[RFC patch 02/32] x86: Add probe_roms to platform_setup

[Thomas Gleixner]

probe_roms is only used on 32bit. Add it to the platform_setup code
and remove the #ifdefs.

Default initializer is platform_setup_noop() which is overridden in
the 32bit boot code.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/include/asm/platform.h  |   10 ++++++++++
 arch/x86/kernel/head32.c         |    3 +++
 arch/x86/kernel/platform_setup.c |    4 ++++
 arch/x86/kernel/setup.c          |    4 +---
 4 files changed, 18 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/x86/include/asm/platform.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/platform.h
+++ linux-2.6/arch/x86/include/asm/platform.h
@@ -9,10 +9,20 @@ struct platform_setup_quirks {
 };
 
 /**
+ * struct platform_setup_resources - platform specific resource related ops
+ * @probe_roms:			probe BIOS roms
+ *
+ */
+struct platform_setup_resources {
+	void (*probe_roms)(void);
+};
+
+/**
  * struct platform_setup_ops - functions for platform specific setup
  *
  */
 struct platform_setup_ops {
+	struct platform_setup_resources resources;
 	struct platform_setup_quirks quirks;
 };
 
Index: linux-2.6/arch/x86/kernel/head32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/head32.c
+++ linux-2.6/arch/x86/kernel/head32.c
@@ -29,6 +29,9 @@ void __init i386_start_kernel(void)
 		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
 	}
 #endif
+	/* Initilize 32bit specific setup functions */
+	platform_setup.resources.probe_roms = probe_roms;
+
 	reserve_ebda_region();
 
 	/*
Index: linux-2.6/arch/x86/kernel/platform_setup.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/platform_setup.c
+++ linux-2.6/arch/x86/kernel/platform_setup.c
@@ -14,4 +14,8 @@ void __cpuinit platform_setup_noop(void)
  * for standard PC hardware.
  */
 struct __initdata platform_setup_ops platform_setup = {
+
+	.resources = {
+		.probe_roms = platform_setup_noop,
+	},
 };
Index: linux-2.6/arch/x86/kernel/setup.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup.c
+++ linux-2.6/arch/x86/kernel/setup.c
@@ -835,9 +835,7 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	init_hypervisor(&boot_cpu_data);
 
-#ifdef CONFIG_X86_32
-	probe_roms();
-#endif
+	platform_setup.resources.probe_roms();
 
 	/* after parse_early_param, so could debug it */
 	insert_resource(&iomem_resource, &code_resource);


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