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Commit 48021b7b authored by Venkat Chinta's avatar Venkat Chinta Committed by Pavan Kumar Chilamkurthi
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msm: camera: smmu: set non-fatal fault attrib 



set non fatal fault attrib to iommu region to have
more debug information printed when smmu fault
happens.

Change-Id: Ia5edbee4f52eb5575205debb46c34c373af521ac
Signed-off-by: default avatarVenkat Chinta <vchinta@codeaurora.org>
parent 57c62991

drivers/media/platform/msm/camera/cam_smmu/cam_smmu_api.c

+11 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -140,6 +140,7 @@ struct cam_iommu_cb_set { 
	struct work_struct smmu_work;

	struct mutex payload_list_lock;

	struct list_head payload_list;

	u32 non_fatal_fault;

};



static const struct of_device_id msm_cam_smmu_dt_match[] = {
@@ -2902,6 +2903,15 @@ static int cam_smmu_setup_cb(struct cam_context_bank_info *cb, 
			rc = -ENODEV;

			goto end;

		}



		iommu_cb_set.non_fatal_fault = 1;

		if (iommu_domain_set_attr(cb->mapping->domain,

			DOMAIN_ATTR_NON_FATAL_FAULTS,

			&iommu_cb_set.non_fatal_fault) < 0) {

			CAM_ERR(CAM_SMMU,

				"Error: failed to set non fatal fault attribute");

		}



	} else {

		CAM_ERR(CAM_SMMU, "Context bank does not have IO region");

		rc = -ENODEV;