diff options
Diffstat (limited to 'arch/powerpc/kernel/of_device.c')
-rw-r--r-- | arch/powerpc/kernel/of_device.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c deleted file mode 100644 index db91a9dbafb..00000000000 --- a/arch/powerpc/kernel/of_device.c +++ /dev/null @@ -1,84 +0,0 @@ -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mod_devicetable.h> -#include <linux/slab.h> -#include <linux/of_device.h> - -#include <asm/errno.h> -#include <asm/dcr.h> - -static void of_device_make_bus_id(struct of_device *dev) -{ - static atomic_t bus_no_reg_magic; - struct device_node *node = dev->dev.of_node; - const u32 *reg; - u64 addr; - int magic; - - /* - * If it's a DCR based device, use 'd' for native DCRs - * and 'D' for MMIO DCRs. - */ -#ifdef CONFIG_PPC_DCR - reg = of_get_property(node, "dcr-reg", NULL); - if (reg) { -#ifdef CONFIG_PPC_DCR_NATIVE - dev_set_name(&dev->dev, "d%x.%s", *reg, node->name); -#else /* CONFIG_PPC_DCR_NATIVE */ - addr = of_translate_dcr_address(node, *reg, NULL); - if (addr != OF_BAD_ADDR) { - dev_set_name(&dev->dev, "D%llx.%s", - (unsigned long long)addr, node->name); - return; - } -#endif /* !CONFIG_PPC_DCR_NATIVE */ - } -#endif /* CONFIG_PPC_DCR */ - - /* - * For MMIO, get the physical address - */ - reg = of_get_property(node, "reg", NULL); - if (reg) { - addr = of_translate_address(node, reg); - if (addr != OF_BAD_ADDR) { - dev_set_name(&dev->dev, "%llx.%s", - (unsigned long long)addr, node->name); - return; - } - } - - /* - * No BusID, use the node name and add a globally incremented - * counter (and pray...) - */ - magic = atomic_add_return(1, &bus_no_reg_magic); - dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1); -} - -struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent) -{ - struct of_device *dev; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) - return NULL; - - dev->dev.of_node = of_node_get(np); - dev->dev.dma_mask = &dev->archdata.dma_mask; - dev->dev.parent = parent; - dev->dev.release = of_release_dev; - - if (bus_id) - dev_set_name(&dev->dev, "%s", bus_id); - else - of_device_make_bus_id(dev); - - return dev; -} -EXPORT_SYMBOL(of_device_alloc); |