diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0006-soc-fsl-bqman-page-align-iommu-mapping-sizes.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0006-soc-fsl-bqman-page-align-iommu-mapping-sizes.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0006-soc-fsl-bqman-page-align-iommu-mapping-sizes.patch b/target/linux/layerscape/patches-5.4/701-net-0006-soc-fsl-bqman-page-align-iommu-mapping-sizes.patch new file mode 100644 index 0000000000..8e10ef1358 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0006-soc-fsl-bqman-page-align-iommu-mapping-sizes.patch @@ -0,0 +1,58 @@ +From 218274ea02e908846fabb5b9a2ab7409da06a85f Mon Sep 17 00:00:00 2001 +From: Laurentiu Tudor <laurentiu.tudor@nxp.com> +Date: Thu, 22 Nov 2018 12:32:13 +0200 +Subject: [PATCH] soc/fsl/bqman: page align iommu mapping sizes + +Prior to calling iommu_map()/iommu_unmap() page align the size or +failures such as below could happen: + +iommu: unaligned: iova 0x... pa 0x... size 0x4000 min_pagesz 0x10000 +qman_portal 500000000.qman-portal: failed to iommu_map() -22 + +Seen when booted a kernel compiled with 64K page size support. + +Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> +--- + drivers/soc/fsl/qbman/bman_ccsr.c | 2 +- + drivers/soc/fsl/qbman/qman_ccsr.c | 4 ++-- + drivers/soc/fsl/qbman/qman_portal.c | 2 +- + 3 files changed, 4 insertions(+), 4 deletions(-) + +--- a/drivers/soc/fsl/qbman/bman_ccsr.c ++++ b/drivers/soc/fsl/qbman/bman_ccsr.c +@@ -262,7 +262,7 @@ static int fsl_bman_probe(struct platfor + /* Create an 1-to-1 iommu mapping for FBPR area */ + domain = iommu_get_domain_for_dev(dev); + if (domain) { +- ret = iommu_map(domain, fbpr_a, fbpr_a, fbpr_sz, ++ ret = iommu_map(domain, fbpr_a, fbpr_a, PAGE_ALIGN(fbpr_sz), + IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); + if (ret) + dev_warn(dev, "failed to iommu_map() %d\n", ret); +--- a/drivers/soc/fsl/qbman/qman_ccsr.c ++++ b/drivers/soc/fsl/qbman/qman_ccsr.c +@@ -839,11 +839,11 @@ static int fsl_qman_probe(struct platfor + /* Create an 1-to-1 iommu mapping for fqd and pfdr areas */ + domain = iommu_get_domain_for_dev(dev); + if (domain) { +- ret = iommu_map(domain, fqd_a, fqd_a, fqd_sz, ++ ret = iommu_map(domain, fqd_a, fqd_a, PAGE_ALIGN(fqd_sz), + IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); + if (ret) + dev_warn(dev, "iommu_map(fqd) failed %d\n", ret); +- ret = iommu_map(domain, pfdr_a, pfdr_a, pfdr_sz, ++ ret = iommu_map(domain, pfdr_a, pfdr_a, PAGE_ALIGN(pfdr_sz), + IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); + if (ret) + dev_warn(dev, "iommu_map(pfdr) failed %d\n", ret); +--- a/drivers/soc/fsl/qbman/qman_portal.c ++++ b/drivers/soc/fsl/qbman/qman_portal.c +@@ -305,7 +305,7 @@ static int qman_portal_probe(struct plat + */ + err = iommu_map(domain, + addr_phys[0]->start, addr_phys[0]->start, +- resource_size(addr_phys[0]), ++ PAGE_ALIGN(resource_size(addr_phys[0])), + IOMMU_READ | IOMMU_WRITE | IOMMU_CACHE); + if (err) + dev_warn(dev, "failed to iommu_map() %d\n", err); |