3 files changed, 8 insertions, 8 deletions

diff --git a/drivers/gpu/nvgpu/gp106/clk_gp106.c b/drivers/gpu/nvgpu/gp106/clk_gp106.c
index 13a401f0..e892ceda 100644
--- a/drivers/gpu/nvgpu/gp106/clk_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/clk_gp106.c
@@ -188,7 +188,7 @@ u32 gp106_get_rate_cntr(struct gk20a *g, struct namemap_cfg *c)
                                  trim_gpc_bcast_clk_cntr_ncgpcclk_cfg_enable_deasserted_f());
 
         /* Force wb() */
-        gk20a_readl(g, c->cntr.reg_ctrl_addr);
+        (void) gk20a_readl(g, c->cntr.reg_ctrl_addr);
 
         /* Wait for reset to happen */
         retries = CLK_DEFAULT_CNTRL_SETTLE_RETRIES;
@@ -209,7 +209,7 @@ u32 gp106_get_rate_cntr(struct gk20a *g, struct namemap_cfg *c)
                                         trim_gpc_bcast_clk_cntr_ncgpcclk_cfg_write_en_asserted_f()         |
                                         trim_gpc_bcast_clk_cntr_ncgpcclk_cfg_noofipclks_f(XTAL_CNTR_CLKS)  |
                                         c->cntr.reg_ctrl_idx);
-        gk20a_readl(g, c->cntr.reg_ctrl_addr);
+        (void) gk20a_readl(g, c->cntr.reg_ctrl_addr);
 
         nvgpu_udelay(XTAL_CNTR_DELAY);
 
@@ -220,9 +220,9 @@ read_err:
         gk20a_writel(g, c->cntr.reg_ctrl_addr,
                                  trim_gpc_bcast_clk_cntr_ncgpcclk_cfg_reset_asserted_f() |
                                  trim_gpc_bcast_clk_cntr_ncgpcclk_cfg_enable_deasserted_f());
-        gk20a_readl(g, c->cntr.reg_ctrl_addr);
+        (void) gk20a_readl(g, c->cntr.reg_ctrl_addr);
         gk20a_writel(g, c->cntr.reg_ctrl_addr, save_reg);
-        gk20a_readl(g, c->cntr.reg_ctrl_addr);
+        (void) gk20a_readl(g, c->cntr.reg_ctrl_addr);
         nvgpu_mutex_release(&clk->clk_mutex);
 
         return cntr;
diff --git a/drivers/gpu/nvgpu/gp106/mclk_gp106.c b/drivers/gpu/nvgpu/gp106/mclk_gp106.c
index 36092a1a..6a49e83b 100644
--- a/drivers/gpu/nvgpu/gp106/mclk_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/mclk_gp106.c
@@ -3371,8 +3371,8 @@ int gp106_mclk_change(struct gk20a *g, u16 val)
         if (speed == GP106_MCLK_HIGH_SPEED) {
                 gk20a_writel(g, 0x132000, 0x98010000);
                 /* Introduce delay */
-                gk20a_readl(g, 0x132000);
-                gk20a_readl(g, 0x132000);
+                (void) gk20a_readl(g, 0x132000);
+                (void) gk20a_readl(g, 0x132000);
         }
 
         gk20a_writel(g, 0x137300, 0x20000103);
diff --git a/drivers/gpu/nvgpu/gp106/pmu_gp106.c b/drivers/gpu/nvgpu/gp106/pmu_gp106.c
index 963668c4..031ac7d8 100644
--- a/drivers/gpu/nvgpu/gp106/pmu_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/pmu_gp106.c
@@ -71,11 +71,11 @@ int gp106_pmu_engine_reset(struct gk20a *g, bool do_reset)
         if (do_reset) {
                 gk20a_writel(g, pwr_falcon_engine_r(),
                         pwr_falcon_engine_reset_false_f());
-                gk20a_readl(g, pwr_falcon_engine_r());
+                (void) gk20a_readl(g, pwr_falcon_engine_r());
         } else {
                 gk20a_writel(g, pwr_falcon_engine_r(),
                         pwr_falcon_engine_reset_true_f());
-                gk20a_readl(g, pwr_falcon_engine_r());
+                (void) gk20a_readl(g, pwr_falcon_engine_r());
         }
 
         return 0;