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authorChristoph Hellwig <hch@lst.de>2021-04-01 17:52:41 +0200
committerJoerg Roedel <jroedel@suse.de>2021-04-07 10:56:52 +0200
commitba58d1216e2b2d2320b50591b767f50b13c623a8 (patch)
treee807c30e7ba0e3e6ae327e30198ef51871f4d358 /drivers/soc
parentc8224508074e7d13fc31e8ca3d24e4f159983cb3 (diff)
downloadlinux-ba58d1216e2b2d2320b50591b767f50b13c623a8.tar.gz
iommu/fsl_pamu: remove support for multiple windows
The only domains allocated forces use of a single window.  Remove all
the code related to multiple window support, as well as the need for
qman_portal to force a single window.

Remove the now unused DOMAIN_ATTR_WINDOWS iommu_attr.

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/20210401155256.298656-6-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/fsl/qbman/qman_portal.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index c958e6310d30..3d56ec4b373b 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -55,13 +55,6 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int cpu)
 		dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__);
 		goto no_iommu;
 	}
-	ret = iommu_domain_set_attr(pcfg->iommu_domain, DOMAIN_ATTR_WINDOWS,
-				    &window_count);
-	if (ret < 0) {
-		dev_err(dev, "%s(): iommu_domain_set_attr() = %d", __func__,
-			ret);
-		goto out_domain_free;
-	}
 	stash_attr.cpu = cpu;
 	stash_attr.cache = PAMU_ATTR_CACHE_L1;
 	ret = iommu_domain_set_attr(pcfg->iommu_domain,