gpu: nvgpu: gm20b: Fix MISRA 15.6 violations

MISRA Rule-15.6 requires that all if-else blocks be enclosed in braces,
including single statement blocks. Fix errors due to single statement
if blocks without braces, introducing the braces.

JIRA NVGPU-671

Change-Id: I1651ae8ee680bdeb48606569c4e8c2fc7cb87f20
Signed-off-by: Srirangan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1805077
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
index 53bec96f..286a1979 100644
--- a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
@@ -131,8 +131,9 @@ static void pmu_handle_acr_init_wpr_msg(struct gk20a *g, struct pmu_msg *msg,
 
         gm20b_dbg_pmu(g, "reply PMU_ACR_CMD_ID_INIT_WPR_REGION");
 
-        if (msg->msg.acr.acrmsg.errorcode == PMU_ACR_SUCCESS)
+        if (msg->msg.acr.acrmsg.errorcode == PMU_ACR_SUCCESS) {
                 g->pmu_lsf_pmu_wpr_init_done = 1;
+        }
         nvgpu_log_fn(g, "done");
 }
 
@@ -189,8 +190,9 @@ static int pmu_gm20b_ctx_wait_lsf_ready(struct gk20a *g, u32 timeout_ms,
 
         do {
                 reg = gk20a_readl(g, gr_fecs_ctxsw_mailbox_r(0));
-                if (reg == val)
+                if (reg == val) {
                         return 0;
+                }
                 nvgpu_udelay(delay);
         } while (!nvgpu_timeout_expired(&timeout));
 
@@ -233,8 +235,9 @@ int gm20b_load_falcon_ucode(struct gk20a *g, u32 falconidmask)
         unsigned long timeout = gk20a_get_gr_idle_timeout(g);
 
         /* GM20B PMU supports loading FECS only */
-        if (!(falconidmask == (1 << LSF_FALCON_ID_FECS)))
+        if (!(falconidmask == (1 << LSF_FALCON_ID_FECS))) {
                 return -EINVAL;
+        }
         /* check whether pmu is ready to bootstrap lsf if not wait for it */
         if (!g->pmu_lsf_pmu_wpr_init_done) {
                 pmu_wait_message_cond(&g->pmu,