Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-…

…linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (53 commits)
  [MIPS] sparsemem: fix crash in show_mem
  [MIPS] vr41xx: Update workpad setup function
  [MIPS] vr41xx: Update e55 setup function
  [MIPS] vr41xx: Removed old v2.4 VRC4173 driver
  [MIPS] vr41xx: Move IRQ numbers to asm-mips/vr41xx/irq.h
  [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup.
  [MIPS] Remove unused code.
  [MIPS] IP22 Fix brown paper bag in RTC code.
  [MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init().
  [MIPS] Replace board_timer_setup function pointer by plat_timer_setup.
  [MIPS] Nuke redeclarations of board_time_init.
  [MIPS] Remove redeclarations of setup_irq().
  [MIPS] Nuke redeclarations of board_timer_setup.
  [MIPS] Print out TLB handler assembly for debugging.
  [MIPS] SMTC: Reformat to Linux style.
  [MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt.
  [MIPS] IP27: Reformatting.
  [MIPS] IP27: Invoke setup_irq for timer interrupt so proc stats will be shown.
  [MIPS] IP27: irq_chip startup method returns unsigned int.
  [MIPS] IP27: struct irq_desc member handler was renamed to chip.
  ...

Documentation/mips/time.README

@@ -65,7 +65,7 @@ the following functions or values:
 	1. (optional) set up RTC routines
 	2. (optional) calibrate and set the mips_counter_frequency
 
-  b) board_timer_setup - a function pointer.  Invoked at the end of time_init()
+  b) plat_timer_setup - a function pointer.  Invoked at the end of time_init()
 	1. (optional) over-ride any decisions made in time_init()
 	2. set up the irqaction for timer interrupt.
 	3. enable the timer interrupt
@@ -116,19 +116,17 @@ Step 2:  the machine setup() function
 
   If you supply board_time_init(), set the function poointer.
 
-  Set the function pointer board_timer_setup() (mandatory)
 
-
-Step 3: implement rtc routines, board_time_init() and board_timer_setup()
+Step 3: implement rtc routines, board_time_init() and plat_timer_setup()
   if needed.
 
-  board_time_init() - 
+  board_time_init() -
   	a) (optional) set up RTC routines, 
         b) (optional) calibrate and set the mips_counter_frequency
  	    (only needed if you intended to use fixed_rate_gettimeoffset
  	     or use cpu counter as timer interrupt source)
 
-  board_timer_setup() - 
+  plat_timer_setup() -
  	a) (optional) over-write any choices made above by time_init().
  	b) machine specific code should setup the timer irqaction.
  	c) enable the timer interrupt

arch/mips/Kconfig

@@ -480,6 +480,7 @@ config MOMENCO_OCELOT_G
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select ARCH_SPARSEMEM_ENABLE
 	help
 	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
 	  Momentum Computer <http://www.momenco.com/>.
@@ -556,6 +557,7 @@ config QEMU
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select ARCH_SPARSEMEM_ENABLE
 	help
 	  Qemu is a software emulator which among other architectures also
 	  can simulate a MIPS32 4Kc system.  This patch adds support for the
@@ -594,7 +596,6 @@ config SGI_IP22
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select SYS_SUPPORTS_SMP
 	help
 	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
 	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
@@ -1688,6 +1689,13 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  or have huge holes in the physical address space for other reasons.
 	  See <file:Documentation/vm/numa> for more.
 
+config ARCH_SPARSEMEM_ENABLE
+	bool
+
+config ARCH_SPARSEMEM_ENABLE
+	bool
+	select SPARSEMEM_STATIC
+
 config NUMA
 	bool "NUMA Support"
 	depends on SYS_SUPPORTS_NUMA

arch/mips/Kconfig.debug

@@ -1,5 +1,9 @@
 menu "Kernel hacking"
 
+config TRACE_IRQFLAGS_SUPPORT
+	bool
+	default y
+
 source "lib/Kconfig.debug"
 
 config CROSSCOMPILE

arch/mips/Makefile

@@ -712,16 +712,14 @@ endif
 vmlinux.bin: $(vmlinux-32)
 	+@$(call makeboot,$@)
 
-vmlinux.ecoff vmlinux.rm200: $(vmlinux-32)
+vmlinux.ecoff: $(vmlinux-32)
 	+@$(call makeboot,$@)
 
 vmlinux.srec: $(vmlinux-32)
 	+@$(call makeboot,$@)
 
 CLEAN_FILES += vmlinux.ecoff \
-	       vmlinux.srec \
-	       vmlinux.rm200.tmp \
-	       vmlinux.rm200
+	       vmlinux.srec
 
 archclean:
 	@$(MAKE) $(clean)=arch/mips/boot

arch/mips/au1000/common/irq.c

@@ -251,7 +251,7 @@ void restore_local_and_enable(int controller, unsigned long mask)
 }
 
 
-static struct hw_interrupt_type rise_edge_irq_type = {
+static struct irq_chip rise_edge_irq_type = {
 	.typename = "Au1000 Rise Edge",
 	.startup = startup_irq,
 	.shutdown = shutdown_irq,
@@ -261,7 +261,7 @@ static struct hw_interrupt_type rise_edge_irq_type = {
 	.end = end_irq,
 };
 
-static struct hw_interrupt_type fall_edge_irq_type = {
+static struct irq_chip fall_edge_irq_type = {
 	.typename = "Au1000 Fall Edge",
 	.startup = startup_irq,
 	.shutdown = shutdown_irq,
@@ -271,7 +271,7 @@ static struct hw_interrupt_type fall_edge_irq_type = {
 	.end = end_irq,
 };
 
-static struct hw_interrupt_type either_edge_irq_type = {
+static struct irq_chip either_edge_irq_type = {
 	.typename = "Au1000 Rise or Fall Edge",
 	.startup = startup_irq,
 	.shutdown = shutdown_irq,
@@ -281,7 +281,7 @@ static struct hw_interrupt_type either_edge_irq_type = {
 	.end = end_irq,
 };
 
-static struct hw_interrupt_type level_irq_type = {
+static struct irq_chip level_irq_type = {
 	.typename = "Au1000 Level",
 	.startup = startup_irq,
 	.shutdown = shutdown_irq,

arch/mips/au1000/common/prom.c

@@ -1,7 +1,7 @@
 /*
  *
  * BRIEF MODULE DESCRIPTION
- *    PROM library initialisation code, assuming YAMON is the boot loader.
+ *    PROM library initialisation code, supports YAMON and U-Boot.
  *
  * Copyright 2000, 2001, 2006 MontaVista Software Inc.
  * Author: MontaVista Software, Inc.
@@ -46,12 +46,6 @@
 extern int prom_argc;
 extern char **prom_argv, **prom_envp;
 
-typedef struct
-{
-	char *name;
-	char *val;
-} t_env_var;
-
 
 char * prom_getcmdline(void)
 {
@@ -84,13 +78,21 @@ char *prom_getenv(char *envname)
 {
 	/*
 	 * Return a pointer to the given environment variable.
+	 * YAMON uses "name", "value" pairs, while U-Boot uses "name=value".
 	 */
 
-	t_env_var *env = (t_env_var *)prom_envp;
-
-	while (env->name) {
-		if (strcmp(envname, env->name) == 0)
-			return env->val;
+	char **env = prom_envp;
+	int i = strlen(envname);
+	int yamon = (*env && strchr(*env, '=') == NULL);
+
+	while (*env) {
+		if (yamon) {
+			if (strcmp(envname, *env++) == 0)
+				return *env;
+		} else {
+			if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
+				return *env + i + 1;
+		}
 		env++;
 	}
 	return NULL;

arch/mips/au1000/common/setup.c

@@ -51,7 +51,6 @@ extern void au1000_power_off(void);
 extern void au1x_time_init(void);
 extern void au1x_timer_setup(struct irqaction *irq);
 extern void au1xxx_time_init(void);
-extern void au1xxx_timer_setup(struct irqaction *irq);
 extern void set_cpuspec(void);
 
 void __init plat_mem_setup(void)
@@ -123,7 +122,6 @@ void __init plat_mem_setup(void)
 	_machine_halt = au1000_halt;
 	pm_power_off = au1000_power_off;
 	board_time_init = au1xxx_time_init;
-	board_timer_setup = au1xxx_timer_setup;
 
 	/* IO/MEM resources. */
 	set_io_port_base(0);

arch/mips/au1000/common/time.c

@@ -383,7 +383,7 @@ static unsigned long do_fast_pm_gettimeoffset(void)
 }
 #endif
 
-void __init au1xxx_timer_setup(struct irqaction *irq)
+void __init plat_timer_setup(struct irqaction *irq)
 {
 	unsigned int est_freq;