Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807

This is the result of a brute-force attempt to update the kernel to 2.6.23.
Now that we have a git tree, our effort will be a little nicer in the future.

Signed-off-by: Justin Waters <justin.waters@timesys.com>

29 files changed, 73 insertions, 46 deletions

diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index a86e2e9a639f..20a9c08e59c3 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -37,6 +37,10 @@ config TIME_LOW_RES
 	bool
 	default y
 
+config GENERIC_IOMAP
+	bool
+	default y
+
 config ARCH_MAY_HAVE_PC_FDC
 	bool
 	depends on Q40 || (BROKEN && SUN3X)
@@ -45,6 +49,9 @@ config ARCH_MAY_HAVE_PC_FDC
 config NO_IOPORT
 	def_bool y
 
+config NO_DMA
+	def_bool SUN3
+
 mainmenu "Linux/68k Kernel Configuration"
 
 source "init/Kconfig"
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
index cb8e7609df4c..78df98f2029a 100644
--- a/arch/m68k/apollo/config.c
+++ b/arch/m68k/apollo/config.c
@@ -148,8 +148,8 @@ void dn_serial_print (const char *str)
     }
 }
 
-void config_apollo(void) {
-
+void __init config_apollo(void)
+{
 	int i;
 
 	dn_setup_model();
diff --git a/arch/m68k/apollo/dn_ints.c b/arch/m68k/apollo/dn_ints.c
index 13bd41bed28e..5d47f3aa3810 100644
--- a/arch/m68k/apollo/dn_ints.c
+++ b/arch/m68k/apollo/dn_ints.c
@@ -37,7 +37,7 @@ static struct irq_controller apollo_irq_controller = {
 };
 
 
-void dn_init_IRQ(void)
+void __init dn_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER + 96, 16, dn_process_int);
 	m68k_setup_irq_controller(&apollo_irq_controller, IRQ_APOLLO, 16);
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
index 1c29603b16b3..2b5f64726a2e 100644
--- a/arch/m68k/atari/atakeyb.c
+++ b/arch/m68k/atari/atakeyb.c
@@ -13,6 +13,7 @@
  * enhanced by Bjoern Brauel and Roman Hodek
  */
 
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
@@ -42,6 +43,9 @@ void (*atari_mouse_interrupt_hook) (char *);
 void (*atari_input_keyboard_interrupt_hook) (unsigned char, char);
 /* Hook for mouse inputdev  driver */
 void (*atari_input_mouse_interrupt_hook) (char *);
+EXPORT_SYMBOL(atari_mouse_interrupt_hook);
+EXPORT_SYMBOL(atari_input_keyboard_interrupt_hook);
+EXPORT_SYMBOL(atari_input_mouse_interrupt_hook);
 
 /* variables for IKBD self test: */
 
@@ -429,6 +433,7 @@ void ikbd_mouse_rel_pos(void)
 
 	ikbd_write(cmd, 1);
 }
+EXPORT_SYMBOL(ikbd_mouse_rel_pos);
 
 /* Set absolute mouse position reporting */
 void ikbd_mouse_abs_pos(int xmax, int ymax)
@@ -453,6 +458,7 @@ void ikbd_mouse_thresh(int x, int y)
 
 	ikbd_write(cmd, 3);
 }
+EXPORT_SYMBOL(ikbd_mouse_thresh);
 
 /* Set mouse scale */
 void ikbd_mouse_scale(int x, int y)
@@ -495,6 +501,7 @@ void ikbd_mouse_y0_top(void)
 
 	ikbd_write(cmd, 1);
 }
+EXPORT_SYMBOL(ikbd_mouse_y0_top);
 
 /* Resume */
 void ikbd_resume(void)
@@ -511,6 +518,7 @@ void ikbd_mouse_disable(void)
 
 	ikbd_write(cmd, 1);
 }
+EXPORT_SYMBOL(ikbd_mouse_disable);
 
 /* Pause output */
 void ikbd_pause(void)
@@ -696,7 +704,6 @@ int __init atari_keyb_init(void)
 	return 0;
 }
 
-
 int atari_kbdrate(struct kbd_repeat *k)
 {
 	if (k->delay > 0) {
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 896ae3d3d919..9433a88a33c4 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -97,7 +97,7 @@ static int bvme6000_get_hardware_list(char *buffer)
  * This function is called during kernel startup to initialize
  * the bvme6000 IRQ handling routines.
  */
-static void bvme6000_init_IRQ(void)
+static void __init bvme6000_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
 }
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index e162ee685d20..918f5dbeaef6 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -735,4 +735,14 @@ sys_call_table:
 	.long sys_tee
 	.long sys_vmsplice
 	.long sys_move_pages		/* 310 */
+	.long sys_sched_setaffinity
+	.long sys_sched_getaffinity
+	.long sys_kexec_load
+	.long sys_getcpu
+	.long sys_epoll_pwait		/* 315 */
+	.long sys_utimensat
+	.long sys_signalfd
+	.long sys_timerfd
+	.long sys_eventfd
+	.long sys_fallocate		/* 320 */
 
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 05741f233567..faa6764f1d13 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -577,7 +577,7 @@ func_define	putn,1
 #endif
 .endm
 
-.text
+.section ".text.head","ax"
 ENTRY(_stext)
 /*
  * Version numbers of the bootinfo interface
diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 60d4d75f5798..2b412454cb41 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -326,6 +326,10 @@ void disable_irq(unsigned int irq)
 
 EXPORT_SYMBOL(disable_irq);
 
+void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
+
+EXPORT_SYMBOL(disable_irq_nosync);
+
 int m68k_irq_startup(unsigned int irq)
 {
 	if (irq <= IRQ_AUTO_7)
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 99fc1226f7f8..3ee918695215 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -15,6 +15,7 @@
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/fs.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/stddef.h>
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index cdba9fd6d82f..e792d3cba4c7 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -116,7 +116,6 @@ static inline void singlestep_disable(struct task_struct *child)
 void ptrace_disable(struct task_struct *child)
 {
 	singlestep_disable(child);
-	clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -128,10 +127,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	/* when I and D space are separate, these will need to be fixed. */
 	case PTRACE_PEEKTEXT:	/* read word at location addr. */
 	case PTRACE_PEEKDATA:
-		i = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-		if (i != sizeof(tmp))
-			goto out_eio;
-		ret = put_user(tmp, (unsigned long *)data);
+		ret = generic_ptrace_peekdata(child, addr, data);
 		break;
 
 	/* read the word at location addr in the USER area. */
@@ -160,8 +156,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	/* when I and D space are separate, this will have to be fixed. */
 	case PTRACE_POKETEXT:	/* write the word at location addr. */
 	case PTRACE_POKEDATA:
-		if (access_process_vm(child, addr, &data, sizeof(data), 1) != sizeof(data))
-			goto out_eio;
+		ret = generic_ptrace_pokedata(child, addr, data);
 		break;
 
 	case PTRACE_POKEUSR:	/* write the word at location addr in the USER area */
diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index 215c7bd43924..ed3a4caec620 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -58,10 +58,10 @@ extern int end;
 extern unsigned long availmem;
 
 int m68k_num_memory;
+EXPORT_SYMBOL(m68k_num_memory);
 int m68k_realnum_memory;
 EXPORT_SYMBOL(m68k_realnum_memory);
 unsigned long m68k_memoffset;
-EXPORT_SYMBOL(m68k_memoffset);
 struct mem_info m68k_memory[NUM_MEMINFO];
 EXPORT_SYMBOL(m68k_memory);
 
@@ -199,7 +199,6 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record)
 		       (m68k_num_memory - 1));
 		m68k_num_memory = 1;
 	}
-	m68k_memoffset = m68k_memory[0].addr-PAGE_OFFSET;
 #endif
 }
 
diff --git a/arch/m68k/kernel/sun3-head.S b/arch/m68k/kernel/sun3-head.S
index 4b5f050204e8..aad01592dbbc 100644
--- a/arch/m68k/kernel/sun3-head.S
+++ b/arch/m68k/kernel/sun3-head.S
@@ -29,7 +29,7 @@ kernel_pmd_table:              .skip 0x2000
 .globl kernel_pg_dir
 .equ    kernel_pg_dir,kernel_pmd_table
 
-	.section .head
+	.section .text.head
 ENTRY(_stext)
 ENTRY(_start)
 
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 90238a8c9e14..36d78cf1a7bc 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
+#include <linux/fs.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/sem.h>
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 4c065f9ceffc..7db41594d7b6 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -72,7 +72,7 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
 	return IRQ_HANDLED;
 }
 
-void time_init(void)
+void __init time_init(void)
 {
 	struct rtc_time time;
 
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index a27a4fa33296..4e2752a0e89b 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -1170,6 +1170,7 @@ void die_if_kernel (char *str, struct pt_regs *fp, int nr)
 	console_verbose();
 	printk("%s: %08x\n",str,nr);
 	show_registers(fp);
+	add_taint(TAINT_DIE);
 	do_exit(SIGSEGV);
 }
 
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index 40f02b128f22..59fe285865ec 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -11,6 +11,7 @@ SECTIONS
   . = 0x1000;
   _text = .;			/* Text and read-only data */
   .text : {
+	*(.text.head)
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT
@@ -18,6 +19,8 @@ SECTIONS
 	*(.gnu.warning)
 	} :text = 0x4e75
 
+  _etext = .;			/* End of text section */
+
   . = ALIGN(16);		/* Exception table */
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }
@@ -25,8 +28,6 @@ SECTIONS
 
   RODATA
 
-  _etext = .;			/* End of text section */
-
   .data : {			/* Data */
 	DATA_DATA
 	CONSTRUCTORS
diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds
index f06425b6d206..4adffefb5c48 100644
--- a/arch/m68k/kernel/vmlinux-sun3.lds
+++ b/arch/m68k/kernel/vmlinux-sun3.lds
@@ -11,7 +11,7 @@ SECTIONS
   . = 0xE002000;
   _text = .;			/* Text and read-only data */
   .text : {
-	*(.head)
+	*(.text.head)
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT
diff --git a/arch/m68k/lib/checksum.c b/arch/m68k/lib/checksum.c
index cf6bb51945a2..6216f12a756b 100644
--- a/arch/m68k/lib/checksum.c
+++ b/arch/m68k/lib/checksum.c
@@ -422,3 +422,4 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
 	    );
     return(sum);
 }
+EXPORT_SYMBOL(csum_partial_copy_nocheck);
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 5fd413246f89..8547dbc5e8d7 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -49,6 +49,7 @@ struct mac_booter_data mac_bi_data;
 int mac_bisize = sizeof mac_bi_data;
 
 struct mac_hw_present mac_hw_present;
+EXPORT_SYMBOL(mac_hw_present);
 
 /* New m68k bootinfo stuff and videobase */
 
@@ -84,7 +85,7 @@ extern void nubus_sweep_video(void);
 
 static void mac_get_model(char *str);
 
-static void mac_sched_init(irq_handler_t vector)
+static void __init mac_sched_init(irq_handler_t vector)
 {
 	via_init_clock(vector);
 }
@@ -769,7 +770,7 @@ static struct mac_model mac_data_table[] = {
 	}
 };
 
-void mac_identify(void)
+void __init mac_identify(void)
 {
 	struct mac_model *m;
 
@@ -846,7 +847,7 @@ void mac_identify(void)
 	baboon_init();
 }
 
-void mac_report_hardware(void)
+void __init mac_report_hardware(void)
 {
 	printk(KERN_INFO "Apple Macintosh %s\n", macintosh_config->name);
 }
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 0fc72d8f786e..ecddac4a02b9 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -114,6 +114,7 @@
  *
  */
 
+#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -224,7 +225,7 @@ static struct irq_controller mac_irq_controller = {
 	.disable	= mac_disable_irq,
 };
 
-void mac_init_IRQ(void)
+void __init mac_init_IRQ(void)
 {
 #ifdef DEBUG_MACINTS
 	printk("mac_init_IRQ(): Setting things up...\n");
@@ -391,6 +392,7 @@ int mac_irq_pending(unsigned int irq)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(mac_irq_pending);
 
 static int num_debug[8];
 
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 2adbeb16e1b8..578b48f47b9e 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -159,18 +159,17 @@ good_area:
 #ifdef DEBUG
 	printk("handle_mm_fault returns %d\n",fault);
 #endif
-	switch (fault) {
-	case VM_FAULT_MINOR:
-		current->min_flt++;
-		break;
-	case VM_FAULT_MAJOR:
-		current->maj_flt++;
-		break;
-	case VM_FAULT_SIGBUS:
-		goto bus_err;
-	default:
-		goto out_of_memory;
+	if (unlikely(fault & VM_FAULT_ERROR)) {
+		if (fault & VM_FAULT_OOM)
+			goto out_of_memory;
+		else if (fault & VM_FAULT_SIGBUS)
+			goto bus_err;
+		BUG();
 	}
+	if (fault & VM_FAULT_MAJOR)
+		current->maj_flt++;
+	else
+		current->min_flt++;
 
 	up_read(&mm->mmap_sem);
 	return 0;
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index f1de19e1dde6..f42caa79e4e8 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -44,7 +44,7 @@ pg_data_t *pg_data_table[65];
 EXPORT_SYMBOL(pg_data_table);
 #endif
 
-void m68k_setup_node(int node)
+void __init m68k_setup_node(int node)
 {
 #ifndef CONFIG_SINGLE_MEMORY_CHUNK
 	struct mem_info *info = m68k_memory + node;
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index 7d571a2b44dd..30d34f285024 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -210,11 +210,7 @@ void __init paging_init(void)
 	int i;
 
 #ifdef DEBUG
-	{
-		extern unsigned long availmem;
-		printk ("start of paging_init (%p, %lx)\n",
-			kernel_pg_dir, availmem);
-	}
+	printk ("start of paging_init (%p, %lx)\n", kernel_pg_dir, availmem);
 #endif
 
 	/* Fix the cache mode in the page descriptors for the 680[46]0.  */
diff --git a/arch/m68k/mm/sun3kmap.c b/arch/m68k/mm/sun3kmap.c
index 1af24cb5bfe1..3dc41158c05e 100644
--- a/arch/m68k/mm/sun3kmap.c
+++ b/arch/m68k/mm/sun3kmap.c
@@ -105,6 +105,7 @@ void __iomem *sun3_ioremap(unsigned long phys, unsigned long size,
 	return (void __iomem *)ret;
 
 }
+EXPORT_SYMBOL(sun3_ioremap);
 
 
 void __iomem *__ioremap(unsigned long phys, unsigned long size, int cache)
@@ -157,3 +158,4 @@ int sun3_map_test(unsigned long addr, char *val)
 
 	return ret;
 }
+EXPORT_SYMBOL(sun3_map_test);
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 4a7df9c3f85a..92fe50714112 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -89,7 +89,7 @@ static int mvme147_get_hardware_list(char *buffer)
  * the mvme147 IRQ handling routines.
  */
 
-void mvme147_init_IRQ(void)
+void __init mvme147_init_IRQ(void)
 {
 	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
 }
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index c829ebb6b1af..daa785161401 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -119,7 +119,7 @@ static int mvme16x_get_hardware_list(char *buffer)
  * that the base vectors for the VMEChip2 and PCCChip2 are valid.
  */
 
-static void mvme16x_init_IRQ (void)
+static void __init mvme16x_init_IRQ (void)
 {
 	m68k_setup_user_interrupt(VEC_USER, 192, NULL);
 }
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index 2fb25ae46a8a..ad3ed1fb8879 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -79,7 +79,7 @@ static struct irq_controller q40_irq_controller = {
 
 static int disabled;
 
-void q40_init_IRQ(void)
+void __init q40_init_IRQ(void)
 {
 	m68k_setup_irq_controller(&q40_irq_controller, 1, Q40_IRQ_MAX);
 
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 50df34bf80e3..cf93481adb1d 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -97,7 +97,7 @@ static struct irq_controller sun3_irq_controller = {
 	.disable	= sun3_disable_irq,
 };
 
-void sun3_init_IRQ(void)
+void __init sun3_init_IRQ(void)
 {
 	*sun3_intreg = 1;
 
diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c
index 48f8eb7b1565..a7b7e818d627 100644
--- a/arch/m68k/sun3x/prom.c
+++ b/arch/m68k/sun3x/prom.c
@@ -92,7 +92,7 @@ static struct console sun3x_debug = {
 	.index	= -1,
 };
 
-void sun3x_prom_init(void)
+void __init sun3x_prom_init(void)
 {
 	/* Read the vector table */