Merge branch 'mipsr6-for-3.20' of git://git.linux-mips.org/pub/scm/mchandras/linux...

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index aaee9a0b89bf786974288d510fc01837942109bc..b3de8ec06e88ad16867442ebe00249c3bc42975e 100644 (file)
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -166,6 +166,16 @@ cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
 endif
 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
 cflags-$(CONFIG_CPU_BMIPS)     += -march=mips32 -Wa,-mips32 -Wa,--trap
+#
+# binutils from v2.25 on and gcc starting from v4.9.0 treat -march=loongson3a
+# as MIPS64 R1; older versions as just R1.  This leaves the possibility open
+# that GCC might generate R2 code for -march=loongson3a which then is rejected
+# by GAS.  The cc-option can't probe for this behaviour so -march=loongson3a
+# can't easily be used safely within the kbuild framework.
+#
+cflags-$(CONFIG_CPU_LOONGSON3)  +=                                     \
+       $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
+       -Wa,-mips64r2 -Wa,--trap
 
 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)

diff --git a/arch/mips/bcm3384/irq.c b/arch/mips/bcm3384/irq.c
index 0fb5134fb83247a2395162ffc3b93597cc7d7614..fd94fe849af680f3edc24a3dcb184c308fa0613e 100644 (file)
--- a/arch/mips/bcm3384/irq.c
+++ b/arch/mips/bcm3384/irq.c
@@ -180,7 +180,7 @@ static int __init intc_of_init(struct device_node *node,
 
 static struct of_device_id of_irq_ids[] __initdata = {
        { .compatible = "mti,cpu-interrupt-controller",
-         .data = mips_cpu_intc_init },
+         .data = mips_cpu_irq_of_init },
        { .compatible = "brcm,bcm3384-intc",
          .data = intc_of_init },
        {},

diff --git a/arch/mips/include/asm/siginfo.h b/arch/mips/include/asm/siginfo.h
deleted file mode 100644 (file)
index dd9a762..0000000
--- a/arch/mips/include/asm/siginfo.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
- * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
- */
-#ifndef _ASM_SIGINFO_H
-#define _ASM_SIGINFO_H
-
-#include <uapi/asm/siginfo.h>
-
-
-/*
- * Duplicated here because of <asm-generic/siginfo.h> braindamage ...
- */
-#include <linux/string.h>
-
-static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
-{
-       if (from->si_code < 0)
-               memcpy(to, from, sizeof(*to));
-       else
-               /* _sigchld is currently the largest know union member */
-               memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
-}
-
-#endif /* _ASM_SIGINFO_H */

diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index d08f83f19db566899298e41ac06bf53f3a757400..2cb7fdead5702a5c8b5f0522e0c9f3e8e4ee96ba 100644 (file)
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -15,13 +15,6 @@
 
 #define HAVE_ARCH_SIGINFO_T
 
-/*
- * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
- * by design ...
- */
-#define HAVE_ARCH_COPY_SIGINFO
-struct siginfo;
-
 /*
  * Careful to keep union _sifields from shifting ...
  */
@@ -35,8 +28,9 @@ struct siginfo;
 
 #define __ARCH_SIGSYS
 
-#include <asm-generic/siginfo.h>
+#include <uapi/asm-generic/siginfo.h>
 
+/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
 typedef struct siginfo {
        int si_signo;
        int si_code;
@@ -124,5 +118,6 @@ typedef struct siginfo {
 #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
 
+#include <asm-generic/siginfo.h>
 
 #endif /* _UAPI_ASM_SIGINFO_H */

diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index ac66c30c8cd6bcec0df50896123e652733b7ea6c..291af0b5c4828adaa22ff0fc065f37c6a094fd85 100644 (file)
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -14,6 +14,8 @@
 #include <linux/mm.h>
 #include <asm/uaccess.h>
 #include <asm/ftrace.h>
+#include <asm/fpu.h>
+#include <asm/msa.h>
 
 extern void *__bzero(void *__s, size_t __count);
 extern long __strncpy_from_kernel_nocheck_asm(char *__to,
@@ -31,6 +33,14 @@ extern long __strnlen_kernel_asm(const char *s);
 extern long __strnlen_user_nocheck_asm(const char *s);
 extern long __strnlen_user_asm(const char *s);
 
+/*
+ * Core architecture code
+ */
+EXPORT_SYMBOL_GPL(_save_fp);
+#ifdef CONFIG_CPU_HAS_MSA
+EXPORT_SYMBOL_GPL(_save_msa);
+#endif
+
 /*
  * String functions
  */