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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-27 09:14:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-27 09:14:07 -0700
commit074fcab574a36edec35d2e74955250f2e17d6000 (patch)
tree390ae7918c13494108f3c59ea137efb0647ee4e5
parentc94b4321ebde51a80a805f7a5e102ac083ae2ac9 (diff)
parenta2a395256134a24d906d5e67e03e853c580b37ed (diff)
Merge branch 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
* 'avr32-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: Fix bug in early resource allocation code avr32: Build fix for CONFIG_BUG=n avr32: Work around byteswap bug in gcc < 4.2
-rw-r--r--arch/avr32/kernel/setup.c1
-rw-r--r--arch/avr32/kernel/traps.c4
-rw-r--r--include/asm-avr32/byteorder.h6
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index e66a07a928c..2687b730e2d 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -163,6 +163,7 @@ add_reserved_region(resource_size_t start, resource_size_t end,
new->start = start;
new->end = end;
new->name = name;
+ new->sibling = next;
new->flags = IORESOURCE_MEM;
*pprev = new;
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index cf6f686d9b0..b835c4c0136 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -178,6 +178,7 @@ static int do_cop_absent(u32 insn)
return 0;
}
+#ifdef CONFIG_BUG
int is_valid_bugaddr(unsigned long pc)
{
unsigned short opcode;
@@ -189,6 +190,7 @@ int is_valid_bugaddr(unsigned long pc)
return opcode == AVR32_BUG_OPCODE;
}
+#endif
asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
{
@@ -197,6 +199,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
void __user *pc;
long code;
+#ifdef CONFIG_BUG
if (!user_mode(regs) && (ecr == ECR_ILLEGAL_OPCODE)) {
enum bug_trap_type type;
@@ -211,6 +214,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
die("Kernel BUG", regs, SIGKILL);
}
}
+#endif
local_irq_enable();
diff --git a/include/asm-avr32/byteorder.h b/include/asm-avr32/byteorder.h
index 402ff4125cd..d77b48ba733 100644
--- a/include/asm-avr32/byteorder.h
+++ b/include/asm-avr32/byteorder.h
@@ -12,8 +12,14 @@ extern unsigned long __builtin_bswap_32(unsigned long x);
extern unsigned short __builtin_bswap_16(unsigned short x);
#endif
+/*
+ * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends
+ * the result.
+ */
+#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
#define __arch__swab32(x) __builtin_bswap_32(x)
#define __arch__swab16(x) __builtin_bswap_16(x)
+#endif
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
# define __BYTEORDER_HAS_U64__