[PATCH v2] drm/msm/adreno: fix sparse warnings in a6xx code

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon Apr 10 22:40:34 UTC 2023


Sparse reports plenty of warnings against the a6xx code because of
a6xx_gmu::mmio and a6xx_gmu::rscc members. For some reason they were
defined as __iomem pointers rather than pointers to __iomem memory.
Correct the __iomem attribute.

Fixes: 02ef80c54e7c ("drm/msm/a6xx: update pdc/rscc GMU registers for A640/A650")
Reported-by: kernel test robot <lkp at intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202304070550.NrbhJCvP-lkp@intel.com/
Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>
Reviewed-by: Stephen Boyd <swboyd at chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---

Changes since v1: removed whispace after the star (Stephen)

---
 drivers/gpu/drm/msm/adreno/a6xx_gmu.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index 0bc3eb443fec..4759a8ce51e4 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
@@ -51,8 +51,8 @@ struct a6xx_gmu {
 
 	struct msm_gem_address_space *aspace;
 
-	void * __iomem mmio;
-	void * __iomem rscc;
+	void __iomem *mmio;
+	void __iomem *rscc;
 
 	int hfi_irq;
 	int gmu_irq;
-- 
2.30.2



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