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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (68 commits)
  [MIPS] remove Documentation/mips/GT64120.README
  [MIPS] Malta: remaining bits of the board support code cleanup
  [MIPS] Malta: make the helper function static
  [MIPS] Malta: fix braces at single statement blocks
  [MIPS] Malta, Atlas: move an extern function declaration to the header file
  [MIPS] Malta: Use C89 style for comments
  [MIPS] Malta: else should follow close brace in malta_int.c
  [MIPS] Malta: remove a superfluous comment
  [MIPS] Malta: include <linux/cpu.h> instead of <asm/cpu.h>
  [MIPS] Malta, Atlas, Sead: remove an extern from .c files
  [MIPS] Malta: fix oversized lines in malta_int.c
  [MIPS] Malta: remove a dead function declaration
  [MIPS] Malta: use tabs not spaces
  [MIPS] Malta: set up the screen info in a separate function
  [MIPS] Malta: check the PCI clock frequency in a separate function
  [MIPS] Malta: use the KERN_ facility level in printk()
  [MIPS] Malta: use Linux kernel style for structure initialization
  [MIPS]: constify function pointer tables
  [MIPS] compat: handle argument endianess of sys32_(f)truncate64 with merge_64
  [MIPS] Cobalt 64-bits kernels can be safely unmarked experimental
  ...

1 files changed, 23 insertions, 24 deletions

diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index af78456d4138..417bb3e336ac 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -18,6 +18,15 @@
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 
+static char bug64hit[] __initdata =
+        "reliable operation impossible!\n%s";
+static char nowar[] __initdata =
+        "Please report to <linux-mips@linux-mips.org>.";
+static char r4kwar[] __initdata =
+        "Enable CPU_R4000_WORKAROUNDS to rectify.";
+static char daddiwar[] __initdata =
+        "Enable CPU_DADDI_WORKAROUNDS to rectify.";
+
 static inline void align_mod(const int align, const int mod)
 {
         asm volatile(
@@ -155,13 +164,7 @@ static inline void check_mult_sh(void)
         }
 
         printk("no.\n");
-        panic("Reliable operation impossible!\n"
-#ifndef CONFIG_CPU_R4000
-              "Configure for R4000 to enable the workaround."
-#else
-              "Please report to <linux-mips@linux-mips.org>."
-#endif
-              );
+        panic(bug64hit, !R4000_WAR ? r4kwar : nowar);
 }
 
 static volatile int daddi_ov __initdata = 0;
@@ -233,15 +236,11 @@ static inline void check_daddi(void)
         }
 
         printk("no.\n");
-        panic("Reliable operation impossible!\n"
-#if !defined(CONFIG_CPU_R4000) && !defined(CONFIG_CPU_R4400)
-              "Configure for R4000 or R4400 to enable the workaround."
-#else
-              "Please report to <linux-mips@linux-mips.org>."
-#endif
-              );
+        panic(bug64hit, !DADDI_WAR ? daddiwar : nowar);
 }
 
+int daddiu_bug __initdata = -1;
+
 static inline void check_daddiu(void)
 {
         long v, w, tmp;
@@ -281,7 +280,9 @@ static inline void check_daddiu(void)
                 : "=&r" (v), "=&r" (w), "=&r" (tmp)
                 : "I" (0xffffffffffffdb9aUL), "I" (0x1234));
 
-        if (v == w) {
+        daddiu_bug = v != w;
+
+        if (!daddiu_bug) {
                 printk("no.\n");
                 return;
         }
@@ -303,18 +304,16 @@ static inline void check_daddiu(void)
         }
 
         printk("no.\n");
-        panic("Reliable operation impossible!\n"
-#if !defined(CONFIG_CPU_R4000) && !defined(CONFIG_CPU_R4400)
-              "Configure for R4000 or R4400 to enable the workaround."
-#else
-              "Please report to <linux-mips@linux-mips.org>."
-#endif
-              );
+        panic(bug64hit, !DADDI_WAR ? daddiwar : nowar);
 }
 
-void __init check_bugs64(void)
+void __init check_bugs64_early(void)
 {
         check_mult_sh();
-        check_daddi();
         check_daddiu();
 }
+
+void __init check_bugs64(void)
+{
+        check_daddi();
+}