[PATCH] ES7000 platform update

This is platform code update for ES7000: disables IRQ overrides for the
recent ES7000 (Rascal/Zorro), cleans up the compile warning.  The patch
only affects the ES7000 subarch.

Signed-off-by: <Natalie.Protasevich@unisys.com>
Acked-by: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 17 insertions, 5 deletions

diff --git a/arch/i386/mach-es7000/es7000.h b/arch/i386/mach-es7000/es7000.h
index 898ed905e119..f1e3204f5dec 100644
--- a/arch/i386/mach-es7000/es7000.h
+++ b/arch/i386/mach-es7000/es7000.h
@@ -24,6 +24,15 @@
  * http://www.unisys.com
  */
 
+/*
+ * ES7000 chipsets
+ */
+
+#define NON_UNISYS              0
+#define ES7000_CLASSIC          1
+#define ES7000_ZORRO            2
+
+
 #define MIP_REG                 1
 #define MIP_PSAI_REG            4
 
@@ -106,6 +115,6 @@ struct mip_reg {
 
 extern int parse_unisys_oem (char *oemptr);
 extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
-extern void setup_unisys ();
+extern void setup_unisys(void);
 extern int es7000_start_cpu(int cpu, unsigned long eip);
 extern void es7000_sw_apic(void);
diff --git a/arch/i386/mach-es7000/es7000plat.c b/arch/i386/mach-es7000/es7000plat.c
index dc6660511b07..a9ab0644f403 100644
--- a/arch/i386/mach-es7000/es7000plat.c
+++ b/arch/i386/mach-es7000/es7000plat.c
@@ -62,6 +62,9 @@ static unsigned int base;
 static int
 es7000_rename_gsi(int ioapic, int gsi)
 {
+        if (es7000_plat == ES7000_ZORRO)
+                return gsi;
+
         if (!base) {
                 int i;
                 for (i = 0; i < nr_ioapics; i++)
@@ -76,7 +79,7 @@ es7000_rename_gsi(int ioapic, int gsi)
 #endif  /* (CONFIG_X86_IO_APIC) && (CONFIG_ACPI) */
 
 void __init
-setup_unisys ()
+setup_unisys(void)
 {
         /*
          * Determine the generation of the ES7000 currently running.
@@ -86,9 +89,9 @@ setup_unisys ()
          *
          */
         if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
-                es7000_plat = 2;
+                es7000_plat = ES7000_ZORRO;
         else
-                es7000_plat = 1;
+                es7000_plat = ES7000_CLASSIC;
         ioapic_renumber_irq = es7000_rename_gsi;
 }
 
@@ -151,7 +154,7 @@ parse_unisys_oem (char *oemptr)
         }
 
         if (success < 2) {
-                es7000_plat = 0;
+                es7000_plat = NON_UNISYS;
         } else
                 setup_unisys();
         return es7000_plat;