diff options
author | Christoph Hellwig <hch@lst.de> | 2021-04-01 17:52:47 +0200 |
---|---|---|
committer | Joerg Roedel <jroedel@suse.de> | 2021-04-07 10:56:52 +0200 |
commit | fd78696ece54a83c8fc4f6ff1c959b7bcf25c410 (patch) | |
tree | f7dc1249e31e8cf3c02d610ab24c45de7afe7bf4 /drivers | |
parent | iommu/fsl_pamu: enable the liodn when attaching a device (diff) | |
download | linux-fd78696ece54a83c8fc4f6ff1c959b7bcf25c410.tar.xz linux-fd78696ece54a83c8fc4f6ff1c959b7bcf25c410.zip |
iommu/fsl_pamu: remove the snoop_id field
The snoop_id is always set to ~(u32)0.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20210401155256.298656-12-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/iommu/fsl_pamu_domain.c | 5 | ||||
-rw-r--r-- | 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; }; |