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>

12 files changed, 51 insertions, 59 deletions

diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S
index e27d23c74ba8..7ac1f1372c36 100644
--- a/arch/alpha/kernel/head.S
+++ b/arch/alpha/kernel/head.S
@@ -10,6 +10,7 @@
 #include <asm/system.h>
 #include <asm/asm-offsets.h>
 
+.section .text.head, "ax"
 .globl swapper_pg_dir
 .globl _stext
 swapper_pg_dir=SWAPPER_PGD
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index bd03dc94c72b..026ba9af6d6a 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -119,8 +119,7 @@ module_frob_arch_sections(Elf64_Ehdr *hdr, Elf64_Shdr *sechdrs,
 	}
 
 	nsyms = symtab->sh_size / sizeof(Elf64_Sym);
-	chains = kmalloc(nsyms * sizeof(struct got_entry), GFP_KERNEL);
-	memset(chains, 0, nsyms * sizeof(struct got_entry));
+	chains = kcalloc(nsyms, sizeof(struct got_entry), GFP_KERNEL);
 
 	got->sh_size = 0;
 	got->sh_addralign = 8;
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index ab642a4f08de..9dc1cee43265 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -195,7 +195,7 @@ pcibios_init(void)
 
 subsys_initcall(pcibios_init);
 
-char * __init
+char * __devinit
 pcibios_setup(char *str)
 {
 	return str;
@@ -204,7 +204,7 @@ pcibios_setup(char *str)
 #ifdef ALPHA_RESTORE_SRM_SETUP
 static struct pdev_srm_saved_conf *srm_saved_configs;
 
-void __init
+void __devinit
 pdev_save_srm_config(struct pci_dev *dev)
 {
 	struct pdev_srm_saved_conf *tmp;
@@ -247,14 +247,14 @@ pci_restore_srm_config(void)
 }
 #endif
 
-void __init
+void __devinit
 pcibios_fixup_resource(struct resource *res, struct resource *root)
 {
 	res->start += root->start;
 	res->end += root->start;
 }
 
-void __init
+void __devinit
 pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus)
 {
 	/* Update device resources.  */
@@ -273,7 +273,7 @@ pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus)
 	}
 }
 
-void __init
+void __devinit
 pcibios_fixup_bus(struct pci_bus *bus)
 {
 	/* Propagate hose info into the subordinate devices.  */
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 28c84e55feb9..e1c470752ebc 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -58,7 +58,7 @@ size_for_memory(unsigned long max)
 	return max;
 }
 
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
 iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
 		     unsigned long window_size, unsigned long align)
 {
@@ -117,7 +117,7 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
 	return arena;
 }
 
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
 iommu_arena_new(struct pci_controller *hose, dma_addr_t base,
 		unsigned long window_size, unsigned long align)
 {
@@ -207,6 +207,10 @@ iommu_arena_free(struct pci_iommu_arena *arena, long ofs, long n)
 		p[i] = 0;
 }
 
+/* True if the machine supports DAC addressing, and DEV can
+   make use of it given MASK.  */
+static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
+
 /* Map a single buffer of the indicated size for PCI DMA in streaming
    mode.  The 32-bit PCI bus mastering address to use is returned.
    Once the device is given the dma address, the device owns this memory
@@ -897,7 +901,7 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count)
 /* True if the machine supports DAC addressing, and DEV can
    make use of it given MASK.  */
 
-int
+static int
 pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
 {
 	dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
@@ -917,32 +921,6 @@ pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
 
 	return ok;
 }
-EXPORT_SYMBOL(pci_dac_dma_supported);
-
-dma64_addr_t
-pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page,
-		    unsigned long offset, int direction)
-{
-	return (alpha_mv.pci_dac_offset
-		+ __pa(page_address(page)) 
-		+ (dma64_addr_t) offset);
-}
-EXPORT_SYMBOL(pci_dac_page_to_dma);
-
-struct page *
-pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	unsigned long paddr = (dma_addr & PAGE_MASK) - alpha_mv.pci_dac_offset;
-	return virt_to_page(__va(paddr));
-}
-EXPORT_SYMBOL(pci_dac_dma_to_page);
-
-unsigned long
-pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	return (dma_addr & ~PAGE_MASK);
-}
-EXPORT_SYMBOL(pci_dac_dma_to_offset);
 
 /* Helper for generic DMA-mapping functions. */
 
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index 0cd060598f9a..83a781842266 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -315,9 +315,7 @@ do_sys_ptrace(long request, long pid, 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:
-		tmp = data;
-		copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 1);
-		ret = (copied == sizeof(tmp)) ? 0 : -EIO;
+		ret = generic_ptrace_pokedata(child, addr, data);
 		break;
 
 	case PTRACE_POKEUSR: /* write the specified register */
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 80cfb758ee2b..ad176441be55 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
+#include <linux/err.h>
 #include <linux/threads.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
@@ -65,7 +66,7 @@ enum ipi_message_type {
 };
 
 /* Set to a secondary's cpuid when it comes online.  */
-static int smp_secondary_alive __initdata = 0;
+static int smp_secondary_alive __devinitdata = 0;
 
 /* Which cpus ids came online.  */
 cpumask_t cpu_online_map;
@@ -173,7 +174,7 @@ smp_callin(void)
 }
 
 /* Wait until hwrpb->txrdy is clear for cpu.  Return -1 on timeout.  */
-static int __init
+static int __devinit
 wait_for_txrdy (unsigned long cpumask)
 {
 	unsigned long timeout;
@@ -358,7 +359,7 @@ secondary_cpu_start(int cpuid, struct task_struct *idle)
 /*
  * Bring one cpu online.
  */
-static int __init
+static int __cpuinit
 smp_boot_one_cpu(int cpuid)
 {
 	struct task_struct *idle;
@@ -487,7 +488,7 @@ smp_prepare_boot_cpu(void)
 {
 }
 
-int __devinit
+int __cpuinit
 __cpu_up(unsigned int cpu)
 {
 	smp_boot_one_cpu(cpu);
@@ -541,7 +542,7 @@ smp_percpu_timer_interrupt(struct pt_regs *regs)
 	set_irq_regs(old_regs);
 }
 
-int __init
+int
 setup_profiling_timer(unsigned int multiplier)
 {
 	return -EINVAL;
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 930cedc8be24..783f4e50c111 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -289,7 +289,7 @@ srm_console_device(struct console *co, int *index)
 	return srmcons_driver;
 }
 
-static int __init
+static int
 srm_console_setup(struct console *co, char *options)
 {
 	return 0;
diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c
index 0bcb968cb60a..922143ea1cdb 100644
--- a/arch/alpha/kernel/sys_marvel.c
+++ b/arch/alpha/kernel/sys_marvel.c
@@ -420,7 +420,7 @@ marvel_init_pci(void)
 		io7_clear_errors(io7);
 }
 
-static void
+static void __init
 marvel_init_rtc(void)
 {
 	init_rtc_irq();
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 1d3c1398c428..52c91ccc1648 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -271,6 +271,19 @@ titan_dispatch_irqs(u64 mask)
  * Titan Family
  */
 static void __init
+titan_request_irq(unsigned int irq, irq_handler_t handler,
+		  unsigned long irqflags, const char *devname,
+		  void *dev_id)
+{
+	int err;
+	err = request_irq(irq, handler, irqflags, devname, dev_id);
+	if (err) {
+		printk("titan_request_irq for IRQ %d returned %d; ignoring\n",
+		       irq, err);
+	}
+}
+
+static void __init
 titan_late_init(void)
 {
 	/*
@@ -278,15 +291,15 @@ titan_late_init(void)
 	 * all reported to the kernel as machine checks, so the handler
 	 * is a nop so it can be called to count the individual events.
 	 */
-	request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
 		    "CChip Error", NULL);
-	request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
 		    "PChip 0 H_Error", NULL);
-	request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
 		    "PChip 1 H_Error", NULL);
-	request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
 		    "PChip 0 C_Error", NULL);
-	request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
 		    "PChip 1 C_Error", NULL);
 
 	/* 
@@ -345,9 +358,9 @@ privateer_init_pci(void)
 	 * Hook a couple of extra err interrupts that the
 	 * common titan code won't.
 	 */
-	request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
 		    "NMI", NULL);
-	request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
+	titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
 		    "Temperature Warning", NULL);
 
 	/*
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 4748e14a28bc..1dd50d07693c 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -144,7 +144,7 @@ irqreturn_t timer_interrupt(int irq, void *dev)
 	return IRQ_HANDLED;
 }
 
-void
+void __init
 common_init_rtc(void)
 {
 	unsigned char x;
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index d6e665d567bd..ec0f05e0d8ff 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -184,6 +184,7 @@ die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15)
 #endif
 	printk("%s(%d): %s %ld\n", current->comm, current->pid, str, err);
 	dik_show_regs(regs, r9_15);
+	add_taint(TAINT_DIE);
 	dik_show_trace((unsigned long *)(regs+1));
 	dik_show_code((unsigned int *)regs->pc);
 
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index 449e76f118d3..7af07d3ad5f0 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -3,7 +3,7 @@
 OUTPUT_FORMAT("elf64-alpha")
 OUTPUT_ARCH(alpha)
 ENTRY(__start)
-PHDRS { kernel PT_LOAD ; }
+PHDRS { kernel PT_LOAD; note PT_NOTE; }
 jiffies = jiffies_64;
 SECTIONS
 {
@@ -15,6 +15,7 @@ SECTIONS
 
   _text = .;					/* Text and read-only data */
   .text : { 
+	*(.text.head)
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT
@@ -28,6 +29,9 @@ SECTIONS
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
 
+  NOTES :kernel :note
+  .dummy : { *(.dummy) } :kernel
+
   RODATA
 
   /* Will be freed after init */
@@ -69,10 +73,7 @@ SECTIONS
   . = ALIGN(8);
   SECURITY_INIT
 
-  . = ALIGN(8192);
-  __per_cpu_start = .;
-  .data.percpu : { *(.data.percpu) }
-  __per_cpu_end = .;
+  PERCPU(8192)
 
   . = ALIGN(2*8192);
   __init_end = .;