diff options
| author | Rob Clark <robdclark@chromium.org> | 2020-11-29 11:00:49 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2020-11-29 11:01:05 -0800 |
| commit | 9e0673c00cb0839fbe64e4ee4dbf150fd28483eb (patch) | |
| tree | e3040a2f1d5e1579af306622e122266e226e00b4 /drivers | |
| parent | 64aec620b7f20cd925ef4641731539f946f5c011 (diff) | |
| parent | e67890c97944b9962cf8c140a7f8077ed643b7d7 (diff) | |
| download | linux-9e0673c00cb0839fbe64e4ee4dbf150fd28483eb.tar.gz | |
Merge remote-tracking branch 'arm64/for-next/iommu/io-pgtable-domain-attr' into msm-next-staging
Pull in new iommu domain attr.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/io-pgtable-arm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index a7a9bc08dcd1..7c9ea9d7874a 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -761,7 +761,8 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie) if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS | IO_PGTABLE_QUIRK_NON_STRICT | - IO_PGTABLE_QUIRK_ARM_TTBR1)) + IO_PGTABLE_QUIRK_ARM_TTBR1 | + IO_PGTABLE_QUIRK_ARM_OUTER_WBWA)) return NULL; data = arm_lpae_alloc_pgtable(cfg); @@ -773,10 +774,15 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie) tcr->sh = ARM_LPAE_TCR_SH_IS; tcr->irgn = ARM_LPAE_TCR_RGN_WBWA; tcr->orgn = ARM_LPAE_TCR_RGN_WBWA; + if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_OUTER_WBWA) + goto out_free_data; } else { tcr->sh = ARM_LPAE_TCR_SH_OS; tcr->irgn = ARM_LPAE_TCR_RGN_NC; - tcr->orgn = ARM_LPAE_TCR_RGN_NC; + if (!(cfg->quirks & IO_PGTABLE_QUIRK_ARM_OUTER_WBWA)) + tcr->orgn = ARM_LPAE_TCR_RGN_NC; + else + tcr->orgn = ARM_LPAE_TCR_RGN_WBWA; } tg1 = cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1; |