[ARM] use asm/sections.h

Update to use the asm/sections.h header rather than declaring these
symbols ourselves.  Change __data_start to _data to conform with the
naming found within asm/sections.h.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

4 files changed, 13 insertions, 13 deletions

diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index bde52df1c66..991952c644d 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -18,7 +18,7 @@
 __switch_data:
         .long   __mmap_switched
         .long   __data_loc                      @ r4
-        .long   __data_start                    @ r5
+        .long   _data                           @ r5
         .long   __bss_start                     @ r6
         .long   _end                            @ r7
         .long   processor_id                    @ r4
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index b8d965dcd6f..dab48f27263 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -21,6 +21,7 @@
 #include <linux/string.h>
 
 #include <asm/pgtable.h>
+#include <asm/sections.h>
 
 #ifdef CONFIG_XIP_KERNEL
 /*
@@ -29,9 +30,8 @@
  * MODULES_VADDR is redefined here and not in asm/memory.h to avoid
  * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off.
  */
-extern void _etext;
 #undef MODULES_VADDR
-#define MODULES_VADDR   (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK)
+#define MODULES_VADDR   (((unsigned long)_etext + ~PGDIR_MASK) & PGDIR_MASK)
 #endif
 
 #ifdef CONFIG_MMU
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 4f6ae06d085..7049815d66d 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -29,6 +29,7 @@
 #include <asm/cputype.h>
 #include <asm/elf.h>
 #include <asm/procinfo.h>
+#include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 #include <asm/cacheflush.h>
@@ -61,7 +62,6 @@ __setup("fpe=", fpe_setup);
 
 extern void paging_init(struct machine_desc *desc);
 extern void reboot_setup(char *str);
-extern void _text, _etext, __data_start, _edata, _end;
 
 unsigned int processor_id;
 EXPORT_SYMBOL(processor_id);
@@ -484,10 +484,10 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
         struct resource *res;
         int i;
 
-        kernel_code.start   = virt_to_phys(&_text);
-        kernel_code.end     = virt_to_phys(&_etext - 1);
-        kernel_data.start   = virt_to_phys(&__data_start);
-        kernel_data.end     = virt_to_phys(&_end - 1);
+        kernel_code.start   = virt_to_phys(_text);
+        kernel_code.end     = virt_to_phys(_etext - 1);
+        kernel_data.start   = virt_to_phys(_data);
+        kernel_data.end     = virt_to_phys(_end - 1);
 
         for (i = 0; i < mi->nr_banks; i++) {
                 if (mi->bank[i].size == 0)
@@ -715,10 +715,10 @@ void __init setup_arch(char **cmdline_p)
                 parse_tags(tags);
         }
 
-        init_mm.start_code = (unsigned long) &_text;
-        init_mm.end_code   = (unsigned long) &_etext;
-        init_mm.end_data   = (unsigned long) &_edata;
-        init_mm.brk        = (unsigned long) &_end;
+        init_mm.start_code = (unsigned long) _text;
+        init_mm.end_code   = (unsigned long) _etext;
+        init_mm.end_data   = (unsigned long) _edata;
+        init_mm.brk        = (unsigned long) _end;
 
         memcpy(boot_command_line, from, COMMAND_LINE_SIZE);
         boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 4898bdcfe7d..00216071eaf 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -119,7 +119,7 @@ SECTIONS
 #endif
 
         .data : AT(__data_loc) {
-                __data_start = .;       /* address in memory */
+                _data = .;              /* address in memory */
 
                 /*
                  * first, the init task union, aligned