x86, platforms: Remove SGI Visual Workstation

The SGI Visual Workstation seems to be dead; remove support so we
don't have to continue maintaining it.

Cc: Andrey Panin <pazke@donpac.ru>
Cc: Michael Reed <mdr@sgi.com>
Link: http://lkml.kernel.org/r/530CFD6C.7040705@zytor.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

Author: H. Peter Anvin

Documentation/00-INDEX

@@ -401,8 +401,6 @@ serial-console.txt
 	- how to set up Linux with a serial line console as the default.
 sgi-ioc4.txt
 	- description of the SGI IOC4 PCI (multi function) device.
-sgi-visws.txt
-	- short blurb on the SGI Visual Workstations.
 sh/
 	- directory with info on porting Linux to a new architecture.
 smsc_ece1099.txt

Documentation/sgi-visws.txt

@@ -7757,13 +7757,6 @@ F:	Documentation/ia64/serial.txt
 F:	drivers/tty/serial/ioc?_serial.c
 F:	include/linux/ioc?.h
 
-SGI VISUAL WORKSTATION 320 AND 540
-M:	Andrey Panin <pazke@donpac.ru>
-L:	linux-visws-devel@lists.sf.net
-W:	http://linux-visws.sf.net
-S:	Maintained for 2.6.
-F:	Documentation/sgi-visws.txt
-
 SGI XP/XPC/XPNET DRIVER
 M:	Cliff Whickman <cpw@sgi.com>
 M:	Robin Holt <robinmholt@gmail.com>

Documentation/sound/oss/vwsnd

@@ -517,19 +517,6 @@ config X86_SUPPORTS_MEMORY_FAILURE
 	depends on X86_64 || !SPARSEMEM
 	select ARCH_SUPPORTS_MEMORY_FAILURE
 
-config X86_VISWS
-	bool "SGI 320/540 (Visual Workstation)"
-	depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT
-	depends on X86_32_NON_STANDARD
-	---help---
-	  The SGI Visual Workstation series is an IA32-based workstation
-	  based on SGI systems chips with some legacy PC hardware attached.
-
-	  Say Y here to create a kernel to run on the SGI 320 or 540.
-
-	  A kernel compiled for the Visual Workstation will run on general
-	  PCs as well. See <file:Documentation/sgi-visws.txt> for details.
-
 config STA2X11
 	bool "STA2X11 Companion Chip Support"
 	depends on X86_32_NON_STANDARD && PCI
@@ -860,10 +847,6 @@ config X86_IO_APIC
 	def_bool y
 	depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI
 
-config X86_VISWS_APIC
-	def_bool y
-	depends on X86_32 && X86_VISWS
-
 config X86_REROUTE_FOR_BROKEN_BOOT_IRQS
 	bool "Reroute for broken boot IRQs"
 	depends on X86_IO_APIC

MAINTAINERS

@@ -97,12 +97,6 @@ enum fixed_addresses {
 #ifdef CONFIG_X86_IO_APIC
 	FIX_IO_APIC_BASE_0,
 	FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
-#endif
-#ifdef CONFIG_X86_VISWS_APIC
-	FIX_CO_CPU,	/* Cobalt timer */
-	FIX_CO_APIC,	/* Cobalt APIC Redirection Table */
-	FIX_LI_PCIA,	/* Lithium PCI Bridge A */
-	FIX_LI_PCIB,	/* Lithium PCI Bridge B */
 #endif
 	FIX_RO_IDT,	/* Virtual mapping for read-only IDT */
 #ifdef CONFIG_X86_32

arch/x86/Kconfig

@@ -98,7 +98,6 @@ extern void trace_call_function_single_interrupt(void);
 #define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
 extern unsigned long io_apic_irqs;
 
-extern void init_VISWS_APIC_irqs(void);
 extern void setup_IO_APIC(void);
 extern void disable_IO_APIC(void);
 

arch/x86/include/asm/fixmap.h

@@ -39,12 +39,6 @@ static inline void vsmp_init(void) { }
 
 void setup_bios_corruption_check(void);
 
-#ifdef CONFIG_X86_VISWS
-extern void visws_early_detect(void);
-#else
-static inline void visws_early_detect(void) { }
-#endif
-
 extern unsigned long saved_video_mode;
 
 extern void reserve_standard_io_resources(void);