4 files changed, 19 insertions, 15 deletions
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index a39250cb7..d3f23ed57 100644
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -83,26 +83,28 @@
 	 * version takes two arguments: a src and destination register.
 	 * However, the source and destination registers can not be
 	 * the same register.
+	 *
+	 * We use add,l to avoid clobbering the C/B bits in the PSW.
 	 */
 
 	.macro  tophys  grvirt, grphys
-	ldil    L%(__PAGE_OFFSET), \grphys
-	sub     \grvirt, \grphys, \grphys
+	ldil    L%(-__PAGE_OFFSET), \grphys
+	addl    \grvirt, \grphys, \grphys
 	.endm
-	
+
 	.macro  tovirt  grphys, grvirt
 	ldil    L%(__PAGE_OFFSET), \grvirt
-	add     \grphys, \grvirt, \grvirt
+	addl    \grphys, \grvirt, \grvirt
 	.endm
 
 	.macro  tophys_r1  gr
-	ldil    L%(__PAGE_OFFSET), %r1
-	sub     \gr, %r1, \gr
+	ldil    L%(-__PAGE_OFFSET), %r1
+	addl    \gr, %r1, \gr
 	.endm
-	
+
 	.macro  tovirt_r1  gr
 	ldil    L%(__PAGE_OFFSET), %r1
-	add     \gr, %r1, \gr
+	addl    \gr, %r1, \gr
 	.endm
 
 	.macro delay value
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h
index 3c43baca7..2aceebcd6 100644
--- a/arch/parisc/include/asm/checksum.h
+++ b/arch/parisc/include/asm/checksum.h
@@ -40,7 +40,7 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
 "	addc		%0, %5, %0\n"
 "	addc		%0, %3, %0\n"
 "1:	ldws,ma		4(%1), %3\n"
-"	addib,<		0, %2, 1b\n"
+"	addib,>		-1, %2, 1b\n"
 "	addc		%0, %3, %0\n"
 "\n"
 "	extru		%0, 31, 16, %4\n"
@@ -126,6 +126,7 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 	** Try to keep 4 registers with "live" values ahead of the ALU.
 	*/
 
+"	depdi		0, 31, 32, %0\n"/* clear upper half of incoming checksum */
 "	ldd,ma		8(%1), %4\n"	/* get 1st saddr word */
 "	ldd,ma		8(%2), %5\n"	/* get 1st daddr word */
 "	add		%4, %0, %0\n"
@@ -137,8 +138,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 "	add,dc		%3, %0, %0\n"  /* fold in proto+len | carry bit */
 "	extrd,u		%0, 31, 32, %4\n"/* copy upper half down */
 "	depdi		0, 31, 32, %0\n"/* clear upper half */
-"	add		%4, %0, %0\n"	/* fold into 32-bits */
-"	addc		0, %0, %0\n"	/* add carry */
+"	add,dc		%4, %0, %0\n"	/* fold into 32-bits, plus carry */
+"	addc		0, %0, %0\n"	/* add final carry */
 
 #else
 
@@ -163,7 +164,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 "	ldw,ma		4(%2), %7\n"	/* 4th daddr */
 "	addc		%6, %0, %0\n"
 "	addc		%7, %0, %0\n"
-"	addc		%3, %0, %0\n"	/* fold in proto+len, catch carry */
+"	addc		%3, %0, %0\n"	/* fold in proto+len */
+"	addc		0, %0, %0\n"	/* add carry */
 
 #endif
 	: "=r" (sum), "=r" (saddr), "=r" (daddr), "=r" (len),
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 7ed28ddca..25050b0ab 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -123,10 +123,10 @@ static unsigned long f_extend(unsigned long address)
 #ifdef CONFIG_64BIT
 	if(unlikely(parisc_narrow_firmware)) {
 		if((address & 0xff000000) == 0xf0000000)
-			return 0xf0f0f0f000000000UL | (u32)address;
+			return (0xfffffff0UL << 32) | (u32)address;
 
 		if((address & 0xf0000000) == 0xf0000000)
-			return 0xffffffff00000000UL | (u32)address;
+			return (0xffffffffUL << 32) | (u32)address;
 	}
 #endif
 	return address;
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 63e3ecb9d..8538425cc 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -81,7 +81,7 @@ void notrace __hot ftrace_function_trampoline(unsigned long parent,
 #endif
 }
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_FUNCTION_GRAPH_TRACER)
 int ftrace_enable_ftrace_graph_caller(void)
 {
 	return 0;