From fd78696ece54a83c8fc4f6ff1c959b7bcf25c410 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 1 Apr 2021 17:52:47 +0200 Subject: [PATCH] iommu/fsl_pamu: remove the snoop_id field The snoop_id is always set to ~(u32)0. Signed-off-by: Christoph Hellwig Acked-by: Will Deacon Acked-by: Li Yang Link: https://lore.kernel.org/r/20210401155256.298656-12-hch@lst.de Signed-off-by: Joerg Roedel --- 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 c2e7e17570e7..e9c1e0dd68f0 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 5f4ed253f61b..95ac1b3cab3b 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; };