nvgpu: gcc 7.3 warning fixes

gcc-7 warns about switch statements without a break statement unless a
comment is present to indicate a deliberate fall through. Add such a
comment to allow compilation with gcc-7.3.

Bug 2224634

Change-Id: I27feec62100983e211ffd430f013d30ca56909b9
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1769564
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/vbios/bios.c b/drivers/gpu/nvgpu/common/vbios/bios.c
index 01f9262c..de1b30e8 100644
--- a/drivers/gpu/nvgpu/common/vbios/bios.c
+++ b/drivers/gpu/nvgpu/common/vbios/bios.c
@@ -407,8 +407,10 @@ u32 nvgpu_bios_get_nvlink_config_data(struct gk20a *g)
         switch (config.hdr_size) {
         case NVLINK_CONFIG_DATA_HDR_12_SIZE:
                 g->nvlink.ac_coupling_mask = config.ac_coupling_mask;
+                /* Fall through */
         case NVLINK_CONFIG_DATA_HDR_11_SIZE:
                 g->nvlink.train_at_boot = config.train_at_boot;
+                /* Fall through */
         case NVLINK_CONFIG_DATA_HDR_10_SIZE:
                 g->nvlink.link_disable_mask = config.link_disable_mask;
                 g->nvlink.link_mode_mask = config.link_mode_mask;