diff mbox series

[1/1] iommu/arm-smmu-v3: add bit field SFM into GERROR_ERR_MASK

Message ID 20210324081603.1074-1-thunder.leizhen@huawei.com (mailing list archive)
State New, archived
Headers show
Series [1/1] iommu/arm-smmu-v3: add bit field SFM into GERROR_ERR_MASK | expand

Commit Message

Leizhen (ThunderTown) March 24, 2021, 8:16 a.m. UTC
In arm_smmu_gerror_handler(), the value of the SMMU_GERROR register is
filtered by GERROR_ERR_MASK. However, the GERROR_ERR_MASK does not contain
the SFM bit. As a result, the subsequent error processing is not performed
when only the SFM error occurs.

Fixes: 48ec83bcbcf5 ("iommu/arm-smmu: Add initial driver support for ARM SMMUv3 devices")
Reported-by: Rui Zhu <zhurui3@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Will Deacon March 25, 2021, 6:09 p.m. UTC | #1
On Wed, 24 Mar 2021 16:16:03 +0800, Zhen Lei wrote:
> In arm_smmu_gerror_handler(), the value of the SMMU_GERROR register is
> filtered by GERROR_ERR_MASK. However, the GERROR_ERR_MASK does not contain
> the SFM bit. As a result, the subsequent error processing is not performed
> when only the SFM error occurs.

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/arm-smmu-v3: add bit field SFM into GERROR_ERR_MASK
      https://git.kernel.org/will/c/655c447c97d7

Cheers,
diff mbox series

Patch

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
index f985817c967a257..230b6f6b39016cd 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
@@ -115,7 +115,7 @@ 
 #define GERROR_PRIQ_ABT_ERR		(1 << 3)
 #define GERROR_EVTQ_ABT_ERR		(1 << 2)
 #define GERROR_CMDQ_ERR			(1 << 0)
-#define GERROR_ERR_MASK			0xfd
+#define GERROR_ERR_MASK			0x1fd
 
 #define ARM_SMMU_GERRORN		0x64