sh: Define _ebss for uClinux MTD map driver.

The uClinux MTD device uses _ebss, add the symbol and corresponding
export.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 4 insertions, 1 deletions

diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index cac7380ed0bb..548e4285b375 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -8,7 +8,7 @@
 #include <linux/vmalloc.h>
 #include <linux/pci.h>
 #include <linux/irq.h>
-
+#include <asm/sections.h>
 #include <asm/semaphore.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
@@ -149,3 +149,4 @@ EXPORT_SYMBOL(csum_ipv6_magic);
 #endif
 EXPORT_SYMBOL(clear_page);
 EXPORT_SYMBOL(__clear_user);
+EXPORT_SYMBOL(_ebss);
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 9cb95af7b090..84a203b8573d 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -107,6 +107,7 @@ SECTIONS
         *(.bss.page_aligned)
         *(.bss)
         . = ALIGN(4);
+        _ebss = .;                      /* uClinux MTD sucks */
         _end = . ;
   }
 
diff --git a/include/asm-sh/sections.h b/include/asm-sh/sections.h
index 2a696b8ee4f5..bd9cbc967c2a 100644
--- a/include/asm-sh/sections.h
+++ b/include/asm-sh/sections.h
@@ -4,6 +4,7 @@
 #include <asm-generic/sections.h>
 
 extern long __machvec_start, __machvec_end;
+extern char _ebss[];
 
 #endif /* __ASM_SH_SECTIONS_H */