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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (22 commits)
  MIPS: Ignore vmlinux.*
  MIPS: Move vmlinux.ecoff to arch/mips/boot
  MIPS: cpumask_of_node() should handle -1 as a node
  MIPS: Octeon: Use non-overflowing arithmetic in sched_clock
  MIPS: Malta, PowerTV: Remove unnecessary "Linux started"
  MIPS: BCM63xx: Remove duplicate CONFIG_CMDLINE.
  MIPS: AR7: Remove unused prom_getchar()
  MIPS: PowerTV: Remove extra r4k_clockevent_init() call
  MIPS: Cobalt use strlcat() for the command line arguments
  MIPS: Octeon: Add sched_clock() to csrc-octeon.c
  MIPS: TXx9: Cleanup builtin-cmdline processing
  MIPS: PowerTV: simplify prom_init_cmdline() and merge into prom_init()
  MIPS: PowerTV: Remove unused platform_die()
  MIPS: PowerTV: Remove mips_machine_halt()
  MIPS: PowerTV: Remove unused ptv_memsize
  MIPS: PowerTV: Remove unused prom_getcmdline()
  MIPS: AR7: Remove kgdb_enabled
  MIPS: Alchemy: Correct code taking the size of a pointer
  MIPS: BCM63xx: Fix whitespace damaged board_bcm963xx.c
  MIPS: VR41xx: Use strlcat() for the command line arguments
  ...

25 files changed, 134 insertions, 354 deletions

diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c
index 19c1c82849f..5c68569344c 100644
--- a/arch/mips/alchemy/common/dbdma.c
+++ b/arch/mips/alchemy/common/dbdma.c
@@ -613,7 +613,7 @@ u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
         dma_cache_wback_inv((unsigned long)buf, nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
-        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
         ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer. */
@@ -676,7 +676,7 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
         dma_cache_inv((unsigned long)buf, nbytes);
         dp->dscr_cmd0 |= DSCR_CMD0_V;   /* Let it rip */
         au_sync();
-        dma_cache_wback_inv((unsigned long)dp, sizeof(dp));
+        dma_cache_wback_inv((unsigned long)dp, sizeof(*dp));
         ctp->chan_ptr->ddma_dbell = 0;
 
         /* Get next descriptor pointer. */
diff --git a/arch/mips/ar7/prom.c b/arch/mips/ar7/prom.c
index 5ad6f1db656..c1fdd368281 100644
--- a/arch/mips/ar7/prom.c
+++ b/arch/mips/ar7/prom.c
@@ -219,14 +219,6 @@ static void __init console_config(void)
         if (strstr(prom_getcmdline(), "console="))
                 return;
 
-#ifdef CONFIG_KGDB
-        if (!strstr(prom_getcmdline(), "nokgdb")) {
-                strcat(prom_getcmdline(), " console=kgdb");
-                kgdb_enabled = 1;
-                return;
-        }
-#endif
-
         s = prom_getenv("modetty0");
         if (s) {
                 baud = simple_strtoul(s, &p, 10);
@@ -280,13 +272,6 @@ static inline void serial_out(int offset, int value)
         writel(value, (void *)PORT(offset));
 }
 
-char prom_getchar(void)
-{
-        while (!(serial_in(UART_LSR) & UART_LSR_DR))
-                ;
-        return serial_in(UART_RX);
-}
-
 int prom_putchar(char c)
 {
         while ((serial_in(UART_LSR) & UART_LSR_TEMT) == 0)
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index 05a35cf5963..1fe412c4317 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -346,27 +346,26 @@ static struct board_info __initdata board_96348gw = {
 };
 
 static struct board_info __initdata board_FAST2404 = {
-        .name                           = "F@ST2404",
-        .expected_cpu_id                = 0x6348,
-
-        .has_enet0                      = 1,
-        .has_enet1                      = 1,
-        .has_pci                        = 1,
+        .name                           = "F@ST2404",
+        .expected_cpu_id                = 0x6348,
 
-        .enet0 = {
-                .has_phy                = 1,
-                .use_internal_phy       = 1,
-        },
+        .has_enet0                      = 1,
+        .has_enet1                      = 1,
+        .has_pci                        = 1,
 
-        .enet1 = {
-                .force_speed_100        = 1,
-                .force_duplex_full      = 1,
-        },
+        .enet0 = {
+                .has_phy                = 1,
+                .use_internal_phy       = 1,
+        },
 
+        .enet1 = {
+                .force_speed_100        = 1,
+                .force_duplex_full      = 1,
+        },
 
-        .has_ohci0 = 1,
-        .has_pccard = 1,
-        .has_ehci0 = 1,
+        .has_ohci0                      = 1,
+        .has_pccard                     = 1,
+        .has_ehci0                      = 1,
 };
 
 static struct board_info __initdata board_DV201AMR = {
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
index fb284fbc585..be252efa075 100644
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -40,9 +40,6 @@ void __init prom_init(void)
         reg &= ~mask;
         bcm_perf_writel(reg, PERF_CKCTL_REG);
 
-        /* assign command line from kernel config */
-        strcpy(arcs_cmdline, CONFIG_CMDLINE);
-
         /* register gpiochip */
         bcm63xx_gpio_init();
 
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore
index ba63401c6e1..4667a5f9280 100644
--- a/arch/mips/boot/.gitignore
+++ b/arch/mips/boot/.gitignore
@@ -1,4 +1,5 @@
 mkboot
 elf2ecoff
+vmlinux.*
 zImage
 zImage.tmp
diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile
index 094bc84765a..e39a08edcaa 100644
--- a/arch/mips/boot/Makefile
+++ b/arch/mips/boot/Makefile
@@ -28,7 +28,7 @@ VMLINUX = vmlinux
 all: vmlinux.ecoff vmlinux.srec
 
 vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX)
-        $(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS)
+        $(obj)/elf2ecoff $(VMLINUX) $(obj)/vmlinux.ecoff $(E2EFLAGS)
 
 $(obj)/elf2ecoff: $(obj)/elf2ecoff.c
         $(HOSTCC) -o $@ $^
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index e27f40bbd4e..671d3448fad 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -56,7 +56,7 @@ $(obj)/piggy.o: $(obj)/vmlinux.$(suffix_y) $(obj)/dummy.o
 LDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T
 vmlinuz: $(src)/ld.script $(obj-y) $(obj)/piggy.o
         $(call if_changed,ld)
-        $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) -R .comment -R .stab -R .stabstr -R .initrd -R .sysmap $@
+        $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) $@
 
 #
 # Some DECstations need all possible sections of an ECOFF executable
@@ -84,14 +84,11 @@ vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
 $(obj)/../elf2ecoff: $(src)/../elf2ecoff.c
         $(Q)$(HOSTCC) -o $@ $^
 
-drop-sections   = .reginfo .mdebug .comment .note .pdr .options .MIPS.options
-strip-flags     = $(addprefix --remove-section=,$(drop-sections))
-
-OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary $(strip-flags)
+OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
 vmlinuz.bin: vmlinuz
         $(call if_changed,objcopy)
 
-OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec $(strip-flags)
+OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
 vmlinuz.srec: vmlinuz
         $(call if_changed,objcopy)
 
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index 67330c2f731..e48fd72898a 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -28,8 +28,6 @@ char *zimage_start;
 
 /* The linker tells us where the image is. */
 extern unsigned char __image_begin, __image_end;
-extern unsigned char __ramdisk_begin, __ramdisk_end;
-unsigned long initrd_size;
 
 /* debug interfaces  */
 extern void puts(const char *s);
@@ -102,14 +100,6 @@ void decompress_kernel(unsigned long boot_heap_start)
         puthex((unsigned long)(zimage_size + zimage_start));
         puts("\n");
 
-        if (initrd_size) {
-                puts("initrd at:     ");
-                puthex((unsigned long)(&__ramdisk_begin));
-                puts(" ");
-                puthex((unsigned long)(&__ramdisk_end));
-                puts("\n");
-        }
-
         /* this area are prepared for mallocing when decompressing */
         free_mem_ptr = boot_heap_start;
         free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE;
diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script
index 29e9f4c0d5d..613a35b02f5 100644
--- a/arch/mips/boot/compressed/ld.script
+++ b/arch/mips/boot/compressed/ld.script
@@ -1,150 +1,67 @@
+/*
+ * ld.script for compressed kernel support of MIPS
+ *
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin <wuzj@lemote.com>
+ */
+
 OUTPUT_ARCH(mips)
 ENTRY(start)
 SECTIONS
 {
-  /* Read-only sections, merged into text segment: */
-  .init          : { *(.init)           } =0
-  .text      :
-  {
-    _ftext = . ;
-    *(.text)
-    *(.rodata)
-    *(.rodata1)
-    /* .gnu.warning sections are handled specially by elf32.em.  */
-    *(.gnu.warning)
-  } =0
-  .kstrtab : { *(.kstrtab) }
-
-  . = ALIGN(16);                /* Exception table */
-  __start___ex_table = .;
-  __ex_table : { *(__ex_table) }
-  __stop___ex_table = .;
-
-  __start___dbe_table = .;      /* Exception table for data bus errors */
-  __dbe_table : { *(__dbe_table) }
-  __stop___dbe_table = .;
-
-  __start___ksymtab = .;        /* Kernel symbol table */
-  __ksymtab : { *(__ksymtab) }
-  __stop___ksymtab = .;
-
-  _etext = .;
-
-  . = ALIGN(8192);
-  .data.init_task : { *(.data.init_task) }
-
-  /* Startup code */
-  . = ALIGN(4096);
-  __init_begin = .;
-  .text.init : { *(.text.init) }
-  .data.init : { *(.data.init) }
-  . = ALIGN(16);
-  __setup_start = .;
-  .setup.init : { *(.setup.init) }
-  __setup_end = .;
-  __initcall_start = .;
-  .initcall.init : { *(.initcall.init) }
-  __initcall_end = .;
-  . = ALIGN(4096);      /* Align double page for init_task_union */
-  __init_end = .;
-
-  . = ALIGN(4096);
-  .data.page_aligned : { *(.data.idt) }
-
-  . = ALIGN(32);
-  .data.cacheline_aligned : { *(.data.cacheline_aligned) }
+        /* . = VMLINUZ_LOAD_ADDRESS */
+        /* read-only */
+        _text = .;      /* Text and read-only data */
+        .text   : {
+                _ftext = . ;
+                *(.text)
+                *(.rodata)
+        } = 0
+        _etext = .;     /* End of text section */
 
-  .fini      : { *(.fini)    } =0
-  .reginfo : { *(.reginfo) }
-  /* Adjust the address for the data segment.  We want to adjust up to
-     the same address within the page on the next page up.  It would
-     be more correct to do this:
-       . = .;
-     The current expression does not correctly handle the case of a
-     text segment ending precisely at the end of a page; it causes the
-     data segment to skip a page.  The above expression does not have
-     this problem, but it will currently (2/95) cause BFD to allocate
-     a single segment, combining both text and data, for this case.
-     This will prevent the text segment from being shared among
-     multiple executions of the program; I think that is more
-     important than losing a page of the virtual address space (note
-     that no actual memory is lost; the page which is skipped can not
-     be referenced).  */
-  . = .;
-  .data    :
-  {
-    _fdata = . ;
-    *(.data)
+        /* writable */
+        .data   : {     /* Data */
+                _fdata = . ;
+                *(.data)
+                /* Put the compressed image here, so bss is on the end. */
+                __image_begin = .;
+                *(.image)
+                __image_end = .;
+                CONSTRUCTORS
+        }
+        .sdata  : { *(.sdata) }
+        . = ALIGN(4);
+        _edata  =  .;   /* End of data section */
 
-   /* Put the compressed image here, so bss is on the end. */
-   __image_begin = .;
-   *(.image)
-   __image_end = .;
-   /* Align the initial ramdisk image (INITRD) on page boundaries. */
-   . = ALIGN(4096);
-   __ramdisk_begin = .;
-   *(.initrd)
-   __ramdisk_end = .;
-   . = ALIGN(4096);
+        /* BSS */
+        __bss_start = .;
+        _fbss = .;
+        .sbss   : { *(.sbss) *(.scommon) }
+        .bss    : {
+                *(.dynbss)
+                *(.bss)
+                *(COMMON)
+        }
+        .  = ALIGN(4);
+        _end = . ;
 
-    CONSTRUCTORS
-  }
-  .data1   : { *(.data1) }
-  _gp = . + 0x8000;
-  .lit8 : { *(.lit8) }
-  .lit4 : { *(.lit4) }
-  .ctors         : { *(.ctors)   }
-  .dtors         : { *(.dtors)   }
-  .got           : { *(.got.plt) *(.got) }
-  .dynamic       : { *(.dynamic) }
-  /* We want the small data sections together, so single-instruction offsets
-     can access them all, and initialized data all before uninitialized, so
-     we can shorten the on-disk segment size.  */
-  .sdata     : { *(.sdata) }
-  . = ALIGN(4);
-  _edata  =  .;
-  PROVIDE (edata = .);
+        /* These are needed for ELF backends which have not yet been converted
+         * to the new style linker.  */
 
-  __bss_start = .;
-  _fbss = .;
-  .sbss      : { *(.sbss) *(.scommon) }
-  .bss       :
-  {
-   *(.dynbss)
-   *(.bss)
-   *(COMMON)
-   .  = ALIGN(4);
-  _end = . ;
-  PROVIDE (end = .);
-  }
+        .stab 0 : { *(.stab) }
+        .stabstr 0 : { *(.stabstr) }
 
-  /* Sections to be discarded */
-  /DISCARD/ :
-  {
-        *(.text.exit)
-        *(.data.exit)
-        *(.exitcall.exit)
-  }
+        /* These must appear regardless of  .  */
+        .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
+        .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
 
-  /* This is the MIPS specific mdebug section.  */
-  .mdebug : { *(.mdebug) }
-  /* These are needed for ELF backends which have not yet been
-     converted to the new style linker.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  /* DWARF debug sections.
-     Symbols in the .debug DWARF section are relative to the beginning of the
-     section so we begin .debug at 0.  It's not clear yet what needs to happen
-     for the others.   */
-  .debug          0 : { *(.debug) }
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
-  /* These must appear regardless of  .  */
-  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
-  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
-  .comment : { *(.comment) }
-  .note : { *(.note) }
+        /* Sections to be discarded */
+        /DISCARD/       : {
+                *(.MIPS.options)
+                *(.options)
+                *(.pdr)
+                *(.reginfo)
+                *(.comment)
+                *(.note)
+        }
 }
diff --git a/arch/mips/cavium-octeon/csrc-octeon.c b/arch/mips/cavium-octeon/csrc-octeon.c
index 96110f217dc..0bf4bbe04ae 100644
--- a/arch/mips/cavium-octeon/csrc-octeon.c
+++ b/arch/mips/cavium-octeon/csrc-octeon.c
@@ -50,6 +50,38 @@ static struct clocksource clocksource_mips = {
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+unsigned long long notrace sched_clock(void)
+{
+        /* 64-bit arithmatic can overflow, so use 128-bit.  */
+#if (__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ <= 3))
+        u64 t1, t2, t3;
+        unsigned long long rv;
+        u64 mult = clocksource_mips.mult;
+        u64 shift = clocksource_mips.shift;
+        u64 cnt = read_c0_cvmcount();
+
+        asm (
+                "dmultu\t%[cnt],%[mult]\n\t"
+                "nor\t%[t1],$0,%[shift]\n\t"
+                "mfhi\t%[t2]\n\t"
+                "mflo\t%[t3]\n\t"
+                "dsll\t%[t2],%[t2],1\n\t"
+                "dsrlv\t%[rv],%[t3],%[shift]\n\t"
+                "dsllv\t%[t1],%[t2],%[t1]\n\t"
+                "or\t%[rv],%[t1],%[rv]\n\t"
+                : [rv] "=&r" (rv), [t1] "=&r" (t1), [t2] "=&r" (t2), [t3] "=&r" (t3)
+                : [cnt] "r" (cnt), [mult] "r" (mult), [shift] "r" (shift)
+                : "hi", "lo");
+        return rv;
+#else
+        /* GCC > 4.3 do it the easy way.  */
+        unsigned int __attribute__((mode(TI))) t;
+        t = read_c0_cvmcount();
+        t = t * clocksource_mips.mult;
+        return (unsigned long long)(t >> clocksource_mips.shift);
+#endif
+}
+
 void __init plat_time_init(void)
 {
         clocksource_mips.rating = 300;
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
index b5164422724..ec3b2c417f7 100644
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -97,26 +97,18 @@ void __init plat_mem_setup(void)
 
 void __init prom_init(void)
 {
-        int narg, indx, posn, nchr;
         unsigned long memsz;
+        int argc, i;
         char **argv;
 
         memsz = fw_arg0 & 0x7fff0000;
-        narg = fw_arg0 & 0x0000ffff;
-
-        if (narg) {
-                arcs_cmdline[0] = '\0';
-                argv = (char **) fw_arg1;
-                posn = 0;
-                for (indx = 1; indx < narg; ++indx) {
-                        nchr = strlen(argv[indx]);
-                        if (posn + 1 + nchr + 1 > sizeof(arcs_cmdline))
-                                break;
-                        if (posn)
-                                arcs_cmdline[posn++] = ' ';
-                        strcpy(arcs_cmdline + posn, argv[indx]);
-                        posn += nchr;
-                }
+        argc = fw_arg0 & 0x0000ffff;
+        argv = (char **)fw_arg1;
+
+        for (i = 1; i < argc; i++) {
+                strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
+                if (i < (argc - 1))
+                        strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
         }
 
         add_memory_region(0x0, memsz, BOOT_MEM_RAM);
diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index 09a59bcc1b0..1b1a7d1632b 100644
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -24,7 +24,9 @@ extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
 
 #define cpu_to_node(cpu)        (sn_cpu_info[(cpu)].p_nodeid)
 #define parent_node(node)       (node)
-#define cpumask_of_node(node)   (&hub_data(node)->h_cpus)
+#define cpumask_of_node(node)   ((node) == -1 ?                         \
+                                 cpu_all_mask :                         \
+                                 &hub_data(node)->h_cpus)
 struct pci_bus;
 extern int pcibus_to_node(struct pci_bus *);
 
diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c
index 0824f6af477..55f22a3afe6 100644
--- a/arch/mips/mipssim/sim_setup.c
+++ b/arch/mips/mipssim/sim_setup.c
@@ -49,9 +49,6 @@ void __init plat_mem_setup(void)
         set_io_port_base(0xbfd00000);
 
         serial_init();
-
-        pr_info("Linux started...\n");
-
 }
 
 extern struct plat_smp_ops ssmtc_smp_ops;
@@ -60,7 +57,6 @@ void __init prom_init(void)
 {
         set_io_port_base(0xbfd00000);
 
-        pr_info("\nLINUX started...\n");
         prom_meminit();
 
 #ifdef CONFIG_MIPS_MT_SMP
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 3d0baa4a842..badcf5e8d69 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -73,9 +73,6 @@ static int __cpuinit m4kc_tlbp_war(void)
 enum label_id {
         label_second_part = 1,
         label_leave,
-#ifdef MODULE_START
-        label_module_alloc,
-#endif
         label_vmalloc,
         label_vmalloc_done,
         label_tlbw_hazard,
@@ -92,9 +89,6 @@ enum label_id {
 
 UASM_L_LA(_second_part)
 UASM_L_LA(_leave)
-#ifdef MODULE_START
-UASM_L_LA(_module_alloc)
-#endif
 UASM_L_LA(_vmalloc)
 UASM_L_LA(_vmalloc_done)
 UASM_L_LA(_tlbw_hazard)
@@ -818,8 +812,6 @@ static void __cpuinit build_r4000_tlb_refill_handler(void)
         } else {
 #if defined(CONFIG_HUGETLB_PAGE)
                 const enum label_id ls = label_tlb_huge_update;
-#elif defined(MODULE_START)
-                const enum label_id ls = label_module_alloc;
 #else
                 const enum label_id ls = label_vmalloc;
 #endif
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index f1b14c8a4a1..414f0c99b19 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -355,7 +355,6 @@ void __init prom_init(void)
         board_nmi_handler_setup = mips_nmi_setup;
         board_ejtag_handler_setup = mips_ejtag_setup;
 
-        pr_info("\nLINUX started...\n");
         prom_init_cmdline();
         prom_meminit();
 #ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/mips/powertv/Makefile b/arch/mips/powertv/Makefile
index 2c516718aff..0a0d73c0564 100644
--- a/arch/mips/powertv/Makefile
+++ b/arch/mips/powertv/Makefile
@@ -23,6 +23,6 @@
 # under Linux.
 #
 
-obj-y += cmdline.o init.o memory.o reset.o time.o powertv_setup.o asic/ pci/
+obj-y += init.o memory.o reset.o time.o powertv_setup.o asic/ pci/
 
 EXTRA_CFLAGS += -Wall -Werror
diff --git a/arch/mips/powertv/cmdline.c b/arch/mips/powertv/cmdline.c
deleted file mode 100644
index 98d73cb0d45..00000000000
--- a/arch/mips/powertv/cmdline.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- * Portions copyright (C) 2009 Cisco Systems, Inc.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Kernel command line creation using the prom monitor (YAMON) argc/argv.
- */
-#include <linux/init.h>
-#include <linux/string.h>
-
-#include <asm/bootinfo.h>
-
-#include "init.h"
-
-/*
- * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
- * This macro take care of sign extension.
- */
-#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
-
-char * __init prom_getcmdline(void)
-{
-        return &(arcs_cmdline[0]);
-}
-
-void  __init prom_init_cmdline(void)
-{
-        int len;
-
-        if (prom_argc != 1)
-                return;
-
-        len = strlen(arcs_cmdline);
-
-        arcs_cmdline[len] = ' ';
-
-        strlcpy(arcs_cmdline + len + 1, (char *)_prom_argv,
-                COMMAND_LINE_SIZE - len - 1);
-}
diff --git a/arch/mips/powertv/init.c b/arch/mips/powertv/init.c
index 5f4e4c304e4..0afe227f1d0 100644
--- a/arch/mips/powertv/init.c
+++ b/arch/mips/powertv/init.c
@@ -34,10 +34,7 @@
 #include <asm/mips-boards/generic.h>
 #include <asm/mach-powertv/asic.h>
 
-#include "init.h"
-
-int prom_argc;
-int *_prom_argv, *_prom_envp;
+static int *_prom_envp;
 unsigned long _prom_memsize;
 
 /*
@@ -109,16 +106,20 @@ static void __init mips_ejtag_setup(void)
 
 void __init prom_init(void)
 {
+        int prom_argc;
+        char *prom_argv;
+
         prom_argc = fw_arg0;
-        _prom_argv = (int *) fw_arg1;
+        prom_argv = (char *) fw_arg1;
         _prom_envp = (int *) fw_arg2;
         _prom_memsize = (unsigned long) fw_arg3;
 
         board_nmi_handler_setup = mips_nmi_setup;
         board_ejtag_handler_setup = mips_ejtag_setup;
 
-        pr_info("\nLINUX started...\n");
-        prom_init_cmdline();
+        if (prom_argc == 1)
+                strlcat(arcs_cmdline, prom_argv, COMMAND_LINE_SIZE);
+
         configure_platform();
         prom_meminit();
 
diff --git a/arch/mips/powertv/init.h b/arch/mips/powertv/init.h
index 7af6bf25008..b194c34ca96 100644
--- a/arch/mips/powertv/init.h
+++ b/arch/mips/powertv/init.h
@@ -22,7 +22,5 @@
 
 #ifndef _POWERTV_INIT_H
 #define _POWERTV_INIT_H
-extern int prom_argc;
-extern int *_prom_argv;
 extern unsigned long _prom_memsize;
 #endif
diff --git a/arch/mips/powertv/memory.c b/arch/mips/powertv/memory.c
index 28d06605fff..f49eb3d0358 100644
--- a/arch/mips/powertv/memory.c
+++ b/arch/mips/powertv/memory.c
@@ -42,8 +42,6 @@
 #define BOOT_MEM_SIZE           KIBIBYTE(256)   /* Memory reserved for bldr */
 #define PHYS_MEM_START          0x10000000      /* Start of physical memory */
 
-unsigned long ptv_memsize;
-
 char __initdata cmdline[COMMAND_LINE_SIZE];
 
 void __init prom_meminit(void)
@@ -87,9 +85,6 @@ void __init prom_meminit(void)
                 }
         }
 
-        /* Store memsize for diagnostic purposes */
-        ptv_memsize = memsize;
-
         physend = PFN_ALIGN(&_end) - 0x80000000;
         if (memsize > LOW_MEM_MAX) {
                 low_mem = LOW_MEM_MAX;
diff --git a/arch/mips/powertv/powertv_setup.c b/arch/mips/powertv/powertv_setup.c
index bd8ebf128f2..698b1eafbe9 100644
--- a/arch/mips/powertv/powertv_setup.c
+++ b/arch/mips/powertv/powertv_setup.c
@@ -64,9 +64,6 @@
 #define REG_SIZE        "4"             /* In bytes */
 #endif
 
-static struct pt_regs die_regs;
-static bool have_die_regs;
-
 static void register_panic_notifier(void);
 static int panic_handler(struct notifier_block *notifier_block,
         unsigned long event, void *cause_string);
@@ -218,24 +215,6 @@ static int panic_handler(struct notifier_block *notifier_block,
         return NOTIFY_DONE;
 }
 
-/**
- * Platform-specific handling of oops
- * @str:        Pointer to the oops string
- * @regs:       Pointer to the oops registers
- * All we do here is to save the registers for subsequent printing through
- * the panic notifier.
- */
-void platform_die(const char *str, const struct pt_regs *regs)
-{
-        /* If we already have saved registers, don't overwrite them as they
-         * they apply to the initial fault */
-
-        if (!have_die_regs) {
-                have_die_regs = true;
-                die_regs = *regs;
-        }
-}
-
 /* Information about the RF MAC address, if one was supplied on the
  * command line. */
 static bool have_rfmac;
diff --git a/arch/mips/powertv/reset.c b/arch/mips/powertv/reset.c
index 494c652c984..0007652cb77 100644
--- a/arch/mips/powertv/reset.c
+++ b/arch/mips/powertv/reset.c
@@ -28,9 +28,6 @@
 #include <asm/mach-powertv/asic_regs.h>
 #include "reset.h"
 
-static void mips_machine_restart(char *command);
-static void mips_machine_halt(void);
-
 static void mips_machine_restart(char *command)
 {
 #ifdef CONFIG_BOOTLOADER_DRIVER
@@ -44,22 +41,7 @@ static void mips_machine_restart(char *command)
 #endif
 }
 
-static void mips_machine_halt(void)
-{
-#ifdef CONFIG_BOOTLOADER_DRIVER
-        /*
-         * Call the bootloader's reset function to ensure
-         * that persistent data is flushed before hard reset
-         */
-        kbldr_SetCauseAndReset();
-#else
-        writel(0x1, asic_reg_addr(watchdog));
-#endif
-}
-
 void mips_reboot_setup(void)
 {
         _machine_restart = mips_machine_restart;
-        _machine_halt = mips_machine_halt;
-        pm_power_off = mips_machine_halt;
 }
diff --git a/arch/mips/powertv/time.c b/arch/mips/powertv/time.c
index 1e0a5ef4c8c..9fd7b67f2af 100644
--- a/arch/mips/powertv/time.c
+++ b/arch/mips/powertv/time.c
@@ -33,5 +33,4 @@ unsigned int __cpuinit get_c0_compare_int(void)
 void __init plat_time_init(void)
 {
         powertv_clocksource_init();
-        r4k_clockevent_init();
 }
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 06e801c7e25..e27809b6d04 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -160,7 +160,6 @@ static void __init prom_init_cmdline(void)
         int argc;
         int *argv32;
         int i;                  /* Always ignore the "-c" at argv[0] */
-        static char builtin[COMMAND_LINE_SIZE] __initdata;
 
         if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) {
                 /*
@@ -174,20 +173,6 @@ static void __init prom_init_cmdline(void)
                 argv32 = (int *)fw_arg1;
         }
 
-        /* ignore all built-in args if any f/w args given */
-        /*
-         * But if built-in strings was started with '+', append them
-         * to command line args.  If built-in was started with '-',
-         * ignore all f/w args.
-         */
-        builtin[0] = '\0';
-        if (arcs_cmdline[0] == '+')
-                strcpy(builtin, arcs_cmdline + 1);
-        else if (arcs_cmdline[0] == '-') {
-                strcpy(builtin, arcs_cmdline + 1);
-                argc = 0;
-        } else if (argc <= 1)
-                strcpy(builtin, arcs_cmdline);
         arcs_cmdline[0] = '\0';
 
         for (i = 1; i < argc; i++) {
@@ -201,12 +186,6 @@ static void __init prom_init_cmdline(void)
                 } else
                         strcat(arcs_cmdline, str);
         }
-        /* append saved builtin args */
-        if (builtin[0]) {
-                if (arcs_cmdline[0])
-                        strcat(arcs_cmdline, " ");
-                strcat(arcs_cmdline, builtin);
-        }
 }
 
 static int txx9_ic_disable __initdata;
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
index 1386e6f081c..23916321cc1 100644
--- a/arch/mips/vr41xx/common/init.c
+++ b/arch/mips/vr41xx/common/init.c
@@ -1,7 +1,7 @@
 /*
  *  init.c, Common initialization routines for NEC VR4100 series.
  *
- *  Copyright (C) 2003-2008  Yoichi Yuasa <yuasa@linux-mips.org>
+ *  Copyright (C) 2003-2009  Yoichi Yuasa <yuasa@linux-mips.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -66,9 +66,9 @@ void __init prom_init(void)
         argv = (char **)fw_arg1;
 
         for (i = 1; i < argc; i++) {
-                strcat(arcs_cmdline, argv[i]);
+                strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
                 if (i < (argc - 1))
-                        strcat(arcs_cmdline, " ");
+                        strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
         }
 }