7 files changed, 17 insertions, 33 deletions

diff --git a/arch/avr32/include/asm/dma-mapping.h b/arch/avr32/include/asm/dma-mapping.h
index aaf5199d8fcb..b3d18f9f3e8d 100644
--- a/arch/avr32/include/asm/dma-mapping.h
+++ b/arch/avr32/include/asm/dma-mapping.h
@@ -336,4 +336,14 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+                           void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                  void *cpu_addr, dma_addr_t dma_addr,
+                                  size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif /* __ASM_AVR32_DMA_MAPPING_H */
diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h
index 9326d182e9e5..d875eb6a3f3c 100644
--- a/arch/avr32/include/asm/signal.h
+++ b/arch/avr32/include/asm/signal.h
@@ -23,16 +23,7 @@ typedef struct {
         unsigned long sig[_NSIG_WORDS];
 } sigset_t;
 
-struct sigaction {
-        __sighandler_t sa_handler;
-        unsigned long sa_flags;
-        __sigrestore_t sa_restorer;
-        sigset_t sa_mask;               /* mask last for extensibility */
-};
-
-struct k_sigaction {
-        struct sigaction sa;
-};
+#define __ARCH_HAS_SA_RESTORER
 
 #include <asm/sigcontext.h>
 #undef __HAVE_ARCH_SIG_BITOPS
diff --git a/arch/avr32/include/asm/unistd.h b/arch/avr32/include/asm/unistd.h
index 0bdf6371574e..dc4d5a931112 100644
--- a/arch/avr32/include/asm/unistd.h
+++ b/arch/avr32/include/asm/unistd.h
@@ -37,8 +37,6 @@
 #define __ARCH_WANT_SYS_GETPGRP
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_RT_SIGACTION
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
 #define __ARCH_WANT_SYS_CLONE
diff --git a/arch/avr32/include/uapi/asm/socket.h b/arch/avr32/include/uapi/asm/socket.h
index 486df68abeec..51c6401582ea 100644
--- a/arch/avr32/include/uapi/asm/socket.h
+++ b/arch/avr32/include/uapi/asm/socket.h
@@ -22,7 +22,7 @@
 #define SO_PRIORITY     12
 #define SO_LINGER       13
 #define SO_BSDCOMPAT    14
-/* To add :#define SO_REUSEPORT 15 */
+#define SO_REUSEPORT    15
 #define SO_PASSCRED     16
 #define SO_PEERCRED     17
 #define SO_RCVLOWAT     18
@@ -70,4 +70,6 @@
 /* Instruct lower device to use last 4-bytes of skb data as FCS */
 #define SO_NOFCS                43
 
+#define SO_LOCK_FILTER          44
+
 #endif /* __ASM_AVR32_SOCKET_H */
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 5e01c3a40ced..b80c0b3d2bab 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -21,12 +21,6 @@
 #include <asm/ucontext.h>
 #include <asm/syscalls.h>
 
-asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
-                               struct pt_regs *regs)
-{
-        return do_sigaltstack(uss, uoss, regs->sp);
-}
-
 struct rt_sigframe
 {
         struct siginfo info;
@@ -91,7 +85,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
         if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
                 goto badframe;
 
-        if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+        if (restore_altstack(&frame->uc.uc_stack))
                 goto badframe;
 
         pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n",
@@ -175,12 +169,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         /* Set up the ucontext */
         err |= __put_user(0, &frame->uc.uc_flags);
         err |= __put_user(NULL, &frame->uc.uc_link);
-        err |= __put_user((void __user *)current->sas_ss_sp,
-                          &frame->uc.uc_stack.ss_sp);
-        err |= __put_user(sas_ss_flags(regs->sp),
-                          &frame->uc.uc_stack.ss_flags);
-        err |= __put_user(current->sas_ss_size,
-                          &frame->uc.uc_stack.ss_size);
+        err |= __save_altstack(&frame->uc.uc_stack, regs->sp);
         err |= setup_sigcontext(&frame->uc.uc_mcontext, regs);
         err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
 
diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S
index 275aab9731fd..b5fc927cd398 100644
--- a/arch/avr32/kernel/syscall-stubs.S
+++ b/arch/avr32/kernel/syscall-stubs.S
@@ -20,12 +20,6 @@ __sys_rt_sigsuspend:
         mov     r10, sp
         rjmp    sys_rt_sigsuspend
 
-        .global __sys_sigaltstack
-        .type   __sys_sigaltstack,@function
-__sys_sigaltstack:
-        mov     r10, sp
-        rjmp    sys_sigaltstack
-
         .global __sys_rt_sigreturn
         .type   __sys_rt_sigreturn,@function
 __sys_rt_sigreturn:
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index f27bb878da6b..017a904180c8 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -115,7 +115,7 @@ sys_call_table:
         .long   sys_statfs
         .long   sys_fstatfs             /* 100 */
         .long   sys_vhangup
-        .long   __sys_sigaltstack
+        .long   sys_sigaltstack
         .long   sys_syslog
         .long   sys_setitimer
         .long   sys_getitimer           /* 105 */