From: Ralf Baechle <ralf@linux-mips.org>
Date: Mon, 11 Jul 2005 10:37:51 +0000 (+0000)
Subject: Fix endianess bugs.
X-Git-Tag: v2.6.15-rc1~731^2~1^2~155
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0ec406c80a65590dbdb60ed0d0c8e73e6c3884f;p=linux-2.6

Fix endianess bugs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/include/asm-mips/vga.h b/include/asm-mips/vga.h
index 6b35cf054c..ca5cec97e1 100644
--- a/include/asm-mips/vga.h
+++ b/include/asm-mips/vga.h
@@ -6,6 +6,8 @@
 #ifndef _ASM_VGA_H
 #define _ASM_VGA_H
 
+#include <asm/byteorder.h>
+
 /*
  *	On the PC, we can just recalculate addresses and then
  *	access the videoram directly without any black magic.
@@ -16,4 +18,27 @@
 #define vga_readb(x)	(*(x))
 #define vga_writeb(x,y)	(*(y) = (x))
 
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+	*addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+	return le16_to_cpu(*addr);
+}
+
+#define scr_memcpyw(d, s, c) memcpy(d, s, c)
+#define scr_memmovew(d, s, c) memmove(d, s, c)
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+
 #endif /* _ASM_VGA_H */