[PATCH 4/4] drm/msm/a6xx: Add a comment to acd_probe()

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It is not obvious why we can skip error checking of
dev_pm_opp_find_freq_exact() API. Add a comment explaining it.

Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index ea52374c9fcd481d816ed9608e9f6eb1c2e3005a..de8f7051402bf0fd931fc065b5c4c49e2bfd5dc7 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -1694,6 +1694,7 @@ static int a6xx_gmu_acd_probe(struct a6xx_gmu *gmu)
 		u32 val;
 
 		freq = gmu->gpu_freqs[i];
+		/* This is unlikely to fail because we are passing back a known freq */
 		opp = dev_pm_opp_find_freq_exact(&gpu->pdev->dev, freq, true);
 		np = dev_pm_opp_get_of_node(opp);
 

-- 
2.50.1





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