diff options
Diffstat (limited to 'arch/powerpc')
42 files changed, 615 insertions, 333 deletions
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index 7c589ef81fb0..c94e4a3fe2ef 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -30,7 +30,7 @@ : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \ : "cr0", "memory") -static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -40,7 +40,7 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -82,35 +82,38 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int prev; + int ret = 0; + u32 prev; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; __asm__ __volatile__ ( PPC_RELEASE_BARRIER -"1: lwarx %0,0,%2 # futex_atomic_cmpxchg_inatomic\n\ - cmpw 0,%0,%3\n\ +"1: lwarx %1,0,%3 # futex_atomic_cmpxchg_inatomic\n\ + cmpw 0,%1,%4\n\ bne- 3f\n" - PPC405_ERR77(0,%2) -"2: stwcx. %4,0,%2\n\ + PPC405_ERR77(0,%3) +"2: stwcx. %5,0,%3\n\ bne- 1b\n" PPC_ACQUIRE_BARRIER "3: .section .fixup,\"ax\"\n\ -4: li %0,%5\n\ +4: li %0,%6\n\ b 3b\n\ .previous\n\ .section __ex_table,\"a\"\n\ .align 3\n\ " PPC_LONG "1b,4b,2b,4b\n\ .previous" \ - : "=&r" (prev), "+m" (*uaddr) + : "+r" (ret), "=&r" (prev), "+m" (*uaddr) : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT) : "cc", "memory"); - return prev; + *uval = prev; + return ret; } #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/ioctls.h b/arch/powerpc/include/asm/ioctls.h index c7dc17cf84f1..e9b78870aaab 100644 --- a/arch/powerpc/include/asm/ioctls.h +++ b/arch/powerpc/include/asm/ioctls.h @@ -96,6 +96,7 @@ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ #define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */ #define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ +#define TIOCVHANGUP 0x5437 #define TIOCSERCONFIG 0x5453 #define TIOCSERGWILD 0x5454 diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 380d48bacd16..26b8c807f8f1 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -33,9 +33,25 @@ // //---------------------------------------------------------------------------- #include <linux/cache.h> +#include <linux/threads.h> #include <asm/types.h> #include <asm/mmu.h> +/* + * We only have to have statically allocated lppaca structs on + * legacy iSeries, which supports at most 64 cpus. + */ +#ifdef CONFIG_PPC_ISERIES +#if NR_CPUS < 64 +#define NR_LPPACAS NR_CPUS +#else +#define NR_LPPACAS 64 +#endif +#else /* not iSeries */ +#define NR_LPPACAS 1 +#endif + + /* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k * alignment is sufficient to prevent this */ struct lppaca { diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 991d5998d6be..fe56a23e1ff0 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -240,6 +240,12 @@ struct machdep_calls { * claims to support kexec. */ int (*machine_kexec_prepare)(struct kimage *image); + + /* Called to perform the _real_ kexec. + * Do NOT allocate memory or fail here. We are past the point of + * no return. + */ + void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ #ifdef CONFIG_SUSPEND diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 51e9e6f90d12..5e156e034fe2 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -164,13 +164,23 @@ extern void setup_indirect_pci(struct pci_controller* hose, resource_size_t cfg_addr, resource_size_t cfg_data, u32 flags); -#ifndef CONFIG_PPC64 - static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) { return bus->sysdata; } +#ifndef CONFIG_PPC64 + +static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) +{ + struct pci_controller *host; + + if (bus->self) + return pci_device_to_OF_node(bus->self); + host = pci_bus_to_host(bus); + return host ? host->dn : NULL; +} + static inline int isa_vaddr_is_ioport(void __iomem *address) { /* No specific ISA handling on ppc32 at this stage, it @@ -218,19 +228,10 @@ extern void * update_dn_pci_info(struct device_node *dn, void *data); /* Get a device_node from a pci_dev. This code must be fast except * in the case where the sysdata is incorrect and needs to be fixed - * up (this will only happen once). - * In this case the sysdata will have been inherited from a PCI host - * bridge or a PCI-PCI bridge further up the tree, so it will point - * to a valid struct pci_dn, just not the one we want. - */ + * up (this will only happen once). */ static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev) { - struct device_node *dn = dev->sysdata; - struct pci_dn *pdn = dn->data; - - if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number) - return dn; /* fast path. sysdata is good */ - return fetch_dev_dn(dev); + return dev->dev.of_node ? dev->dev.of_node : fetch_dev_dn(dev); } static inline int pci_device_from_OF_node(struct device_node *np, @@ -248,7 +249,7 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) if (bus->self) return pci_device_to_OF_node(bus->self); else - return bus->sysdata; /* Must be root bus (PHB) */ + return bus->dev.of_node; /* Must be root bus (PHB) */ } /** Find the bus corresponding to the indicated device node */ @@ -260,14 +261,6 @@ extern void pcibios_remove_pci_devices(struct pci_bus *bus); /** Discover new pci devices under this bus, and add them */ extern void pcibios_add_pci_devices(struct pci_bus *bus); -static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus) -{ - struct device_node *busdn = bus->sysdata; - - BUG_ON(busdn == NULL); - return PCI_DN(busdn)->phb; -} - extern void isa_bridge_find_early(struct pci_controller *hose); diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index a20a9ad2258b..7d7790954e02 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -201,7 +201,7 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, extern void pcibios_setup_bus_devices(struct pci_bus *bus); extern void pcibios_setup_bus_self(struct pci_bus *bus); extern void pcibios_setup_phb_io_space(struct pci_controller *hose); -extern void pcibios_scan_phb(struct pci_controller *hose, void *sysdata); +extern void pcibios_scan_phb(struct pci_controller *hose); #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index d72757585595..c189aa5fe1f4 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -70,21 +70,6 @@ static inline int of_node_to_nid(struct device_node *device) { return 0; } #endif #define of_node_to_nid of_node_to_nid -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -struct of_irq; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - extern void of_instantiate_rtc(void); /* These includes are put at the bottom because they may contain things diff --git a/arch/powerpc/include/asm/rwsem.h b/arch/powerpc/include/asm/rwsem.h index 8447d89fbe72..bb1e2cdeb9bf 100644 --- a/arch/powerpc/include/asm/rwsem.h +++ b/arch/powerpc/include/asm/rwsem.h @@ -13,11 +13,6 @@ * by Paul Mackerras <paulus@samba.org>. */ -#include <linux/list.h> -#include <linux/spinlock.h> -#include <asm/atomic.h> -#include <asm/system.h> - /* * the semaphore definition */ @@ -33,47 +28,6 @@ #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) -struct rw_semaphore { - long count; - spinlock_t wait_lock; - struct list_head wait_list; -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -}; - -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } -#else -# define __RWSEM_DEP_MAP_INIT(lockname) -#endif - -#define __RWSEM_INITIALIZER(name) \ -{ \ - RWSEM_UNLOCKED_VALUE, \ - __SPIN_LOCK_UNLOCKED((name).wait_lock), \ - LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEP_MAP_INIT(name) \ -} - -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) - -extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); - -extern void __init_rwsem(struct rw_semaphore *sem, const char *name, - struct lock_class_key *key); - -#define init_rwsem(sem) \ - do { \ - static struct lock_class_key __key; \ - \ - __init_rwsem((sem), #sem, &__key); \ - } while (0) - /* * lock for reading */ @@ -174,10 +128,5 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) return atomic_long_add_return(delta, (atomic_long_t *)&sem->count); } -static inline int rwsem_is_locked(struct rw_semaphore *sem) -{ - return sem->count != 0; -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_RWSEM_H */ diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index f62efdfd1769..c00d4ca1ee15 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -201,13 +201,14 @@ int ibmebus_register_driver(struct of_platform_driver *drv) /* If the driver uses devices that ibmebus doesn't know, add them */ ibmebus_create_devices(drv->driver.of_match_table); - return of_register_driver(drv, &ibmebus_bus_type); + drv->driver.bus = &ibmebus_bus_type; + return driver_register(&drv->driver); } EXPORT_SYMBOL(ibmebus_register_driver); void ibmebus_unregister_driver(struct of_platform_driver *drv) { - of_unregister_driver(drv); + driver_unregister(&drv->driver); } EXPORT_SYMBOL(ibmebus_unregister_driver); @@ -308,15 +309,410 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus, } } + static struct bus_attribute ibmebus_bus_attrs[] = { __ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe), __ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove), __ATTR_NULL }; +static int ibmebus_bus_bus_match(struct device *dev, struct device_driver *drv) +{ + const struct of_device_id *matches = drv->of_match_table; + + if (!matches) + return 0; + + return of_match_device(matches, dev) != NULL; +} + +static int ibmebus_bus_device_probe(struct device *dev) +{ + int error = -ENODEV; + struct of_platform_driver *drv; + struct platform_device *of_dev; + const struct of_device_id *match; + + drv = to_of_platform_driver(dev->driver); + of_dev = to_platform_device(dev); + + if (!drv->probe) + return error; + + of_dev_get(of_dev); + + match = of_match_device(drv->driver.of_match_table, dev); + if (match) + error = drv->probe(of_dev, match); + if (error) + of_dev_put(of_dev); + + return error; +} + +static int ibmebus_bus_device_remove(struct device *dev) +{ + struct platform_device *of_dev = to_platform_device(dev); + struct of_platform_driver *drv = to_of_platform_driver(dev->driver); + + if (dev->driver && drv->remove) + drv->remove(of_dev); + return 0; +} + +static void ibmebus_bus_device_shutdown(struct device *dev) +{ + struct platform_device *of_dev = to_platform_device(dev); + struct of_platform_driver *drv = to_of_platform_driver(dev->driver); + + if (dev->driver && drv->shutdown) + drv->shutdown(of_dev); +} + +/* + * ibmebus_bus_device_attrs + */ +static ssize_t devspec_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct platform_device *ofdev; + + ofdev = to_platform_device(dev); + return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name); +} + +static ssize_t name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct platform_device *ofdev; + + ofdev = to_platform_device(dev); + return sprintf(buf, "%s\n", ofdev->dev.of_node->name); +} + +static ssize_t modalias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + ssize_t len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2); + buf[len] = '\n'; + buf[len+1] = 0; + return len+1; +} + +struct device_attribute ibmebus_bus_device_attrs[] = { + __ATTR_RO(devspec), + __ATTR_RO(name), + __ATTR_RO(modalias), + __ATTR_NULL +}; + +#ifdef CONFIG_PM_SLEEP +static int ibmebus_bus_legacy_suspend(struct device *dev, pm_message_t mesg) +{ + struct platform_device *of_dev = to_platform_device(dev); + struct of_platform_driver *drv = to_of_platform_driver(dev->driver); + int ret = 0; + + if (dev->driver && drv->suspend) + ret = drv->suspend(of_dev, mesg); + return ret; +} + +static int ibmebus_bus_legacy_resume(struct device *dev) +{ + struct platform_device *of_dev = to_platform_device(dev); + struct of_platform_driver *drv = to_of_platform_driver(dev->driver); + int ret = 0; + + if (dev->driver && drv->resume) + ret = drv->resume(of_dev); + return ret; +} + +static int ibmebus_bus_pm_prepare(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (drv && drv->pm && drv->pm->prepare) + ret = drv->pm->prepare(dev); + + return ret; +} + +static void ibmebus_bus_pm_complete(struct device *dev) +{ + struct device_driver *drv = dev->driver; + + if (drv && drv->pm && drv->pm->complete) + drv->pm->complete(dev); +} + +#ifdef CONFIG_SUSPEND + +static int ibmebus_bus_pm_suspend(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->suspend) + ret = drv->pm->suspend(dev); + } else { + ret = ibmebus_bus_legacy_suspend(dev, PMSG_SUSPEND); + } + + return ret; +} + +static int ibmebus_bus_pm_suspend_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->suspend_noirq) + ret = drv->pm->suspend_noirq(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_resume(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->resume) + ret = drv->pm->resume(dev); + } else { + ret = ibmebus_bus_legacy_resume(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_resume_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->resume_noirq) + ret = drv->pm->resume_noirq(dev); + } + + return ret; +} + +#else /* !CONFIG_SUSPEND */ + +#define ibmebus_bus_pm_suspend NULL +#define ibmebus_bus_pm_resume NULL +#define ibmebus_bus_pm_suspend_noirq NULL +#define ibmebus_bus_pm_resume_noirq NULL + +#endif /* !CONFIG_SUSPEND */ + +#ifdef CONFIG_HIBERNATION + +static int ibmebus_bus_pm_freeze(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->freeze) + ret = drv->pm->freeze(dev); + } else { + ret = ibmebus_bus_legacy_suspend(dev, PMSG_FREEZE); + } + + return ret; +} + +static int ibmebus_bus_pm_freeze_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->freeze_noirq) + ret = drv->pm->freeze_noirq(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_thaw(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->thaw) + ret = drv->pm->thaw(dev); + } else { + ret = ibmebus_bus_legacy_resume(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_thaw_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->thaw_noirq) + ret = drv->pm->thaw_noirq(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_poweroff(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->poweroff) + ret = drv->pm->poweroff(dev); + } else { + ret = ibmebus_bus_legacy_suspend(dev, PMSG_HIBERNATE); + } + + return ret; +} + +static int ibmebus_bus_pm_poweroff_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->poweroff_noirq) + ret = drv->pm->poweroff_noirq(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_restore(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->restore) + ret = drv->pm->restore(dev); + } else { + ret = ibmebus_bus_legacy_resume(dev); + } + + return ret; +} + +static int ibmebus_bus_pm_restore_noirq(struct device *dev) +{ + struct device_driver *drv = dev->driver; + int ret = 0; + + if (!drv) + return 0; + + if (drv->pm) { + if (drv->pm->restore_noirq) + ret = drv->pm->restore_noirq(dev); + } + + return ret; +} + +#else /* !CONFIG_HIBERNATION */ + +#define ibmebus_bus_pm_freeze NULL +#define ibmebus_bus_pm_thaw NULL +#define ibmebus_bus_pm_poweroff NULL +#define ibmebus_bus_pm_restore NULL +#define ibmebus_bus_pm_freeze_noirq NULL +#define ibmebus_bus_pm_thaw_noirq NULL +#define ibmebus_bus_pm_poweroff_noirq NULL +#define ibmebus_bus_pm_restore_noirq NULL + +#endif /* !CONFIG_HIBERNATION */ + +static struct dev_pm_ops ibmebus_bus_dev_pm_ops = { + .prepare = ibmebus_bus_pm_prepare, + .complete = ibmebus_bus_pm_complete, + .suspend = ibmebus_bus_pm_suspend, + .resume = ibmebus_bus_pm_resume, + .freeze = ibmebus_bus_pm_freeze, + .thaw = ibmebus_bus_pm_thaw, + .poweroff = ibmebus_bus_pm_poweroff, + .restore = ibmebus_bus_pm_restore, + .suspend_noirq = ibmebus_bus_pm_suspend_noirq, + .resume_noirq = ibmebus_bus_pm_resume_noirq, + .freeze_noirq = ibmebus_bus_pm_freeze_noirq, + .thaw_noirq = ibmebus_bus_pm_thaw_noirq, + .poweroff_noirq = ibmebus_bus_pm_poweroff_noirq, + .restore_noirq = ibmebus_bus_pm_restore_noirq, +}; + +#define IBMEBUS_BUS_PM_OPS_PTR (&ibmebus_bus_dev_pm_ops) + +#else /* !CONFIG_PM_SLEEP */ + +#define IBMEBUS_BUS_PM_OPS_PTR NULL + +#endif /* !CONFIG_PM_SLEEP */ + struct bus_type ibmebus_bus_type = { + .name = "ibmebus", .uevent = of_device_uevent, - .bus_attrs = ibmebus_bus_attrs + .bus_attrs = ibmebus_bus_attrs, + .match = ibmebus_bus_bus_match, + .probe = ibmebus_bus_device_probe, + .remove = ibmebus_bus_device_remove, + .shutdown = ibmebus_bus_device_shutdown, + .dev_attrs = ibmebus_bus_device_attrs, + .pm = IBMEBUS_BUS_PM_OPS_PTR, }; EXPORT_SYMBOL(ibmebus_bus_type); @@ -326,7 +722,7 @@ static int __init ibmebus_bus_init(void) printk(KERN_INFO "IBM eBus Device Driver\n"); - err = of_bus_type_init(&ibmebus_bus_type, "ibmebus"); + err = bus_register(&ibmebus_bus_type); if (err) { printk(KERN_ERR "%s: failed to register IBM eBus.\n", __func__); diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 49a170af8145..a5f8672eeff3 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -87,7 +87,10 @@ void machine_kexec(struct kimage *image) save_ftrace_enabled = __ftrace_enabled_save(); - default_machine_kexec(image); + if (ppc_md.machine_kexec) + ppc_md.machine_kexec(image); + else + default_machine_kexec(image); __ftrace_enabled_restore(save_ftrace_enabled); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index b2c363ef38ad..24582181b6ec 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -36,8 +36,7 @@ * lacking some bits needed here. */ -static int __devinit of_pci_phb_probe(struct platform_device *dev, - const struct of_device_id *match) +static int __devinit of_pci_phb_probe(struct platform_device *dev) { struct pci_controller *phb; @@ -74,7 +73,7 @@ static int __devinit of_pci_phb_probe(struct platform_device *dev, #endif /* CONFIG_EEH */ /* Scan the bus */ - pcibios_scan_phb(phb, dev->dev.of_node); + pcibios_scan_phb(phb); if (phb->bus == NULL) return -ENXIO; @@ -104,7 +103,7 @@ static struct of_device_id of_pci_phb_ids[] = { {} }; -static struct of_platform_driver of_pci_phb_driver = { +static struct platform_driver of_pci_phb_driver = { .probe = of_pci_phb_probe, .driver = { .name = "of-pci", @@ -115,7 +114,7 @@ static struct of_platform_driver of_pci_phb_driver = { static __init int of_pci_phb_init(void) { - return of_register_platform_driver(&of_pci_phb_driver); + return platform_driver_register(&of_pci_phb_driver); } device_initcall(of_pci_phb_init); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index ebf9846f3c3b..f4adf89d7614 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -27,20 +27,6 @@ extern unsigned long __toc_start; #ifdef CONFIG_PPC_BOOK3S /* - * We only have to have statically allocated lppaca structs on - * legacy iSeries, which supports at most 64 cpus. - */ -#ifdef CONFIG_PPC_ISERIES -#if NR_CPUS < 64 -#define NR_LPPACAS NR_CPUS -#else -#define NR_LPPACAS 64 -#endif -#else /* not iSeries */ -#define NR_LPPACAS 1 -#endif - -/* * The structure which the hypervisor knows about - this structure * should not cross a page boundary. The vpa_init/register_vpa call * is now known to fail if the lppaca structure crosses a page diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 10a44e68ef11..3cd85faa8ac6 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/of_address.h> +#include <linux/of_pci.h> #include <linux/mm.h> #include <linux/list.h> #include <linux/syscalls.h> @@ -1687,13 +1688,8 @@ int early_find_capability(struct pci_controller *hose, int bus, int devfn, /** * pci_scan_phb - Given a pci_controller, setup and scan the PCI bus * @hose: Pointer to the PCI host controller instance structure - * @sysdata: value to use for sysdata pointer. ppc32 and ppc64 differ here - * - * Note: the 'data' pointer is a temporary measure. As 32 and 64 bit - * pci code gets merged, this parameter should become unnecessary because - * both will use the same value. */ -void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata) +void __devinit pcibios_scan_phb(struct pci_controller *hose) { struct pci_bus *bus; struct device_node *node = hose->dn; @@ -1703,13 +1699,13 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata) node ? node->full_name : "<NO NAME>"); /* Create an empty bus for the toplevel */ - bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, - sysdata); + bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose); if (bus == NULL) { pr_err("Failed to create bus for PCI domain %04x\n", hose->global_number); return; } + bus->dev.of_node = of_node_get(node); bus->secondary = hose->first_busno; hose->bus = bus; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index e7db5b48004a..bedb370459f2 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -381,7 +381,7 @@ static int __init pcibios_init(void) if (pci_assign_all_buses) hose->first_busno = next_busno; hose->last_busno = 0xff; - pcibios_scan_phb(hose, hose); + pcibios_scan_phb(hose); pci_bus_add_devices(hose->bus); if (pci_assign_all_buses || next_busno <= hose->last_busno) next_busno = hose->last_busno + pcibios_assign_bus_offset; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 851577608a78..fc6452b6be9f 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -64,7 +64,7 @@ static int __init pcibios_init(void) /* Scan all of the recorded PCI controllers. */ list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - pcibios_scan_phb(hose, hose->dn); + pcibios_scan_phb(hose); pci_bus_add_devices(hose->bus); } @@ -242,10 +242,10 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus, break; bus = NULL; } - if (bus == NULL || bus->sysdata == NULL) + if (bus == NULL || bus->dev.of_node == NULL) return -ENODEV; - hose_node = (struct device_node *)bus->sysdata; + hose_node = bus->dev.of_node; hose = PCI_DN(hose_node)->phb; switch (which) { diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index d56b35ee7f74..29852688ceaa 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -161,7 +161,7 @@ static void *is_devfn_node(struct device_node *dn, void *data) /* * This is the "slow" path for looking up a device_node from a * pci_dev. It will hunt for the device under its parent's - * phb and then update sysdata for a future fastpath. + * phb and then update of_node pointer. * * It may also do fixups on the actual device since this happens * on the first read/write. @@ -170,16 +170,19 @@ static void *is_devfn_node(struct device_node *dn, void *data) * In this case it may probe for real hardware ("just in case") * and add a device_node to the device tree if necessary. * + * Is this function necessary anymore now that dev->dev.of_node is + * used to store the node pointer? + * */ struct device_node *fetch_dev_dn(struct pci_dev *dev) { - struct device_node *orig_dn = dev->sysdata; + struct device_node *orig_dn = dev->dev.of_node; struct device_node *dn; unsigned long searchval = (dev->bus->number << 8) | dev->devfn; dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval); if (dn) - dev->sysdata = dn; + dev->dev.of_node = dn; return dn; } EXPORT_SYMBOL(fetch_dev_dn); diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index e751506323b4..1e89a72fd030 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -135,7 +135,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, pr_debug(" create device, devfn: %x, type: %s\n", devfn, type); dev->bus = bus; - dev->sysdata = node; + dev->dev.of_node = of_node_get(node); dev->dev.parent = bus->bridge; dev->dev.bus = &pci_bus_type; dev->devfn = devfn; @@ -238,7 +238,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node, bus->primary = dev->bus->number; bus->subordinate = busrange[1]; bus->bridge_ctl = 0; - bus->sysdata = node; + bus->dev.of_node = of_node_get(node); /* parse ranges property */ /* PCI #address-cells == 3 and #size-cells == 2 always */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7a1d5cb76932..8303a6c65ef7 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -353,6 +353,7 @@ static void switch_booke_debug_regs(struct thread_struct *new_thread) prime_debug_regs(new_thread); } #else /* !CONFIG_PPC_ADV_DEBUG_REGS */ +#ifndef CONFIG_HAVE_HW_BREAKPOINT static void set_debug_reg_defaults(struct thread_struct *thread) { if (thread->dabr) { @@ -360,6 +361,7 @@ static void set_debug_reg_defaults(struct thread_struct *thread) set_dabr(0); } } +#endif /* !CONFIG_HAVE_HW_BREAKPOINT */ #endif /* CONFIG_PPC_ADV_DEBUG_REGS */ int set_dabr(unsigned long dabr) @@ -670,11 +672,11 @@ void flush_thread(void) { discard_lazy_cpu_state(); -#ifdef CONFIG_HAVE_HW_BREAKPOINTS +#ifdef CONFIG_HAVE_HW_BREAKPOINT flush_ptrace_hw_breakpoint(current); -#else /* CONFIG_HAVE_HW_BREAKPOINTS */ +#else /* CONFIG_HAVE_HW_BREAKPOINT */ set_debug_reg_defaults(¤t->thread); -#endif /* CONFIG_HAVE_HW_BREAKPOINTS */ +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ } void diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index c2b7a07cc3d3..47187cc2cf00 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -2,95 +2,11 @@ #include <linux/kernel.h> #include <linux/string.h> -#include <linux/pci_regs.h> #include <linux/module.h> #include <linux/ioport.h> #include <linux/etherdevice.h> #include <linux/of_address.h> #include <asm/prom.h> -#include <asm/pci-bridge.h> - -#ifdef CONFIG_PCI -int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) -{ - struct device_node *dn, *ppnode; - struct pci_dev *ppdev; - u32 lspec; - u32 laddr[3]; - u8 pin; - int rc; - - /* Check if we have a device node, if yes, fallback to standard OF - * parsing - */ - dn = pci_device_to_OF_node(pdev); - if (dn) { - rc = of_irq_map_one(dn, 0, out_irq); - if (!rc) - return rc; - } - - /* Ok, we don't, time to have fun. Let's start by building up an - * interrupt spec. we assume #interrupt-cells is 1, which is standard - * for PCI. If you do different, then don't use that routine. - */ - rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); - if (rc != 0) - return rc; - /* No pin, exit */ - if (pin == 0) - return -ENODEV; - - /* Now we walk up the PCI tree */ - lspec = pin; - for (;;) { - /* Get the pci_dev of our parent */ - ppdev = pdev->bus->self; - - /* Ouch, it's a host bridge... */ - if (ppdev == NULL) { -#ifdef CONFIG_PPC64 - ppnode = pci_bus_to_OF_node(pdev->bus); -#else - struct pci_controller *host; - host = pci_bus_to_host(pdev->bus); - ppnode = host ? host->dn : NULL; -#endif - /* No node for host bridge ? give up */ - if (ppnode == NULL) - return -EINVAL; - } else - /* We found a P2P bridge, check if it has a node */ - ppnode = pci_device_to_OF_node(ppdev); - - /* Ok, we have found a parent with a device-node, hand over to - * the OF parsing code. - * We build a unit address from the linux device to be used for - * resolution. Note that we use the linux bus number which may - * not match your firmware bus numbering. - * Fortunately, in most cases, interrupt-map-mask doesn't include - * the bus number as part of the matching. - * You should still be careful about that though if you intend - * to rely on this function (you ship a firmware that doesn't - * create device nodes for all PCI devices). - */ - if (ppnode) - break; - - /* We can only get here if we hit a P2P bridge with no node, - * let's do standard swizzling and try again - */ - lspec = pci_swizzle_interrupt_pin(pdev, lspec); - pdev = ppdev; - } - - laddr[0] = (pdev->bus->number << 16) - | (pdev->devfn << 8); - laddr[1] = laddr[2] = 0; - return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq); -} -EXPORT_SYMBOL_GPL(of_irq_map_pci); -#endif /* CONFIG_PCI */ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, unsigned long *busno, unsigned long *phys, unsigned long *size) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 8a0deefac08d..b9150f07d266 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -160,7 +160,7 @@ SECTIONS INIT_RAM_FS } - PERCPU(PAGE_SIZE) + PERCPU(L1_CACHE_BYTES, PAGE_SIZE) . = ALIGN(8); .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index fd4812329570..0dc95c0aa3be 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1516,7 +1516,8 @@ int start_topology_update(void) { int rc = 0; - if (firmware_has_feature(FW_FEATURE_VPHN) && + /* Disabled until races with load balancing are fixed */ + if (0 && firmware_has_feature(FW_FEATURE_VPHN) && get_lppaca()->shared_proc) { vphn_enabled = 1; setup_cpu_associativity_change_counters(); diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 1ec06576f619..c14d09f614f3 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -38,13 +38,11 @@ DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); * neesd to be flushed. This function will either perform the flush * immediately or will batch it up if the current CPU has an active * batch on it. - * - * Must be called from within some kind of spinlock/non-preempt region... */ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long pte, int huge) { - struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); + struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch); unsigned long vsid, vaddr; unsigned int psize; int ssize; @@ -99,6 +97,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, */ if (!batch->active) { flush_hash_page(vaddr, rpte, psize, ssize, 0); + put_cpu_var(ppc64_tlb_batch); return; } @@ -127,6 +126,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, batch->index = ++i; if (i >= PPC64_TLB_BATCH_NR) __flush_tlb_pending(batch); + put_cpu_var(ppc64_tlb_batch); } /* diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c index 0dad9a935eb5..1757d1db4b51 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c @@ -147,8 +147,7 @@ mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) return 0; } -static int __devinit mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int __devinit mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev) { struct mpc52xx_gpiochip *chip; struct mpc52xx_gpio_wkup __iomem *regs; @@ -191,7 +190,7 @@ static const struct of_device_id mpc52xx_wkup_gpiochip_match[] = { {} }; -static struct of_platform_driver mpc52xx_wkup_gpiochip_driver = { +static struct platform_driver mpc52xx_wkup_gpiochip_driver = { .driver = { .name = "gpio_wkup", .owner = THIS_MODULE, @@ -310,8 +309,7 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) return 0; } -static int __devinit mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int __devinit mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev) { struct mpc52xx_gpiochip *chip; struct gpio_chip *gc; @@ -349,7 +347,7 @@ static const struct of_device_id mpc52xx_simple_gpiochip_match[] = { {} }; -static struct of_platform_driver mpc52xx_simple_gpiochip_driver = { +static struct platform_driver mpc52xx_simple_gpiochip_driver = { .driver = { .name = "gpio", .owner = THIS_MODULE, @@ -361,10 +359,10 @@ static struct of_platform_driver mpc52xx_simple_gpiochip_driver = { static int __init mpc52xx_gpio_init(void) { - if (of_register_platform_driver(&mpc52xx_wkup_gpiochip_driver)) + if (platform_driver_register(&mpc52xx_wkup_gpiochip_driver)) printk(KERN_ERR "Unable to register wakeup GPIO driver\n"); - if (of_register_platform_driver(&mpc52xx_simple_gpiochip_driver)) + if (platform_driver_register(&mpc52xx_simple_gpiochip_driver)) printk(KERN_ERR "Unable to register simple GPIO driver\n"); return 0; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index e0d703c7fdf7..859abf1c6d4b 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -721,8 +721,7 @@ static inline int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt, /* --------------------------------------------------------------------- * of_platform bus binding code */ -static int __devinit mpc52xx_gpt_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int __devinit mpc52xx_gpt_probe(struct platform_device *ofdev) { struct mpc52xx_gpt_priv *gpt; @@ -781,7 +780,7 @@ static const struct of_device_id mpc52xx_gpt_match[] = { {} }; -static struct of_platform_driver mpc52xx_gpt_driver = { +static struct platform_driver mpc52xx_gpt_driver = { .driver = { .name = "mpc52xx-gpt", .owner = THIS_MODULE, @@ -793,10 +792,7 @@ static struct of_platform_driver mpc52xx_gpt_driver = { static int __init mpc52xx_gpt_init(void) { - if (of_register_platform_driver(&mpc52xx_gpt_driver)) - pr_err("error registering MPC52xx GPT driver\n"); - - return 0; + return platform_driver_register(&mpc52xx_gpt_driver); } /* Make sure GPIOs and IRQs get set up before anyone tries to use them */ diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index f4ac213c89c0..6385d883cb8d 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -436,8 +436,7 @@ void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req) } EXPORT_SYMBOL(mpc52xx_lpbfifo_abort); -static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op, - const struct of_device_id *match) +static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op) { struct resource res; int rc = -ENOMEM; @@ -536,7 +535,7 @@ static struct of_device_id mpc52xx_lpbfifo_match[] __devinitconst = { {}, }; -static struct of_platform_driver mpc52xx_lpbfifo_driver = { +static struct platform_driver mpc52xx_lpbfifo_driver = { .driver = { .name = "mpc52xx-lpbfifo", .owner = THIS_MODULE, @@ -551,14 +550,12 @@ static struct of_platform_driver mpc52xx_lpbfifo_driver = { */ static int __init mpc52xx_lpbfifo_init(void) { - pr_debug("Registering LocalPlus bus FIFO driver\n"); - return of_register_platform_driver(&mpc52xx_lpbfifo_driver); + return platform_driver_register(&mpc52xx_lpbfifo_driver); } module_init(mpc52xx_lpbfifo_init); static void __exit mpc52xx_lpbfifo_exit(void) { - pr_debug("Unregistering LocalPlus bus FIFO driver\n"); - of_unregister_platform_driver(&mpc52xx_lpbfifo_driver); + platform_driver_unregister(&mpc52xx_lpbfifo_driver); } module_exit(mpc52xx_lpbfifo_exit); diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c index 1565e0446dc8..10ff526cd046 100644 --- a/arch/powerpc/platforms/82xx/ep8248e.c +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -111,8 +111,7 @@ static struct mdiobb_ctrl ep8248e_mdio_ctrl = { .ops = &ep8248e_mdio_ops, }; -static int __devinit ep8248e_mdio_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int __devinit ep8248e_mdio_probe(struct platform_device *ofdev) { struct mii_bus *bus; struct resource res; @@ -167,7 +166,7 @@ static const struct of_device_id ep8248e_mdio_match[] = { {}, }; -static struct of_platform_driver ep8248e_mdio_driver = { +static struct platform_driver ep8248e_mdio_driver = { .driver = { .name = "ep8248e-mdio-bitbang", .owner = THIS_MODULE, @@ -308,7 +307,7 @@ static __initdata struct of_device_id of_bus_ids[] = { static int __init declare_of_platform_devices(void) { of_platform_bus_probe(NULL, of_bus_ids, NULL); - of_register_platform_driver(&ep8248e_mdio_driver); + platform_driver_register(&ep8248e_mdio_driver); return 0; } diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index fd4f2f2f19e6..188272934cfb 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -318,14 +318,18 @@ static const struct platform_suspend_ops mpc83xx_suspend_ops = { .end = mpc83xx_suspend_end, }; -static int pmc_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int pmc_probe(struct platform_device *ofdev) { struct device_node *np = ofdev->dev.of_node; struct resource res; - struct pmc_type *type = match->data; + struct pmc_type *type; int ret = 0; + if (!ofdev->dev.of_match) + return -EINVAL; + + type = ofdev->dev.of_match->data; + if (!of_device_is_available(np)) return -ENODEV; @@ -422,7 +426,7 @@ static struct of_device_id pmc_match[] = { {} }; -static struct of_platform_driver pmc_driver = { +static struct platform_driver pmc_driver = { .driver = { .name = "mpc83xx-pmc", .owner = THIS_MODULE, @@ -434,7 +438,7 @@ static struct of_platform_driver pmc_driver = { static int pmc_init(void) { - return of_register_platform_driver(&pmc_driver); + return platform_driver_register(&pmc_driver); } module_init(pmc_init); diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index e3e379c6caa7..c35099af340e 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -328,7 +328,7 @@ static struct irq_host_ops msic_host_ops = { .map = msic_host_map, }; -static int axon_msi_shutdown(struct platform_device *device) +static void axon_msi_shutdown(struct platform_device *device) { struct axon_msic *msic = dev_get_drvdata(&device->dev); u32 tmp; @@ -338,12 +338,9 @@ static int axon_msi_shutdown(struct platform_device *device) tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG); tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE; msic_dcr_write(msic, MSIC_CTRL_REG, tmp); - - return 0; } -static int axon_msi_probe(struct platform_device *device, - const struct of_device_id *device_id) +static int axon_msi_probe(struct platform_device *device) { struct device_node *dn = device->dev.of_node; struct axon_msic *msic; @@ -446,7 +443,7 @@ static const struct of_device_id axon_msi_device_id[] = { {} }; -static struct of_platform_driver axon_msi_driver = { +static struct platform_driver axon_msi_driver = { .probe = axon_msi_probe, .shutdown = axon_msi_shutdown, .driver = { @@ -458,7 +455,7 @@ static struct of_platform_driver axon_msi_driver = { static int __init axon_msi_init(void) { - return of_register_platform_driver(&axon_msi_driver); + return platform_driver_register(&axon_msi_driver); } subsys_initcall(axon_msi_init); diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index 187a7d32f86a..a3d2ce54ea2e 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -70,7 +70,7 @@ static long do_spu_create(const char __user *pathname, unsigned int flags, if (!IS_ERR(tmp)) { struct nameidata nd; - ret = path_lookup(tmp, LOOKUP_PARENT, &nd); + ret = kern_path_parent(tmp, &nd); if (!ret) { nd.flags |= LOOKUP_OPEN | LOOKUP_CREATE; ret = spufs_create(&nd, flags, mode, neighbor); diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c index fdb7384c0c4f..f0491cc28900 100644 --- a/arch/powerpc/platforms/iseries/dt.c +++ b/arch/powerpc/platforms/iseries/dt.c @@ -242,8 +242,8 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) pft_size[0] = 0; /* NUMA CEC cookie, 0 for non NUMA */ pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE); - for (i = 0; i < NR_CPUS; i++) { - if (lppaca_of(i).dyn_proc_status >= 2) + for (i = 0; i < NR_LPPACAS; i++) { + if (lppaca[i].dyn_proc_status >= 2) continue; snprintf(p, 32 - (p - buf), "@%d", i); @@ -251,7 +251,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) dt_prop_str(dt, "device_type", device_type_cpu); - index = lppaca_of(i).dyn_hv_phys_proc_index; + index = lppaca[i].dyn_hv_phys_proc_index; d = &xIoHriProcessorVpd[index]; dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024); diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index b0863410517f..2946ae10fbfd 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -680,6 +680,7 @@ void * __init iSeries_early_setup(void) * on but calling this function multiple times is fine. */ identify_cpu(0, mfspr(SPRN_PVR)); + initialise_paca(&boot_paca, 0); powerpc_firmware_features |= FW_FEATURE_ISERIES; powerpc_firmware_features |= FW_FEATURE_LPAR; diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index a5d907b5a4c2..9886296e08da 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -216,8 +216,7 @@ static int gpio_mdio_reset(struct mii_bus *bus) } -static int __devinit gpio_mdio_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int __devinit gpio_mdio_probe(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; struct device_node *np = ofdev->dev.of_node; @@ -299,7 +298,7 @@ static struct of_device_id gpio_mdio_match[] = }; MODULE_DEVICE_TABLE(of, gpio_mdio_match); -static struct of_platform_driver gpio_mdio_driver = +static struct platform_driver gpio_mdio_driver = { .probe = gpio_mdio_probe, .remove = gpio_mdio_remove, @@ -326,13 +325,13 @@ int gpio_mdio_init(void) if (!gpio_regs) return -ENODEV; - return of_register_platform_driver(&gpio_mdio_driver); + return platform_driver_register(&gpio_mdio_driver); } module_init(gpio_mdio_init); void gpio_mdio_exit(void) { - of_unregister_platform_driver(&gpio_mdio_driver); + platform_driver_unregister(&gpio_mdio_driver); if (gpio_regs) iounmap(gpio_regs); } diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index bc8803664140..33867ec4a234 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -17,6 +17,54 @@ #include <asm/pSeries_reconfig.h> #include <asm/sparsemem.h> +static unsigned long get_memblock_size(void) +{ + struct device_node *np; + unsigned int memblock_size = 0; + + np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); + if (np) { + const unsigned long *size; + + size = of_get_property(np, "ibm,lmb-size", NULL); + memblock_size = size ? *size : 0; + + of_node_put(np); + } else { + unsigned int memzero_size = 0; + const unsigned int *regs; + + np = of_find_node_by_path("/memory@0"); + if (np) { + regs = of_get_property(np, "reg", NULL); + memzero_size = regs ? regs[3] : 0; + of_node_put(np); + } + + if (memzero_size) { + /* We now know the size of memory@0, use this to find + * the first memoryblock and get its size. + */ + char buf[64]; + + sprintf(buf, "/memory@%x", memzero_size); + np = of_find_node_by_path(buf); + if (np) { + regs = of_get_property(np, "reg", NULL); + memblock_size = regs ? regs[3] : 0; + of_node_put(np); + } + } + } + + return memblock_size; +} + +unsigned long memory_block_size_bytes(void) +{ + return get_memblock_size(); +} + static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size) { unsigned long start, start_pfn; @@ -127,30 +175,22 @@ static int pseries_add_memory(struct device_node *np) static int pseries_drconf_memory(unsigned long *base, unsigned int action) { - struct device_node *np; - const unsigned long *lmb_size; + unsigned long memblock_size; int rc; - np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); - if (!np) + memblock_size = get_memblock_size(); + if (!memblock_size) return -EINVAL; - lmb_size = of_get_property(np, "ibm,lmb-size", NULL); - if (!lmb_size) { - of_node_put(np); - return -EINVAL; - } - if (action == PSERIES_DRCONF_MEM_ADD) { - rc = memblock_add(*base, *lmb_size); + rc = memblock_add(*base, memblock_size); rc = (rc < 0) ? -EINVAL : 0; } else if (action == PSERIES_DRCONF_MEM_REMOVE) { - rc = pseries_remove_memblock(*base, *lmb_size); + rc = pseries_remove_memblock(*base, memblock_size); } else { rc = -EINVAL; } - of_node_put(np); return rc; } diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 5fcc92a12d3e..3bf4488aaec6 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -149,7 +149,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) if (dn->child) eeh_add_device_tree_early(dn); - pcibios_scan_phb(phb, dn); + pcibios_scan_phb(phb); pcibios_finish_adding_to_bus(phb->bus); return phb; diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 2659a60bd7b8..27402c7d309d 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -172,10 +172,9 @@ static const struct block_device_operations axon_ram_devops = { /** * axon_ram_probe - probe() method for platform driver - * @device, @device_id: see of_platform_driver method + * @device: see platform_driver method */ -static int axon_ram_probe(struct platform_device *device, - const struct of_device_id *device_id) +static int axon_ram_probe(struct platform_device *device) { static int axon_ram_bank_id = -1; struct axon_ram_bank *bank; @@ -326,7 +325,7 @@ static struct of_device_id axon_ram_device_id[] = { {} }; -static struct of_platform_driver axon_ram_driver = { +static struct platform_driver axon_ram_driver = { .probe = axon_ram_probe, .remove = axon_ram_remove, .driver = { @@ -350,7 +349,7 @@ axon_ram_init(void) } azfs_minor = 0; - return of_register_platform_driver(&axon_ram_driver); + return platform_driver_register(&axon_ram_driver); } /** @@ -359,7 +358,7 @@ axon_ram_init(void) static void __exit axon_ram_exit(void) { - of_unregister_platform_driver(&axon_ram_driver); + platform_driver_unregister(&axon_ram_driver); unregister_blkdev(azfs_major, AXON_RAM_DEVICE_NAME); } diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c index 650256115064..b3fbb271be87 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm.c +++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c @@ -365,8 +365,7 @@ bcom_engine_cleanup(void) /* OF platform driver */ /* ======================================================================== */ -static int __devinit mpc52xx_bcom_probe(struct platform_device *op, - const struct of_device_id *match) +static int __devinit mpc52xx_bcom_probe(struct platform_device *op) { struct device_node *ofn_sram; struct resource res_bcom; @@ -492,7 +491,7 @@ static struct of_device_id mpc52xx_bcom_of_match[] = { MODULE_DEVICE_TABLE(of, mpc52xx_bcom_of_match); -static struct of_platform_driver mpc52xx_bcom_of_platform_driver = { +static struct platform_driver mpc52xx_bcom_of_platform_driver = { .probe = mpc52xx_bcom_probe, .remove = mpc52xx_bcom_remove, .driver = { @@ -510,13 +509,13 @@ static struct of_platform_driver mpc52xx_bcom_of_platform_driver = { static int __init mpc52xx_bcom_init(void) { - return of_register_platform_driver(&mpc52xx_bcom_of_platform_driver); + return platform_driver_register(&mpc52xx_bcom_of_platform_driver); } static void __exit mpc52xx_bcom_exit(void) { - of_unregister_platform_driver(&mpc52xx_bcom_of_platform_driver); + platform_driver_unregister(&mpc52xx_bcom_of_platform_driver); } /* If we're not a module, we must make sure everything is setup before */ diff --git a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c index cc8d6556d799..2b9f0c925326 100644 --- a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c +++ b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c @@ -71,8 +71,7 @@ static int __init get_offset_from_cmdline(char *str) __setup("cache-sram-size=", get_size_from_cmdline); __setup("cache-sram-offset=", get_offset_from_cmdline); -static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev, - const struct of_device_id *match) +static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev) { long rval; unsigned int rem; @@ -204,7 +203,7 @@ static struct of_device_id mpc85xx_l2ctlr_of_match[] = { {}, }; -static struct of_platform_driver mpc85xx_l2ctlr_of_platform_driver = { +static struct platform_driver mpc85xx_l2ctlr_of_platform_driver = { .driver = { .name = "fsl-l2ctlr", .owner = THIS_MODULE, @@ -216,12 +215,12 @@ static struct of_platform_driver mpc85xx_l2ctlr_of_platform_driver = { static __init int mpc85xx_l2ctlr_of_init(void) { - return of_register_platform_driver(&mpc85xx_l2ctlr_of_platform_driver); + return platform_driver_register(&mpc85xx_l2ctlr_of_platform_driver); } static void __exit mpc85xx_l2ctlr_of_exit(void) { - of_unregister_platform_driver(&mpc85xx_l2ctlr_of_platform_driver); + platform_driver_unregister(&mpc85xx_l2ctlr_of_platform_driver); } subsys_initcall(mpc85xx_l2ctlr_of_init); diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 108d76fa8f1c..ee6a8a52ac71 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -273,8 +273,7 @@ static int fsl_of_msi_remove(struct platform_device *ofdev) return 0; } -static int __devinit fsl_of_msi_probe(struct platform_device *dev, - const struct of_device_id *match) +static int __devinit fsl_of_msi_probe(struct platform_device *dev) { struct fsl_msi *msi; struct resource res; @@ -282,11 +281,15 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev, int rc; int virt_msir; const u32 *p; - struct fsl_msi_feature *features = match->data; + struct fsl_msi_feature *features; struct fsl_msi_cascade_data *cascade_data = NULL; int len; u32 offset; + if (!dev->dev.of_match) + return -EINVAL; + features = dev->dev.of_match->data; + printk(KERN_DEBUG "Setting up Freescale MSI support\n"); msi = kzalloc(sizeof(struct fsl_msi), GFP_KERNEL); @@ -411,7 +414,7 @@ static const struct of_device_id fsl_of_msi_ids[] = { {} }; -static struct of_platform_driver fsl_of_msi_driver = { +static struct platform_driver fsl_of_msi_driver = { .driver = { .name = "fsl-msi", .owner = THIS_MODULE, @@ -423,7 +426,7 @@ static struct of_platform_driver fsl_of_msi_driver = { static __init int fsl_of_msi_init(void) { - return of_register_platform_driver(&fsl_of_msi_driver); + return platform_driver_register(&fsl_of_msi_driver); } subsys_initcall(fsl_of_msi_init); diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c index e9381bfefb21..f122e8961d32 100644 --- a/arch/powerpc/sysdev/fsl_pmc.c +++ b/arch/powerpc/sysdev/fsl_pmc.c @@ -58,8 +58,7 @@ static const struct platform_suspend_ops pmc_suspend_ops = { .enter = pmc_suspend_enter, }; -static int pmc_probe(struct platform_device *ofdev, - const struct of_device_id *id) +static int pmc_probe(struct platform_device *ofdev) { pmc_regs = of_iomap(ofdev->dev.of_node, 0); if (!pmc_regs) @@ -76,7 +75,7 @@ static const struct of_device_id pmc_ids[] = { { }, }; -static struct of_platform_driver pmc_driver = { +static struct platform_driver pmc_driver = { .driver = { .name = "fsl-pmc", .owner = THIS_MODULE, @@ -87,6 +86,6 @@ static struct of_platform_driver pmc_driver = { static int __init pmc_init(void) { - return of_register_platform_driver(&pmc_driver); + return platform_driver_register(&pmc_driver); } device_initcall(pmc_init); diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 8c6cab013278..3eff2c3a9ad5 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -1570,8 +1570,7 @@ err_ops: /* The probe function for RapidIO peer-to-peer network. */ -static int __devinit fsl_of_rio_rpn_probe(struct platform_device *dev, - const struct of_device_id *match) +static int __devinit fsl_of_rio_rpn_probe(struct platform_device *dev) { int rc; printk(KERN_INFO "Setting up RapidIO peer-to-peer network %s\n", @@ -1594,7 +1593,7 @@ static const struct of_device_id fsl_of_rio_rpn_ids[] = { {}, }; -static struct of_platform_driver fsl_of_rio_rpn_driver = { +static struct platform_driver fsl_of_rio_rpn_driver = { .driver = { .name = "fsl-of-rio", .owner = THIS_MODULE, @@ -1605,7 +1604,7 @@ static struct of_platform_driver fsl_of_rio_rpn_driver = { static __init int fsl_of_rio_rpn_init(void) { - return of_register_platform_driver(&fsl_of_rio_rpn_driver); + return platform_driver_register(&fsl_of_rio_rpn_driver); } subsys_initcall(fsl_of_rio_rpn_init); diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 4260f368db52..8ce4fc3d9828 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -121,8 +121,7 @@ static void pmi_notify_handlers(struct work_struct *work) spin_unlock(&data->handler_spinlock); } -static int pmi_of_probe(struct platform_device *dev, - const struct of_device_id *match) +static int pmi_of_probe(struct platform_device *dev) { struct device_node *np = dev->dev.of_node; int rc; @@ -205,7 +204,7 @@ static int pmi_of_remove(struct platform_device *dev) return 0; } -static struct of_platform_driver pmi_of_platform_driver = { +static struct platform_driver pmi_of_platform_driver = { .probe = pmi_of_probe, .remove = pmi_of_remove, .driver = { @@ -217,13 +216,13 @@ static struct of_platform_driver pmi_of_platform_driver = { static int __init pmi_module_init(void) { - return of_register_platform_driver(&pmi_of_platform_driver); + return platform_driver_register(&pmi_of_platform_driver); } module_init(pmi_module_init); static void __exit pmi_module_exit(void) { - of_unregister_platform_driver(&pmi_of_platform_driver); + platform_driver_unregister(&pmi_of_platform_driver); } module_exit(pmi_module_exit); diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 90020de4dcf2..904c6cbaf45b 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -659,8 +659,7 @@ static int qe_resume(struct platform_device *ofdev) return 0; } -static int qe_probe(struct platform_device *ofdev, - const struct of_device_id *id) +static int qe_probe(struct platform_device *ofdev) { return 0; } @@ -670,7 +669,7 @@ static const struct of_device_id qe_ids[] = { { }, }; -static struct of_platform_driver qe_driver = { +static struct platform_driver qe_driver = { .driver = { .name = "fsl-qe", .owner = THIS_MODULE, @@ -682,7 +681,7 @@ static struct of_platform_driver qe_driver = { static int __init qe_drv_init(void) { - return of_register_platform_driver(&qe_driver); + return platform_driver_register(&qe_driver); } device_initcall(qe_drv_init); #endif /* defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) */ |
