[PATCH 11/18] iommu/fsl_pamu: remove the snoop_id field

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The snoop_id is always set to ~(u32)0.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Li Yang <leoyang.li@xxxxxxx>
---
 drivers/iommu/fsl_pamu_domain.c | 5 ++---
 drivers/iommu/fsl_pamu_domain.h | 1 -
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 21c6d9e79eddf9..701fc3f187a100 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -97,12 +97,12 @@ static int pamu_set_liodn(struct fsl_dma_domain *dma_domain, struct device *dev,
 		goto out_unlock;
 	ret = pamu_config_ppaace(liodn, geom->aperture_start,
 				 geom->aperture_end - 1, omi_index, 0,
-				 dma_domain->snoop_id, dma_domain->stash_id, 0);
+				 ~(u32)0, dma_domain->stash_id, 0);
 	if (ret)
 		goto out_unlock;
 	ret = pamu_config_ppaace(liodn, geom->aperture_start,
 				 geom->aperture_end - 1, ~(u32)0,
-				 0, dma_domain->snoop_id, dma_domain->stash_id,
+				 0, ~(u32)0, dma_domain->stash_id,
 				 PAACE_AP_PERMS_QUERY | PAACE_AP_PERMS_UPDATE);
 out_unlock:
 	spin_unlock_irqrestore(&iommu_lock, flags);
@@ -210,7 +210,6 @@ static struct iommu_domain *fsl_pamu_domain_alloc(unsigned type)
 		return NULL;
 
 	dma_domain->stash_id = ~(u32)0;
-	dma_domain->snoop_id = ~(u32)0;
 	INIT_LIST_HEAD(&dma_domain->devices);
 	spin_lock_init(&dma_domain->domain_lock);
 
diff --git a/drivers/iommu/fsl_pamu_domain.h b/drivers/iommu/fsl_pamu_domain.h
index 5f4ed253f61b31..95ac1b3cab3b69 100644
--- a/drivers/iommu/fsl_pamu_domain.h
+++ b/drivers/iommu/fsl_pamu_domain.h
@@ -13,7 +13,6 @@ struct fsl_dma_domain {
 	/* list of devices associated with the domain */
 	struct list_head		devices;
 	u32				stash_id;
-	u32				snoop_id;
 	struct iommu_domain		iommu_domain;
 	spinlock_t			domain_lock;
 };
-- 
2.30.1




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