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authorYong Wu <yong.wu@mediatek.com>2021-01-11 19:18:55 +0800
committerWill Deacon <will@kernel.org>2021-02-01 11:31:17 +0000
commit2f317da4332a145be76ccd49d0a38803b499c39c (patch)
tree3512b2d4995b09f923eb554e6dc6370fb412f405 /drivers/scsi/mvsas
parentf3a8a46d714fd67b856f09e4c783363076ebac62 (diff)
iommu/mediatek: Add a flag for iova 34bits case
Add a HW flag for if the HW support 34bit IOVA. the previous SoC still use 32bit. normally the lvl1 pgtable size is 16KB when ias == 32. if ias == 34, lvl1 pgtable size is 16KB * 4. The purpose of this patch is to save 16KB*3 continuous memory for the previous SoC. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Link: https://lore.kernel.org/r/20210111111914.22211-15-yong.wu@mediatek.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/scsi/mvsas')
0 files changed, 0 insertions, 0 deletions