From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 24 Sep 2007 09:11:27 +0000 (+0900)
Subject: sh: Define _ebss for uClinux MTD map driver.
X-Git-Tag: upstream/snapshot3+hdmi~30681^2~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1f91bbb58413e0bce9726cd6d12bf4b95c343a7f;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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>
---

diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index cac7380..548e428 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 9cb95af..84a203b 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 2a696b8..bd9cbc9 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 */