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Commit 3f127ee7 authored by Prakash Gupta's avatar Prakash Gupta
Browse files

iommu/arm-smmu: add qsmmuv2 sync timeout handler 



Add qsmmu2 sync timeout handler.

Change-Id: Iad36efddc2189e4fae644f24946ca592b34ca2d3
Signed-off-by: default avatarPrakash Gupta <guptap@codeaurora.org>
parent 423554d6

drivers/iommu/arm-smmu-qcom.c

+9 −0
Original line number Diff line number Diff line
@@ -192,6 +192,14 @@ static phys_addr_t qsmmuv2_iova_to_phys_hard( 
	return phys;

}



static void qsmmuv2_tlb_sync_timeout(struct arm_smmu_device *smmu)

{

	dev_err_ratelimited(smmu->dev,

			    "TLB sync timed out -- SMMU may be deadlocked\n");



	BUG_ON(IS_ENABLED(CONFIG_IOMMU_TLBSYNC_DEBUG));

}



static int qsmmuv2_device_reset(struct arm_smmu_device *smmu)

{

	struct qsmmuv2_archdata *data = to_qsmmuv2_archdata(smmu);
@@ -279,6 +287,7 @@ static int arm_smmu_parse_impl_def_registers(struct arm_smmu_device *smmu) 
static const struct arm_smmu_impl qsmmuv2_impl = {

	.init_context_bank = qsmmuv2_init_cb,

	.iova_to_phys_hard = qsmmuv2_iova_to_phys_hard,

	.tlb_sync_timeout = qsmmuv2_tlb_sync_timeout,

	.reset = qsmmuv2_device_reset,

};