7 files changed, 35 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 42c8ed6ed52..c2b84c64db2 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -412,6 +412,12 @@ struct irq_map_entry irq_map[NR_IRQS];
 static unsigned int irq_virq_count = NR_IRQS;
 static struct irq_host *irq_default_host;
 
+irq_hw_number_t virq_to_hw(unsigned int virq)
+{
+	return irq_map[virq].hwirq;
+}
+EXPORT_SYMBOL_GPL(virq_to_hw);
+
 struct irq_host *irq_alloc_host(unsigned int revmap_type,
 				unsigned int revmap_arg,
 				struct irq_host_ops *ops,
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index e66064b5093..86982112b0d 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -1047,10 +1047,10 @@ void pcibios_make_OF_bus_map(void)
 #endif /* CONFIG_PPC_OF */
 
 /* Add sysfs properties */
-void pcibios_add_platform_entries(struct pci_dev *pdev)
+int pcibios_add_platform_entries(struct pci_dev *pdev)
 {
 #ifdef CONFIG_PPC_OF
-	device_create_file(&pdev->dev, &dev_attr_devspec);
+	return device_create_file(&pdev->dev, &dev_attr_devspec);
 #endif /* CONFIG_PPC_OF */
 }
 
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 249cca27a9b..e3009a43ac5 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -367,8 +367,10 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 	sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
 		dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
 	dev->class = get_int_prop(node, "class-code", 0);
+	dev->revision = get_int_prop(node, "revision-id", 0);
 
 	DBG("    class: 0x%x\n", dev->class);
+	DBG("    revision: 0x%x\n", dev->revision);
 
 	dev->current_state = 4;		/* unknown power state */
 	dev->error_state = pci_channel_io_normal;
@@ -876,9 +878,9 @@ static ssize_t pci_show_devspec(struct device *dev,
 }
 static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
 
-void pcibios_add_platform_entries(struct pci_dev *pdev)
+int pcibios_add_platform_entries(struct pci_dev *pdev)
 {
-	device_create_file(&pdev->dev, &dev_attr_devspec);
+	return device_create_file(&pdev->dev, &dev_attr_devspec);
 }
 
 #define ISA_SPACE_MASK 0x1
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 1ce0ae3f6ff..b27e26852fd 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -176,6 +176,13 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 	 */
 	discard_lazy_cpu_state();
 
+	/*
+	 * Force reload of FP/VEC.
+	 * This has to be done before copying stuff into current->thread.fpr/vr
+	 * for the reasons explained in the previous comment.
+	 */
+	regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
+
 	err |= __copy_from_user(&current->thread.fpr, &sc->fp_regs, FP_REGS_SIZE);
 
 #ifdef CONFIG_ALTIVEC
@@ -197,9 +204,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 		current->thread.vrsave = 0;
 #endif /* CONFIG_ALTIVEC */
 
-	/* Force reload of FP/VEC */
-	regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC);
-
 	return err;
 }
 
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 047246ad4f6..b42cbf1e2d7 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -810,3 +810,12 @@ asmlinkage long compat_sys_request_key(const char __user *_type,
 	return sys_request_key(_type, _description, _callout_info, destringid);
 }
 
+asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
+				   unsigned offset_hi, unsigned offset_lo,
+				   unsigned nbytes_hi, unsigned nbytes_lo)
+{
+	loff_t offset = ((loff_t)offset_hi << 32) | offset_lo;
+	loff_t nbytes = ((loff_t)nbytes_hi << 32) | nbytes_lo;
+
+	return sys_sync_file_range(fd, offset, nbytes, flags);
+}
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index 05909f75430..72ca26df457 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -32,6 +32,8 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	mr	r11,r4			/* r11 saves tz */
 	bl	__get_datapage@local	/* get data page */
 	mr	r9, r3			/* datapage ptr in r9 */
+	cmplwi	r10,0			/* check if tv is NULL */
+	beq	3f
 	bl	__do_get_xsec@local	/* get xsec from tb & kernel */
 	bne-	2f			/* out of line -> do syscall */
 
@@ -50,7 +52,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	mulhwu	r5,r5,r6
 	stw	r5,TVAL32_TV_USEC(r10)
 
-	cmpli	cr0,r11,0		/* check if tz is NULL */
+3:	cmplwi	r11,0			/* check if tz is NULL */
 	beq	1f
 	lwz	r4,CFG_TZ_MINUTEWEST(r9)/* fill tz */
 	lwz	r5,CFG_TZ_DSTTIME(r9)
diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S
index 40ffd9b6cef..c6401f9e37f 100644
--- a/arch/powerpc/kernel/vdso64/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso64/gettimeofday.S
@@ -1,5 +1,4 @@
-
-	/*
+/*
  * Userland implementation of gettimeofday() for 64 bits processes in a
  * ppc64 kernel for use in the vDSO
  *
@@ -32,6 +31,8 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	mr	r11,r3			/* r11 holds tv */
 	mr	r10,r4			/* r10 holds tz */
 	bl	V_LOCAL_FUNC(__get_datapage)	/* get data page */
+	cmpldi	r11,0			/* check if tv is NULL */
+	beq	2f
 	bl	V_LOCAL_FUNC(__do_get_xsec)	/* get xsec from tb & kernel */
 	lis     r7,15			/* r7 = 1000000 = USEC_PER_SEC */
 	ori     r7,r7,16960
@@ -43,8 +44,8 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 					 * XSEC_PER_SEC
 					 */
 	rldicl  r0,r0,44,20
-	cmpldi	cr0,r10,0		/* check if tz is NULL */
 	std	r0,TVAL64_TV_USEC(r11)	/* store usec in tv */
+2:	cmpldi	r10,0			/* check if tz is NULL */
 	beq	1f
 	lwz	r4,CFG_TZ_MINUTEWEST(r3)/* fill tz */
 	lwz	r5,CFG_TZ_DSTTIME(r3)