[PATCH] Calgary: check BBAR ioremap success when ioremapping

This patch cleans up the previous "Use BIOS supplied BBAR information"
patch. Mostly stylistic clenaups, but also check for ioremap failure
when we ioremap the BBAR rather than when trying to use it.

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Laurent Vivier <Laurent.Vivier@bull.net>

1 files changed, 3 insertions, 5 deletions

diff --git a/include/asm-x86_64/rio.h b/include/asm-x86_64/rio.h
index 1f315c39d76e..c7350f6d2015 100644
--- a/include/asm-x86_64/rio.h
+++ b/include/asm-x86_64/rio.h
@@ -3,7 +3,6 @@
  *          and include/asm-i386/mach-default/bios_ebda.h
  *
  * Author: Laurent Vivier <Laurent.Vivier@bull.net>
- *
  */
 
 #ifndef __ASM_RIO_H
@@ -19,7 +18,7 @@ struct rio_table_hdr {
 
 struct scal_detail {
         u8 node_id;      /* Scalability Node ID                    */
-        u32  CBAR;       /* Address of 1MB register space          */
+        u32 CBAR;        /* Address of 1MB register space          */
         u8 port0node;    /* Node ID port connected to: 0xFF=None   */
         u8 port0port;    /* Port num port connected to: 0,1,2, or  */
                          /* 0xFF=None                              */
@@ -34,7 +33,7 @@ struct scal_detail {
 
 struct rio_detail {
         u8 node_id;      /* RIO Node ID                            */
-        u32  BBAR;       /* Address of 1MB register space          */
+        u32 BBAR;        /* Address of 1MB register space          */
         u8 type;         /* Type of device                         */
         u8 owner_id;     /* Node ID of Hurricane that owns this    */
                          /* node                                   */
@@ -65,10 +64,9 @@ enum {
  * there is a real-mode segmented pointer pointing to the
  * 4K EBDA area at 0x40E.
  */
-
 static inline unsigned long get_bios_ebda(void)
 {
-        unsigned long address= *(unsigned short *)phys_to_virt(0x40Eul);
+        unsigned long address = *(unsigned short *)phys_to_virt(0x40EUL);
         address <<= 4;
         return address;
 }