of: Merge of_device_alloc() and of_device_make_bus_id()

This patch merges the common routines of_device_alloc() and
of_device_make_bus_id() from powerpc and microblaze.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
CC: Michal Simek <monstr@monstr.eu>
CC: Grant Likely <grant.likely@secretlab.ca>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: microblaze-uclinux@itee.uq.edu.au
CC: linuxppc-dev@ozlabs.org
CC: devicetree-discuss@lists.ozlabs.org

6 files changed, 2 insertions, 175 deletions

diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h
index c9be53487434..47e8d42aee8f 100644
--- a/arch/microblaze/include/asm/of_device.h
+++ b/arch/microblaze/include/asm/of_device.h
@@ -10,19 +10,4 @@
 
 #ifndef _ASM_MICROBLAZE_OF_DEVICE_H
 #define _ASM_MICROBLAZE_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-
-extern struct of_device *of_device_alloc(struct device_node *np,
-					 const char *bus_id,
-					 struct device *parent);
-
-extern void of_device_make_bus_id(struct of_device *dev);
-
-/* This is just here during the transition */
-#include <linux/of_device.h>
-
-#endif /* __KERNEL__ */
 #endif /* _ASM_MICROBLAZE_OF_DEVICE_H */
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index e51bc1520825..727e2cbff9c6 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -15,7 +15,7 @@ endif
 extra-y := head.o vmlinux.lds
 
 obj-y += dma.o exceptions.o \
-	hw_exception_handler.o init_task.o intc.o irq.o of_device.o \
+	hw_exception_handler.o init_task.o intc.o irq.o \
 	of_platform.o process.o prom.o prom_parse.o ptrace.o \
 	setup.o signal.o sys_microblaze.o timer.o traps.o reset.o
 
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
deleted file mode 100644
index 3a367d788451..000000000000
--- a/arch/microblaze/kernel/of_device.c
+++ /dev/null
@@ -1,64 +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 <linux/errno.h>
-
-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;
-
-	/*
-	 * 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);
-}
-EXPORT_SYMBOL(of_device_make_bus_id);
-
-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, bus_id);
-	else
-		of_device_make_bus_id(dev);
-
-	return dev;
-}
-EXPORT_SYMBOL(of_device_alloc);
diff --git a/arch/powerpc/include/asm/of_device.h b/arch/powerpc/include/asm/of_device.h
index 5d5103cac641..04f76717f82c 100644
--- a/arch/powerpc/include/asm/of_device.h
+++ b/arch/powerpc/include/asm/of_device.h
@@ -1,13 +1,3 @@
 #ifndef _ASM_POWERPC_OF_DEVICE_H
 #define _ASM_POWERPC_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-
-extern struct of_device *of_device_alloc(struct device_node *np,
-					 const char *bus_id,
-					 struct device *parent);
-
-#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_OF_DEVICE_H */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 58d0572de6f9..83aa1fd0908f 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o
 obj-$(CONFIG_PPC64)		+= vdso64/
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o
 obj-$(CONFIG_PPC_970_NAP)	+= idle_power4.o
-obj-$(CONFIG_PPC_OF)		+= of_device.o of_platform.o prom_parse.o
+obj-$(CONFIG_PPC_OF)		+= of_platform.o prom_parse.o
 obj-$(CONFIG_PPC_CLOCK)		+= clock.o
 procfs-y			:= proc_powerpc.o
 obj-$(CONFIG_PROC_FS)		+= $(procfs-y)
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
deleted file mode 100644
index db91a9dbafb5..000000000000
--- 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);