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path: root/drivers/iommu/mtk_iommu.c
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Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index b5a40a4b40c5..4df3cb430b43 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -633,9 +633,11 @@ static int mtk_iommu_probe(struct platform_device *pdev)
if (data->irq < 0)
return data->irq;
- data->bclk = devm_clk_get(dev, "bclk");
- if (IS_ERR(data->bclk))
- return PTR_ERR(data->bclk);
+ if (data->plat_data->has_bclk) {
+ data->bclk = devm_clk_get(dev, "bclk");
+ if (IS_ERR(data->bclk))
+ return PTR_ERR(data->bclk);
+ }
larb_nr = of_count_phandle_with_args(dev->of_node,
"mediatek,larbs", NULL);
@@ -763,11 +765,13 @@ static const struct dev_pm_ops mtk_iommu_pm_ops = {
static const struct mtk_iommu_plat_data mt2712_data = {
.m4u_plat = M4U_MT2712,
.has_4gb_mode = true,
+ .has_bclk = true,
};
static const struct mtk_iommu_plat_data mt8173_data = {
.m4u_plat = M4U_MT8173,
.has_4gb_mode = true,
+ .has_bclk = true,
};
static const struct of_device_id mtk_iommu_of_ids[] = {