powerpc/32: Remove RELOCATABLE_PPC32

It is seldom used in the kernel code and can be easily replaced by
either RELOCATABLE or PPC32. So there is no reason to keep a separate
kernel option for this.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/Kconfig

@@ -481,10 +481,6 @@ config RELOCATABLE
 	  setting can still be useful to bootwrappers that need to know the
 	  load address of the kernel (eg. u-boot/mkimage).
 
-config RELOCATABLE_PPC32
-	def_bool y
-	depends on PPC32 && RELOCATABLE
-
 config CRASH_DUMP
 	bool "Build a kdump crash kernel"
 	depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP)

arch/powerpc/include/asm/page.h

@@ -96,7 +96,7 @@ extern unsigned int HPAGE_SHIFT;
 extern phys_addr_t memstart_addr;
 extern phys_addr_t kernstart_addr;
 
-#ifdef CONFIG_RELOCATABLE_PPC32
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC32)
 extern long long virt_phys_offset;
 #endif
 
@@ -139,9 +139,9 @@ extern long long virt_phys_offset;
  * determine MEMORY_START until then.  However we can determine PHYSICAL_START
  * from information at hand (program counter, TLB lookup).
  *
- * On BookE with RELOCATABLE (RELOCATABLE_PPC32)
+ * On BookE with RELOCATABLE && PPC32
  *
- *   With RELOCATABLE_PPC32,  we support loading the kernel at any physical 
+ *   With RELOCATABLE && PPC32,  we support loading the kernel at any physical
  *   address without any restriction on the page alignment.
  *
  *   We find the runtime address of _stext and relocate ourselves based on 

arch/powerpc/kernel/Makefile

@@ -42,7 +42,6 @@ obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_ppc970.o cpu_setup_pa6t.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_power.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= mce.o mce_power.o
-obj64-$(CONFIG_RELOCATABLE)	+= reloc_64.o
 obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o idle_book3e.o
 obj-$(CONFIG_PPC64)		+= vdso64/
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o
@@ -87,7 +86,7 @@ extra-$(CONFIG_FSL_BOOKE)	:= head_fsl_booke.o
 extra-$(CONFIG_8xx)		:= head_8xx.o
 extra-y				+= vmlinux.lds
 
-obj-$(CONFIG_RELOCATABLE_PPC32)	+= reloc_32.o
+obj-$(CONFIG_RELOCATABLE)	+= reloc_$(CONFIG_WORD_SIZE).o
 
 obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o
 obj-$(CONFIG_PPC64)		+= dma-iommu.o iommu.o

arch/powerpc/kernel/vmlinux.lds.S

@@ -165,7 +165,7 @@ SECTIONS
 	. = ALIGN(8);
 	.dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET)
 	{
-#ifdef CONFIG_RELOCATABLE_PPC32
+#ifdef CONFIG_PPC32
 		__dynamic_symtab = .;
 #endif
 		*(.dynsym)

arch/powerpc/mm/init_32.c

@@ -64,7 +64,7 @@ EXPORT_SYMBOL(memstart_addr);
 phys_addr_t kernstart_addr;
 EXPORT_SYMBOL(kernstart_addr);
 
-#ifdef CONFIG_RELOCATABLE_PPC32
+#ifdef CONFIG_RELOCATABLE
 /* Used in __va()/__pa() */
 long long virt_phys_offset;
 EXPORT_SYMBOL(virt_phys_offset);