From 73d50811bc91d2a173213a78b6b43ac762f6cc54 Mon Sep 17 00:00:00 2001 From: Yong Wu Date: Sat, 24 Aug 2019 11:01:53 +0800 Subject: [PATCH] iommu/io-pgtable-arm-v7s: Rename the quirk from MTK_4GB to MTK_EXT In previous mt2712/mt8173, MediaTek extend the v7s to support 4GB dram. But in the latest mt8183, We extend it to support the PA up to 34bit. Then the "MTK_4GB" name is not so fit, This patch only change the quirk name to "MTK_EXT". Signed-off-by: Yong Wu Acked-by: Will Deacon Signed-off-by: Joerg Roedel --- drivers/iommu/io-pgtable-arm-v7s.c | 6 +++--- drivers/iommu/mtk_iommu.c | 2 +- include/linux/io-pgtable.h | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index fa1b38f4c271..77cc1eb1243b 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -315,7 +315,7 @@ static arm_v7s_iopte arm_v7s_prot_to_pte(int prot, int lvl, if (lvl == 1 && (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS)) pte |= ARM_V7S_ATTR_NS_SECTION; - if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_4GB) + if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_EXT) pte |= ARM_V7S_ATTR_MTK_4GB; return pte; @@ -737,12 +737,12 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS | IO_PGTABLE_QUIRK_NO_PERMS | IO_PGTABLE_QUIRK_TLBI_ON_MAP | - IO_PGTABLE_QUIRK_ARM_MTK_4GB | + IO_PGTABLE_QUIRK_ARM_MTK_EXT | IO_PGTABLE_QUIRK_NON_STRICT)) return NULL; /* If ARM_MTK_4GB is enabled, the NO_PERMS is also expected. */ - if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_4GB && + if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_EXT && !(cfg->quirks & IO_PGTABLE_QUIRK_NO_PERMS)) return NULL; diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 9ba270620767..62edce75c366 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -296,7 +296,7 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom) }; if (data->enable_4GB) - dom->cfg.quirks |= IO_PGTABLE_QUIRK_ARM_MTK_4GB; + dom->cfg.quirks |= IO_PGTABLE_QUIRK_ARM_MTK_EXT; dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data); if (!dom->iop) { diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index b5a450a3bb47..915fb7303aa3 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -65,7 +65,7 @@ struct io_pgtable_cfg { * (unmapped) entries but the hardware might do so anyway, perform * TLB maintenance when mapping as well as when unmapping. * - * IO_PGTABLE_QUIRK_ARM_MTK_4GB: (ARM v7s format) Set bit 9 in all + * IO_PGTABLE_QUIRK_ARM_MTK_EXT: (ARM v7s format) Set bit 9 in all * PTEs, for Mediatek IOMMUs which treat it as a 33rd address bit * when the SoC is in "4GB mode" and they can only access the high * remap of DRAM (0x1_00000000 to 0x1_ffffffff). @@ -77,7 +77,7 @@ struct io_pgtable_cfg { #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) - #define IO_PGTABLE_QUIRK_ARM_MTK_4GB BIT(3) + #define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3) #define IO_PGTABLE_QUIRK_NON_STRICT BIT(4) unsigned long quirks; unsigned long pgsize_bitmap; -- 2.30.2