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@@ -43,7 +43,7 @@ struct udevice *pci_get_controller(struct udevice *dev)
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return dev;
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}
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-pci_dev_t dm_pci_get_bdf(struct udevice *dev)
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+pci_dev_t dm_pci_get_bdf(const struct udevice *dev)
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{
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struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
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struct udevice *bus = dev->parent;
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@@ -349,7 +349,7 @@ int dm_pci_write_config32(struct udevice *dev, int offset, u32 value)
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return dm_pci_write_config(dev, offset, value, PCI_SIZE_32);
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}
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-int pci_bus_read_config(struct udevice *bus, pci_dev_t bdf, int offset,
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+int pci_bus_read_config(const struct udevice *bus, pci_dev_t bdf, int offset,
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unsigned long *valuep, enum pci_size_t size)
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{
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struct dm_pci_ops *ops;
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@@ -373,10 +373,10 @@ int pci_read_config(pci_dev_t bdf, int offset, unsigned long *valuep,
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return pci_bus_read_config(bus, bdf, offset, valuep, size);
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}
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-int dm_pci_read_config(struct udevice *dev, int offset, unsigned long *valuep,
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- enum pci_size_t size)
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+int dm_pci_read_config(const struct udevice *dev, int offset,
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+ unsigned long *valuep, enum pci_size_t size)
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{
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- struct udevice *bus;
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+ const struct udevice *bus;
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for (bus = dev; device_is_on_pci_bus(bus);)
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bus = bus->parent;
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@@ -423,7 +423,7 @@ int pci_read_config8(pci_dev_t bdf, int offset, u8 *valuep)
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return 0;
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}
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-int dm_pci_read_config8(struct udevice *dev, int offset, u8 *valuep)
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+int dm_pci_read_config8(const struct udevice *dev, int offset, u8 *valuep)
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{
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unsigned long value;
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int ret;
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@@ -436,7 +436,7 @@ int dm_pci_read_config8(struct udevice *dev, int offset, u8 *valuep)
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return 0;
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}
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-int dm_pci_read_config16(struct udevice *dev, int offset, u16 *valuep)
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+int dm_pci_read_config16(const struct udevice *dev, int offset, u16 *valuep)
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{
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unsigned long value;
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int ret;
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@@ -449,7 +449,7 @@ int dm_pci_read_config16(struct udevice *dev, int offset, u16 *valuep)
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return 0;
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}
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-int dm_pci_read_config32(struct udevice *dev, int offset, u32 *valuep)
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+int dm_pci_read_config32(const struct udevice *dev, int offset, u32 *valuep)
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{
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unsigned long value;
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int ret;
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@@ -1203,7 +1203,7 @@ int pci_get_regions(struct udevice *dev, struct pci_region **iop,
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return (*iop != NULL) + (*memp != NULL) + (*prefp != NULL);
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}
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-u32 dm_pci_read_bar32(struct udevice *dev, int barnum)
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+u32 dm_pci_read_bar32(const struct udevice *dev, int barnum)
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{
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u32 addr;
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int bar;
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