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@@ -21,4 +21,21 @@ static inline unsigned long bus_to_phys(unsigned long bus)
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}
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#endif
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+#if CONFIG_IS_ENABLED(DM)
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+#include <dm/device.h>
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+
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+static inline dma_addr_t dev_phys_to_bus(struct udevice *dev, phys_addr_t phys)
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+{
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+ return phys - dev_get_dma_offset(dev);
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+}
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+
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+static inline phys_addr_t dev_bus_to_phys(struct udevice *dev, dma_addr_t bus)
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+{
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+ return bus + dev_get_dma_offset(dev);
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+}
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+#else
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+#define dev_phys_to_bus(_, _addr) _addr
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+#define dev_bus_to_phys(_, _addr) _addr
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+#endif
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+
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#endif
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