[PATCH 2/3] drm/etnaviv: Don't ignore errors on getting clocks

[Lubomir Rintel]

There might be good reasons why the getting a clock failed. To treat the
clocks as optional we're specifically only interested in ignoring -ENOENT,
and devm_clk_get_optional() does just that.

Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index c6dacfe3d321..e7dbb924f576 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1786,26 +1786,26 @@ static int etnaviv_gpu_platform_probe(struct 
platform_device *pdev)
        }
 
        /* Get Clocks: */
-       gpu->clk_reg = devm_clk_get(&pdev->dev, "reg");
+       gpu->clk_reg = devm_clk_get_optional(&pdev->dev, "reg");
        DBG("clk_reg: %p", gpu->clk_reg);
        if (IS_ERR(gpu->clk_reg))
-               gpu->clk_reg = NULL;
+               return err;
 
-       gpu->clk_bus = devm_clk_get(&pdev->dev, "bus");
+       gpu->clk_bus = devm_clk_get_optional(&pdev->dev, "bus");
        DBG("clk_bus: %p", gpu->clk_bus);
        if (IS_ERR(gpu->clk_bus))
-               gpu->clk_bus = NULL;
+               return err;
 
-       gpu->clk_core = devm_clk_get(&pdev->dev, "core");
+       gpu->clk_core = devm_clk_get_optional(&pdev->dev, "core");
        DBG("clk_core: %p", gpu->clk_core);
        if (IS_ERR(gpu->clk_core))
-               gpu->clk_core = NULL;
+               return err;
        gpu->base_rate_core = clk_get_rate(gpu->clk_core);
 
-       gpu->clk_shader = devm_clk_get(&pdev->dev, "shader");
+       gpu->clk_shader = devm_clk_get_optional(&pdev->dev, "shader");
        DBG("clk_shader: %p", gpu->clk_shader);
        if (IS_ERR(gpu->clk_shader))
-               gpu->clk_shader = NULL;
+               return err;
        gpu->base_rate_shader = clk_get_rate(gpu->clk_shader);
 
        /* TODO: figure out max mapped size */
-- 
2.26.2