7 files changed, 35 insertions, 11 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 42c8ed6ed528..c2b84c64db20 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 e66064b5093a..86982112b0dd 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 249cca27a9b8..e3009a43ac56 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 1ce0ae3f6ffc..b27e26852fdb 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 047246ad4f65..b42cbf1e2d7d 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 05909f754307..72ca26df457e 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 40ffd9b6cef7..c6401f9e37f1 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)