynq-xadc.c
+++ b/hw/adc/zynq-xadc.c
@@ -235,7 +235,7 @@ static void zynq_xadc_write(void *opaque, hwaddr offset, 
uint64_t val,
             break;
         case CMD_WRITE:
             s->xadc_regs[xadc_reg] = xadc_data;
-            /* fallthrough */
+            fallthrough;
         case CMD_NOP:
             xadc_push_dfifo(s, 0);
             break;
-- 
2.39.2