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Commit 480330c3 authored by Ramesh V's avatar Ramesh V
Browse files

msm: camera: smmu: get iommu mapping for context bank 



get iommu mapping for context bank of QSMMU and arm SMMU.

Change-Id: Ie569d2e57c1d27c378d723f4c39051e0647c69c2
Signed-off-by: default avatarRamesh V <ramev@codeaurora.org>
parent 8d93546f

drivers/media/platform/msm/camera_v2/common/cam_smmu_api.c

+8 −3
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/dma-attrs.h>

#include <linux/of_platform.h>

#include <linux/iommu.h>

#include <linux/qcom_iommu.h>

#include <linux/dma-mapping.h>

#include <linux/msm_dma_iommu_mapping.h>

#include "cam_smmu_api.h"
@@ -1510,9 +1511,13 @@ static int cam_populate_smmu_context_banks(struct device *dev, 
			cb->name, cb->is_secure, cb->scratch_buf_support);



	/* set up the iommu mapping for the  context bank */

	if (type == CAM_QSMMU) {

		ctx = msm_iommu_get_ctx(cb->name);

		CDBG("getting QSMMU ctx : %s\n", cb->name);

	} else {

		ctx = dev;

		CDBG("getting Arm SMMU ctx : %s\n", cb->name);



	}

	rc = cam_smmu_setup_cb(cb, ctx);

	if (rc < 0)

		pr_err("Error: failed to setup cb : %s\n", cb->name);