diff options
Diffstat (limited to 'drivers/iommu/apple-dart.c')
| -rw-r--r-- | drivers/iommu/apple-dart.c | 33 |
1 files changed, 3 insertions, 30 deletions
diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index dbab37c6f8ae..4526575b999e 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -15,7 +15,6 @@ #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/dev_printk.h> -#include <linux/dma-iommu.h> #include <linux/dma-mapping.h> #include <linux/err.h> #include <linux/interrupt.h> @@ -33,6 +32,8 @@ #include <linux/swab.h> #include <linux/types.h> +#include "dma-iommu.h" + #define DART_MAX_STREAMS 16 #define DART_MAX_TTBR 4 #define MAX_DARTS_PER_DEVICE 2 @@ -827,27 +828,6 @@ static irqreturn_t apple_dart_irq(int irq, void *dev) return IRQ_HANDLED; } -static int apple_dart_set_bus_ops(const struct iommu_ops *ops) -{ - int ret; - - if (!iommu_present(&platform_bus_type)) { - ret = bus_set_iommu(&platform_bus_type, ops); - if (ret) - return ret; - } -#ifdef CONFIG_PCI - if (!iommu_present(&pci_bus_type)) { - ret = bus_set_iommu(&pci_bus_type, ops); - if (ret) { - bus_set_iommu(&platform_bus_type, NULL); - return ret; - } - } -#endif - return 0; -} - static int apple_dart_probe(struct platform_device *pdev) { int ret; @@ -903,14 +883,10 @@ static int apple_dart_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dart); - ret = apple_dart_set_bus_ops(&apple_dart_iommu_ops); - if (ret) - goto err_free_irq; - ret = iommu_device_sysfs_add(&dart->iommu, dev, NULL, "apple-dart.%s", dev_name(&pdev->dev)); if (ret) - goto err_remove_bus_ops; + goto err_free_irq; ret = iommu_device_register(&dart->iommu, &apple_dart_iommu_ops, dev); if (ret) @@ -924,8 +900,6 @@ static int apple_dart_probe(struct platform_device *pdev) err_sysfs_remove: iommu_device_sysfs_remove(&dart->iommu); -err_remove_bus_ops: - apple_dart_set_bus_ops(NULL); err_free_irq: free_irq(dart->irq, dart); err_clk_disable: @@ -940,7 +914,6 @@ static int apple_dart_remove(struct platform_device *pdev) apple_dart_hw_reset(dart); free_irq(dart->irq, dart); - apple_dart_set_bus_ops(NULL); iommu_device_unregister(&dart->iommu); iommu_device_sysfs_remove(&dart->iommu); |