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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (33 commits)
  MIPS: lemote/lm2e: Added io_map_base to pci controller
  MIPS: TXx9: Make firmware parameter passing more robust
  MIPS: Markeins: Remove unnecessary define and cleanup comments, etc.
  MIPS: Markeins: Extract ll_emma2rh_* functions
  MIPS: Markeins: Remove runtime debug prints
  MIPS: EMMA: Fold arch/mips/emma/{common,markeins}/irq*.c into markeins/irq.c
  MIPS: EMMA2RH: Remove emma2rh_gpio_irq_base
  MIPS: EMMA2RH: Remove emma2rh_sw_irq_base
  MIPS: EMMA2RH: Remove emma2rh_irq_base global variable
  MIPS: EMMA2RH: Remove emma2rh_sync on read operation
  MIPS: EMMA: Move <asm/emma2rh> to <asm/emma> dir
  MIPS: EMMA: Move arch/mips/emma2rh/ into arch/mips/emma/
  MIPS: EMMA: Kconfig reorganization
  MIPS: Add CONFIG_CPU_R5500 for NEC VR5500 series processors
  MIPS: RB532: Disable the right device
  MIPS: Add support for NXP PNX833x (STB222/5) into linux kernel
  MIPS: TXx9: CONFIG_TOSHIBA_RBTX4939 spelling
  MIPS: Fix KGDB build error
  INPUT: sgi_btns: Add license specification
  MIPS: IP22: ip22-int.c header file weeding.
  ...

6 files changed, 14 insertions, 11 deletions

diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index d9da7112aaf8..b1372c27f136 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_CPU_R4X00)		+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R5000)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R6000)         += r6000_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R5432)         += r4k_fpu.o r4k_switch.o
+obj-$(CONFIG_CPU_R5500)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R8000)         += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_RM7000)        += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_RM9000)        += r4k_fpu.o r4k_switch.o
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 5e75a316f6b1..759f68066b5d 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -180,7 +180,7 @@ bad_stack:
          * The system call does not exist in this kernel
          */
 illegal_syscall:
-        li      v0, -ENOSYS                     # error
+        li      v0, ENOSYS                      # error
         sw      v0, PT_R2(sp)
         li      t0, 1                           # set error flag
         sw      t0, PT_R7(sp)
@@ -293,7 +293,7 @@ bad_alignment:
         jr      t2
         /* Unreached */
 
-einval: li      v0, -EINVAL
+einval: li      v0, -ENOSYS
         jr      ra
         END(sys_syscall)
 
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 3d58204c9d44..a9e171618994 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -117,7 +117,7 @@ syscall_trace_entry:
 
 illegal_syscall:
         /* This also isn't a 64-bit syscall, throw an error.  */
-        li      v0, -ENOSYS                     # error
+        li      v0, ENOSYS                      # error
         sd      v0, PT_R2(sp)
         li      t0, 1                           # set error flag
         sd      t0, PT_R7(sp)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 16f8edfe5cdc..4430a1f8fdf1 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -601,8 +601,8 @@ static int __init debugfs_mips(void)
         struct dentry *d;
 
         d = debugfs_create_dir("mips", NULL);
-        if (IS_ERR(d))
-                return PTR_ERR(d);
+        if (!d)
+                return -ENOMEM;
         mips_debugfs_dir = d;
         return 0;
 }
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 7b59cfb7e602..b79ea7055ec3 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -163,8 +163,10 @@ static void stop_this_cpu(void *dummy)
          * Remove this CPU:
          */
         cpu_clear(smp_processor_id(), cpu_online_map);
-        local_irq_enable();     /* May need to service _machine_restart IPI */
-        for (;;);               /* Wait if available. */
+        for (;;) {
+                if (cpu_wait)
+                        (*cpu_wait)();          /* Wait if available. */
+        }
 }
 
 void smp_send_stop(void)
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index c327b21bca81..20709669e592 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -560,12 +560,12 @@ static int __init debugfs_unaligned(void)
                 return -ENODEV;
         d = debugfs_create_u32("unaligned_instructions", S_IRUGO,
                                mips_debugfs_dir, &unaligned_instructions);
-        if (IS_ERR(d))
-                return PTR_ERR(d);
+        if (!d)
+                return -ENOMEM;
         d = debugfs_create_u32("unaligned_action", S_IRUGO | S_IWUSR,
                                mips_debugfs_dir, &unaligned_action);
-        if (IS_ERR(d))
-                return PTR_ERR(d);
+        if (!d)
+                return -ENOMEM;
         return 0;
 }
 __initcall(debugfs_unaligned);