diff options
Diffstat (limited to 'drivers/iommu/qcom_iommu.c')
| -rw-r--r-- | drivers/iommu/qcom_iommu.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c index 3608f58f1ea8..c31e7bc4ccbe 100644 --- a/drivers/iommu/qcom_iommu.c +++ b/drivers/iommu/qcom_iommu.c @@ -7,6 +7,7 @@ */ #include <linux/atomic.h> +#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/dma-iommu.h> @@ -32,7 +33,7 @@ #include <linux/slab.h> #include <linux/spinlock.h> -#include "arm-smmu-regs.h" +#include "arm-smmu.h" #define SMMU_INTR_SEL_NS 0x2000 @@ -155,7 +156,7 @@ static void qcom_iommu_tlb_inv_range_nosync(unsigned long iova, size_t size, struct qcom_iommu_ctx *ctx = to_ctx(fwspec, fwspec->ids[i]); size_t s = size; - iova &= ~12UL; + iova = (iova >> 12) << 12; iova |= ctx->asid; do { iommu_writel(ctx, reg, iova); @@ -269,16 +270,16 @@ static int qcom_iommu_init_domain(struct iommu_domain *domain, /* TTBRs */ iommu_writeq(ctx, ARM_SMMU_CB_TTBR0, pgtbl_cfg.arm_lpae_s1_cfg.ttbr[0] | - ((u64)ctx->asid << TTBRn_ASID_SHIFT)); + FIELD_PREP(TTBRn_ASID, ctx->asid)); iommu_writeq(ctx, ARM_SMMU_CB_TTBR1, pgtbl_cfg.arm_lpae_s1_cfg.ttbr[1] | - ((u64)ctx->asid << TTBRn_ASID_SHIFT)); + FIELD_PREP(TTBRn_ASID, ctx->asid)); - /* TTBCR */ - iommu_writel(ctx, ARM_SMMU_CB_TTBCR2, + /* TCR */ + iommu_writel(ctx, ARM_SMMU_CB_TCR2, (pgtbl_cfg.arm_lpae_s1_cfg.tcr >> 32) | - TTBCR2_SEP_UPSTREAM); - iommu_writel(ctx, ARM_SMMU_CB_TTBCR, + FIELD_PREP(TCR2_SEP, TCR2_SEP_UPSTREAM)); + iommu_writel(ctx, ARM_SMMU_CB_TCR, pgtbl_cfg.arm_lpae_s1_cfg.tcr); /* MAIRs (stage-1 only) */ @@ -801,7 +802,7 @@ static int qcom_iommu_device_probe(struct platform_device *pdev) struct qcom_iommu_dev *qcom_iommu; struct device *dev = &pdev->dev; struct resource *res; - int ret, sz, max_asid = 0; + int ret, max_asid = 0; /* find the max asid (which is 1:1 to ctx bank idx), so we know how * many child ctx devices we have: @@ -809,9 +810,8 @@ static int qcom_iommu_device_probe(struct platform_device *pdev) for_each_child_of_node(dev->of_node, child) max_asid = max(max_asid, get_asid(child)); - sz = sizeof(*qcom_iommu) + (max_asid * sizeof(qcom_iommu->ctxs[0])); - - qcom_iommu = devm_kzalloc(dev, sz, GFP_KERNEL); + qcom_iommu = devm_kzalloc(dev, struct_size(qcom_iommu, ctxs, max_asid), + GFP_KERNEL); if (!qcom_iommu) return -ENOMEM; qcom_iommu->num_ctxs = max_asid; |