From 40596d2f2b6075f6c33180b2f55c814ff4885475 Mon Sep 17 00:00:00 2001 From: Yong Wu Date: Mon, 11 Jan 2021 19:18:51 +0800 Subject: 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 Acked-by: Will Deacon Reviewed-by: Robin Murphy Reviewed-by: Tomasz Figa Link: https://lore.kernel.org/r/20210111111914.22211-11-yong.wu@mediatek.com Signed-off-by: Will Deacon --- include/linux/io-pgtable.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/linux') 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 -- cgit v1.2.3