diff mbox series

[3/3] drm/etnaviv: Simplify clock enable/disable

Message ID 20200513150007.1315395-4-lkundrak@v3.sk (mailing list archive)
State New, archived
Headers show
Series [1/3] drm/etnaviv: Fix error path on failure to enable bus clk | expand

Commit Message

Lubomir Rintel May 13, 2020, 3 p.m. UTC 
All the NULL checks are pointless, clk_*() routines already deal with NULL
just fine.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 53 ++++++++++-----------------
 1 file changed, 19 insertions(+), 34 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index e7dbb924f576..f5b95cb4f058 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1487,55 +1487,40 @@  static int etnaviv_gpu_clk_enable(struct etnaviv_gpu *gpu)
 {
 	int ret;
 
-	if (gpu->clk_reg) {
-		ret = clk_prepare_enable(gpu->clk_reg);
-		if (ret)
-			return ret;
-	}
+	ret = clk_prepare_enable(gpu->clk_reg);
+	if (ret)
+		return ret;
 
-	if (gpu->clk_bus) {
-		ret = clk_prepare_enable(gpu->clk_bus);
-		if (ret)
-			goto disable_clk_reg;
-	}
+	ret = clk_prepare_enable(gpu->clk_bus);
+	if (ret)
+		goto disable_clk_reg;
 
-	if (gpu->clk_core) {
-		ret = clk_prepare_enable(gpu->clk_core);
-		if (ret)
-			goto disable_clk_bus;
-	}
+	ret = clk_prepare_enable(gpu->clk_core);
+	if (ret)
+		goto disable_clk_bus;
 
-	if (gpu->clk_shader) {
-		ret = clk_prepare_enable(gpu->clk_shader);
-		if (ret)
-			goto disable_clk_core;
-	}
+	ret = clk_prepare_enable(gpu->clk_shader);
+	if (ret)
+		goto disable_clk_core;
 
 	return 0;
 
 disable_clk_core:
-	if (gpu->clk_core)
-		clk_disable_unprepare(gpu->clk_core);
+	clk_disable_unprepare(gpu->clk_core);
 disable_clk_bus:
-	if (gpu->clk_bus)
-		clk_disable_unprepare(gpu->clk_bus);
+	clk_disable_unprepare(gpu->clk_bus);
 disable_clk_reg:
-	if (gpu->clk_reg)
-		clk_disable_unprepare(gpu->clk_reg);
+	clk_disable_unprepare(gpu->clk_reg);
 
 	return ret;
 }
 
 static int etnaviv_gpu_clk_disable(struct etnaviv_gpu *gpu)
 {
-	if (gpu->clk_shader)
-		clk_disable_unprepare(gpu->clk_shader);
-	if (gpu->clk_core)
-		clk_disable_unprepare(gpu->clk_core);
-	if (gpu->clk_bus)
-		clk_disable_unprepare(gpu->clk_bus);
-	if (gpu->clk_reg)
-		clk_disable_unprepare(gpu->clk_reg);
+	clk_disable_unprepare(gpu->clk_shader);
+	clk_disable_unprepare(gpu->clk_core);
+	clk_disable_unprepare(gpu->clk_bus);
+	clk_disable_unprepare(gpu->clk_reg);
 
 	return 0;
 }