diff options
| author | Yong Wu <yong.wu@mediatek.com> | 2021-01-11 19:18:51 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-02-01 11:31:17 +0000 |
| commit | 40596d2f2b6075f6c33180b2f55c814ff4885475 (patch) | |
| tree | f4ec91672145ccdbfd0e7791e358c094bbe34226 /include/linux/io-pgtable.h | |
| parent | 859da21112520829638a82f458ac2c8c2637e17d (diff) | |
iommu/io-pgtable-arm-v7s: Extend PA34 for MediaTek
MediaTek extend the bit5 in lvl1 and lvl2 descriptor as PA34.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Link: https://lore.kernel.org/r/20210111111914.22211-11-yong.wu@mediatek.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'include/linux/io-pgtable.h')
| -rw-r--r-- | include/linux/io-pgtable.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 06753323a15e..d69234a4a65e 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -69,8 +69,8 @@ struct io_pgtable_cfg { * format, and/or requires some format-specific default value. * * IO_PGTABLE_QUIRK_ARM_MTK_EXT: (ARM v7s format) MediaTek IOMMUs extend - * to support up to 34 bits PA where the bit32 and bit33 are - * encoded in the bit9 and bit4 of the PTE respectively. + * to support up to 35 bits PA where the bit32, bit33 and bit34 are + * encoded in the bit9, bit4 and bit5 of the PTE respectively. * * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs * on unmap, for DMA domains using the flush queue mechanism for |