14 files changed, 86 insertions, 73 deletions

diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 5cc3279559a..40e24c39ad0 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -23,7 +23,7 @@ config PPC_CELL_NATIVE
 
 config PPC_IBM_CELL_BLADE
 	bool "IBM Cell Blade"
-	depends on PPC_MULTIPLATFORM && PPC64
+	depends on PPC64 && PPC_BOOK3S
 	select PPC_CELL_NATIVE
 	select MMIO_NVRAM
 	select PPC_UDBG_16550
@@ -31,7 +31,7 @@ config PPC_IBM_CELL_BLADE
 
 config PPC_CELLEB
 	bool "Toshiba's Cell Reference Set 'Celleb' Architecture"
-	depends on PPC_MULTIPLATFORM && PPC64
+	depends on PPC64 && PPC_BOOK3S
 	select PPC_CELL_NATIVE
 	select HAS_TXX9_SERIAL
 	select PPC_UDBG_BEAT
@@ -40,9 +40,14 @@ config PPC_CELLEB
 
 config PPC_CELL_QPACE
 	bool "IBM Cell - QPACE"
-	depends on PPC_MULTIPLATFORM && PPC64
+	depends on PPC64 && PPC_BOOK3S
 	select PPC_CELL_COMMON
 
+config AXON_MSI
+	bool
+	depends on PPC_IBM_CELL_BLADE && PCI_MSI
+	default y
+
 menu "Cell Broadband Engine options"
 	depends on PPC_CELL
 
@@ -98,7 +103,7 @@ config PPC_IBM_CELL_RESETBUTTON
 
 config PPC_IBM_CELL_POWERBUTTON
 	tristate "IBM Cell Blade power button"
-	depends on PPC_IBM_CELL_BLADE && PPC_PMI && INPUT_EVDEV
+	depends on PPC_IBM_CELL_BLADE && INPUT_EVDEV
 	default y
 	help
 	  Support Powerbutton on IBM Cell blades.
@@ -118,9 +123,9 @@ config CBE_CPUFREQ
 	  For details, take a look at <file:Documentation/cpu-freq/>.
 	  If you don't have such processor, say N
 
-config CBE_CPUFREQ_PMI
-	tristate "CBE frequency scaling using PMI interface"
-	depends on CBE_CPUFREQ && PPC_PMI && EXPERIMENTAL
+config CBE_CPUFREQ_PMI_ENABLE
+	bool "CBE frequency scaling using PMI interface"
+	depends on CBE_CPUFREQ && EXPERIMENTAL
 	default n
 	help
 	  Select this, if you want to use the PMI interface
@@ -128,6 +133,20 @@ config CBE_CPUFREQ_PMI
 	  processor will not only be able to run at lower speed,
 	  but also at lower core voltage.
 
+config CBE_CPUFREQ_PMI
+	tristate
+	depends on CBE_CPUFREQ_PMI_ENABLE
+	default CBE_CPUFREQ
+
+config PPC_PMI
+	tristate
+	default y
+	depends on CBE_CPUFREQ_PMI || PPC_IBM_CELL_POWERBUTTON
+	help
+	  PMI (Platform Management Interrupt) is a way to
+	  communicate with the BMC (Baseboard Management Controller).
+	  It is used in some IBM Cell blades.
+
 config CBE_CPUFREQ_SPU_GOVERNOR
 	tristate "CBE frequency scaling based on SPU usage"
 	depends on SPU_FS && CPU_FREQ
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 43eccb27030..83fafe92264 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -28,7 +28,7 @@ obj-$(CONFIG_SPU_BASE)			+= spu_callbacks.o spu_base.o \
 					   $(spu-manage-y) \
 					   spufs/
 
-obj-$(CONFIG_PCI_MSI)			+= axon_msi.o
+obj-$(CONFIG_AXON_MSI)			+= axon_msi.o
 
 # qpace setup
 obj-$(CONFIG_PPC_CELL_QPACE)		+= qpace_setup.o
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 28c04dab263..882e47080e7 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -237,8 +237,6 @@ extern int noirqdebug;
 
 static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
 {
-	const unsigned int cpu = smp_processor_id();
-
 	spin_lock(&desc->lock);
 
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
@@ -254,7 +252,7 @@ static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
 		goto out_eoi;
 	}
 
-	kstat_cpu(cpu).irqs[irq]++;
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	/* Mark the IRQ currently in progress.*/
 	desc->status |= IRQ_INPROGRESS;
diff --git a/arch/powerpc/platforms/cell/io-workarounds.c b/arch/powerpc/platforms/cell/io-workarounds.c
index 059cad6c3f6..5c1118e3194 100644
--- a/arch/powerpc/platforms/cell/io-workarounds.c
+++ b/arch/powerpc/platforms/cell/io-workarounds.c
@@ -131,10 +131,10 @@ static const struct ppc_pci_io __devinitconst iowa_pci_io = {
 };
 
 static void __iomem *iowa_ioremap(phys_addr_t addr, unsigned long size,
-						unsigned long flags)
+				  unsigned long flags, void *caller)
 {
 	struct iowa_bus *bus;
-	void __iomem *res = __ioremap(addr, size, flags);
+	void __iomem *res = __ioremap_caller(addr, size, flags, caller);
 	int busno;
 
 	bus = iowa_pci_find(0, (unsigned long)addr);
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index ee5033eddf0..5744527a7f2 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -74,7 +74,7 @@
 #define IOC_IO_ExcpStat_V		0x8000000000000000ul
 #define IOC_IO_ExcpStat_SPF_Mask	0x6000000000000000ul
 #define IOC_IO_ExcpStat_SPF_S		0x6000000000000000ul
-#define IOC_IO_ExcpStat_SPF_P		0x4000000000000000ul
+#define IOC_IO_ExcpStat_SPF_P		0x2000000000000000ul
 #define IOC_IO_ExcpStat_ADDR_Mask	0x00000007fffff000ul
 #define IOC_IO_ExcpStat_RW_Mask		0x0000000000000800ul
 #define IOC_IO_ExcpStat_IOID_Mask	0x00000000000007fful
@@ -247,17 +247,18 @@ static void tce_free_cell(struct iommu_table *tbl, long index, long npages)
 
 static irqreturn_t ioc_interrupt(int irq, void *data)
 {
-	unsigned long stat;
+	unsigned long stat, spf;
 	struct cbe_iommu *iommu = data;
 
 	stat = in_be64(iommu->xlate_regs + IOC_IO_ExcpStat);
+	spf = stat & IOC_IO_ExcpStat_SPF_Mask;
 
 	/* Might want to rate limit it */
 	printk(KERN_ERR "iommu: DMA exception 0x%016lx\n", stat);
 	printk(KERN_ERR "  V=%d, SPF=[%c%c], RW=%s, IOID=0x%04x\n",
 	       !!(stat & IOC_IO_ExcpStat_V),
-	       (stat & IOC_IO_ExcpStat_SPF_S) ? 'S' : ' ',
-	       (stat & IOC_IO_ExcpStat_SPF_P) ? 'P' : ' ',
+	       (spf == IOC_IO_ExcpStat_SPF_S) ? 'S' : ' ',
+	       (spf == IOC_IO_ExcpStat_SPF_P) ? 'P' : ' ',
 	       (stat & IOC_IO_ExcpStat_RW_Mask) ? "Read" : "Write",
 	       (unsigned int)(stat & IOC_IO_ExcpStat_IOID_Mask));
 	printk(KERN_ERR "  page=0x%016lx\n",
diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c
index be84e6a16b3..c5ce02e84c8 100644
--- a/arch/powerpc/platforms/cell/qpace_setup.c
+++ b/arch/powerpc/platforms/cell/qpace_setup.c
@@ -81,16 +81,6 @@ static int __init qpace_publish_devices(void)
 }
 machine_subsys_initcall(qpace, qpace_publish_devices);
 
-extern int qpace_notify(struct device *dev)
-{
-	/* set dma_ops for of_platform bus */
-	if (dev->bus && dev->bus->name
-			&& !strcmp(dev->bus->name, "of_platform"))
-		set_dma_ops(dev, &dma_direct_ops);
-
-	return 0;
-}
-
 static void __init qpace_setup_arch(void)
 {
 #ifdef CONFIG_SPU_BASE
@@ -115,9 +105,6 @@ static void __init qpace_setup_arch(void)
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
 #endif
-
-	/* set notifier function */
-	platform_notify = &qpace_notify;
 }
 
 static int __init qpace_probe(void)
@@ -141,6 +128,8 @@ define_machine(qpace) {
 	.power_off		= rtas_power_off,
 	.halt			= rtas_halt,
 	.get_boot_time		= rtas_get_boot_time,
+	.get_rtc_time		= rtas_get_rtc_time,
+	.set_rtc_time		= rtas_set_rtc_time,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= qpace_progress,
 	.init_IRQ		= iic_init_IRQ,
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e487ad68ac1..9abd210d87c 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -114,7 +114,7 @@ static inline void mm_needs_global_tlbie(struct mm_struct *mm)
 	int nr = (NR_CPUS > 1) ? NR_CPUS : NR_CPUS + 1;
 
 	/* Global TLBIE broadcast required with SPEs. */
-	__cpus_setall(&mm->cpu_vm_mask, nr);
+	bitmap_fill(cpumask_bits(mm_cpumask(mm)), nr);
 }
 
 void spu_associate_mm(struct spu *spu, struct mm_struct *mm)
diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c
index c8b1cd42905..95d8dadf2d8 100644
--- a/arch/powerpc/platforms/cell/spu_fault.c
+++ b/arch/powerpc/platforms/cell/spu_fault.c
@@ -39,60 +39,56 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
 	unsigned long is_write;
 	int ret;
 
-#if 0
-	if (!IS_VALID_EA(ea)) {
+	if (mm == NULL)
 		return -EFAULT;
-	}
-#endif /* XXX */
-	if (mm == NULL) {
-		return -EFAULT;
-	}
-	if (mm->pgd == NULL) {
+
+	if (mm->pgd == NULL)
 		return -EFAULT;
-	}
 
 	down_read(&mm->mmap_sem);
+	ret = -EFAULT;
 	vma = find_vma(mm, ea);
 	if (!vma)
-		goto bad_area;
-	if (vma->vm_start <= ea)
-		goto good_area;
-	if (!(vma->vm_flags & VM_GROWSDOWN))
-		goto bad_area;
-	if (expand_stack(vma, ea))
-		goto bad_area;
-good_area:
+		goto out_unlock;
+
+	if (ea < vma->vm_start) {
+		if (!(vma->vm_flags & VM_GROWSDOWN))
+			goto out_unlock;
+		if (expand_stack(vma, ea))
+			goto out_unlock;
+	}
+
 	is_write = dsisr & MFC_DSISR_ACCESS_PUT;
 	if (is_write) {
 		if (!(vma->vm_flags & VM_WRITE))
-			goto bad_area;
+			goto out_unlock;
 	} else {
 		if (dsisr & MFC_DSISR_ACCESS_DENIED)
-			goto bad_area;
+			goto out_unlock;
 		if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
-			goto bad_area;
+			goto out_unlock;
 	}
+
 	ret = 0;
 	*flt = handle_mm_fault(mm, vma, ea, is_write);
 	if (unlikely(*flt & VM_FAULT_ERROR)) {
 		if (*flt & VM_FAULT_OOM) {
 			ret = -ENOMEM;
-			goto bad_area;
+			goto out_unlock;
 		} else if (*flt & VM_FAULT_SIGBUS) {
 			ret = -EFAULT;
-			goto bad_area;
+			goto out_unlock;
 		}
 		BUG();
 	}
+
 	if (*flt & VM_FAULT_MAJOR)
 		current->maj_flt++;
 	else
 		current->min_flt++;
-	up_read(&mm->mmap_sem);
-	return ret;
 
-bad_area:
+out_unlock:
 	up_read(&mm->mmap_sem);
-	return -EFAULT;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(spu_handle_mm_fault);
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 6653ddbed04..db5398c0339 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -35,6 +35,8 @@ atomic_t nr_spu_contexts = ATOMIC_INIT(0);
 struct spu_context *alloc_spu_context(struct spu_gang *gang)
 {
 	struct spu_context *ctx;
+	struct timespec ts;
+
 	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
 	if (!ctx)
 		goto out;
@@ -64,6 +66,8 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang)
 	__spu_update_sched_info(ctx);
 	spu_set_timeslice(ctx);
 	ctx->stats.util_state = SPU_UTIL_IDLE_LOADED;
+	ktime_get_ts(&ts);
+	ctx->stats.tstamp = timespec_to_ns(&ts);
 
 	atomic_inc(&nr_spu_contexts);
 	goto out;
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0da7f2bf5ee..d6a519e6e1c 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -568,16 +568,17 @@ spufs_regs_write(struct file *file, const char __user *buffer,
 	struct spu_lscsa *lscsa = ctx->csa.lscsa;
 	int ret;
 
-	size = min_t(ssize_t, sizeof lscsa->gprs - *pos, size);
-	if (size <= 0)
+	if (*pos >= sizeof(lscsa->gprs))
 		return -EFBIG;
+
+	size = min_t(ssize_t, sizeof(lscsa->gprs) - *pos, size);
 	*pos += size;
 
 	ret = spu_acquire_saved(ctx);
 	if (ret)
 		return ret;
 
-	ret = copy_from_user(lscsa->gprs + *pos - size,
+	ret = copy_from_user((char *)lscsa->gprs + *pos - size,
 			     buffer, size) ? -EFAULT : size;
 
 	spu_release_saved(ctx);
@@ -623,10 +624,11 @@ spufs_fpcr_write(struct file *file, const char __user * buffer,
 	struct spu_lscsa *lscsa = ctx->csa.lscsa;
 	int ret;
 
-	size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size);
-	if (size <= 0)
+	if (*pos >= sizeof(lscsa->fpcr))
 		return -EFBIG;
 
+	size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size);
+
 	ret = spu_acquire_saved(ctx);
 	if (ret)
 		return ret;
@@ -2665,7 +2667,7 @@ static const struct file_operations spufs_ctx_fops = {
 	.release        = single_release,
 };
 
-struct spufs_tree_descr spufs_dir_contents[] = {
+const struct spufs_tree_descr spufs_dir_contents[] = {
 	{ "capabilities", &spufs_caps_fops, 0444, },
 	{ "mem",  &spufs_mem_fops,  0666, LS_SIZE, },
 	{ "regs", &spufs_regs_fops,  0666, sizeof(struct spu_reg128[128]), },
@@ -2706,7 +2708,7 @@ struct spufs_tree_descr spufs_dir_contents[] = {
 	{},
 };
 
-struct spufs_tree_descr spufs_dir_nosched_contents[] = {
+const struct spufs_tree_descr spufs_dir_nosched_contents[] = {
 	{ "capabilities", &spufs_caps_fops, 0444, },
 	{ "mem",  &spufs_mem_fops,  0666, LS_SIZE, },
 	{ "mbox", &spufs_mbox_fops, 0444, },
@@ -2731,12 +2733,12 @@ struct spufs_tree_descr spufs_dir_nosched_contents[] = {
 	{},
 };
 
-struct spufs_tree_descr spufs_dir_debug_contents[] = {
+const struct spufs_tree_descr spufs_dir_debug_contents[] = {
 	{ ".ctx", &spufs_ctx_fops, 0444, },
 	{},
 };
 
-struct spufs_coredump_reader spufs_coredump_read[] = {
+const struct spufs_coredump_reader spufs_coredump_read[] = {
 	{ "regs", __spufs_regs_read, NULL, sizeof(struct spu_reg128[128])},
 	{ "fpcr", __spufs_fpcr_read, NULL, sizeof(struct spu_reg128) },
 	{ "lslr", NULL, spufs_lslr_get, 19 },
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index e309ef70a53..64f068540d0 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -186,8 +186,9 @@ static int spufs_rmdir(struct inode *parent, struct dentry *dir)
 	return simple_rmdir(parent, dir);
 }
 
-static int spufs_fill_dir(struct dentry *dir, struct spufs_tree_descr *files,
-			  int mode, struct spu_context *ctx)
+static int spufs_fill_dir(struct dentry *dir,
+		const struct spufs_tree_descr *files, int mode,
+		struct spu_context *ctx)
 {
 	struct dentry *dentry, *tmp;
 	int ret;
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index c58bd36b0c5..4ddf769a64e 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -117,6 +117,9 @@ static int spu_setup_isolated(struct spu_context *ctx)
 		cond_resched();
 	}
 
+	/* clear purge status */
+	out_be64(mfc_cntl, 0);
+
 	/* put the SPE in kernel mode to allow access to the loader */
 	sr1 = spu_mfc_sr1_get(ctx->spu);
 	sr1 &= ~MFC_STATE1_PROBLEM_STATE_MASK;
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 6a0ad196aeb..f085369301b 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -508,7 +508,7 @@ static void __spu_add_to_rq(struct spu_context *ctx)
 		list_add_tail(&ctx->rq, &spu_prio->runq[ctx->prio]);
 		set_bit(ctx->prio, spu_prio->bitmap);
 		if (!spu_prio->nr_waiting++)
-			__mod_timer(&spusched_timer, jiffies + SPUSCHED_TICK);
+			mod_timer(&spusched_timer, jiffies + SPUSCHED_TICK);
 	}
 }
 
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 3bf908e2873..ae31573bea4 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -241,9 +241,9 @@ struct spufs_tree_descr {
 	size_t size;
 };
 
-extern struct spufs_tree_descr spufs_dir_contents[];
-extern struct spufs_tree_descr spufs_dir_nosched_contents[];
-extern struct spufs_tree_descr spufs_dir_debug_contents[];
+extern const struct spufs_tree_descr spufs_dir_contents[];
+extern const struct spufs_tree_descr spufs_dir_nosched_contents[];
+extern const struct spufs_tree_descr spufs_dir_debug_contents[];
 
 /* system call implementation */
 extern struct spufs_calls spufs_calls;
@@ -358,7 +358,7 @@ struct spufs_coredump_reader {
 	u64 (*get)(struct spu_context *ctx);
 	size_t size;
 };
-extern struct spufs_coredump_reader spufs_coredump_read[];
+extern const struct spufs_coredump_reader spufs_coredump_read[];
 extern int spufs_coredump_num_notes;
 
 extern int spu_init_csa(struct spu_state *csa);