[RFC PATCH v3 74/78] hw/cxl/cxl-device-utils.c: 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/cxl/cxl-device-utils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/cxl/cxl-device-utils.c b/hw/cxl/cxl-device-utils.c
index bd68328032..63f009847e 100644
--- a/hw/cxl/cxl-device-utils.c
+++ b/hw/cxl/cxl-device-utils.c
@@ -80,7 +80,7 @@ static void mailbox_mem_writel(uint32_t *reg_state, hwaddr 
offset,
 {
     switch (offset) {
     case A_CXL_DEV_MAILBOX_CTRL:
-        /* fallthrough */
+        fallthrough;
     case A_CXL_DEV_MAILBOX_CAP:
         /* RO register */
         break;
@@ -102,7 +102,7 @@ static void mailbox_mem_writeq(uint64_t *reg_state, hwaddr 
offset,
         break;
     case A_CXL_DEV_BG_CMD_STS:
         /* BG not supported */
-        /* fallthrough */
+        fallthrough;
     case A_CXL_DEV_MAILBOX_STS:
         /* Read only register, will get updated by the state machine */
         return;
-- 
2.39.2