diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/pSeries_reconfig.h | 47 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/prom.h | 16 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/rtas.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rtas.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/p1022_ds.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/os-area.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/dlpar.c | 34 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-cpu.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-memory.c | 60 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/mobility.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/reconfig.c | 119 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 1 |
19 files changed, 111 insertions, 254 deletions
diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h deleted file mode 100644 index c07edfe98b98..000000000000 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _PPC64_PSERIES_RECONFIG_H -#define _PPC64_PSERIES_RECONFIG_H -#ifdef __KERNEL__ - -#include <linux/notifier.h> - -/* - * Use this API if your code needs to know about OF device nodes being - * added or removed on pSeries systems. - */ - -#define PSERIES_RECONFIG_ADD 0x0001 -#define PSERIES_RECONFIG_REMOVE 0x0002 -#define PSERIES_DRCONF_MEM_ADD 0x0003 -#define PSERIES_DRCONF_MEM_REMOVE 0x0004 -#define PSERIES_UPDATE_PROPERTY 0x0005 - -/** - * pSeries_reconfig_notify - Notifier value structure for OFDT property updates - * - * @node: Device tree node which owns the property being updated - * @property: Updated property - */ -struct pSeries_reconfig_prop_update { - struct device_node *node; - struct property *property; -}; - -#ifdef CONFIG_PPC_PSERIES -extern int pSeries_reconfig_notifier_register(struct notifier_block *); -extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); -extern int pSeries_reconfig_notify(unsigned long action, void *p); -/* Not the best place to put this, will be fixed when we move some - * of the rtas suspend-me stuff to pseries */ -extern void pSeries_coalesce_init(void); -#else /* !CONFIG_PPC_PSERIES */ -static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) -{ - return 0; -} -static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { } -static inline void pSeries_coalesce_init(void) { } -#endif /* CONFIG_PPC_PSERIES */ - - -#endif /* __KERNEL__ */ -#endif /* _PPC64_PSERIES_RECONFIG_H */ diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index b5c91901e384..99c92d5363e4 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -58,6 +58,22 @@ static inline int of_node_to_nid(struct device_node *device) { return 0; } extern void of_instantiate_rtc(void); +/* The of_drconf_cell struct defines the layout of the LMB array + * specified in the device tree property + * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory + */ +struct of_drconf_cell { + u64 base_addr; + u32 drc_index; + u32 reserved; + u32 aa_index; + u32 flags; +}; + +#define DRCONF_MEM_ASSIGNED 0x00000008 +#define DRCONF_MEM_AI_INVALID 0x00000040 +#define DRCONF_MEM_RESERVED 0x00000080 + /* These includes are put at the bottom because they may contain things * that are overridden by this file. Ideally they shouldn't be included * by this file, but there are a bunch of .c files that currently depend diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 557cff845dee..aef00c675905 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -353,8 +353,13 @@ static inline int page_is_rtas_user_buf(unsigned long pfn) return 1; return 0; } + +/* Not the best place to put pSeries_coalesce_init, will be fixed when we + * move some of the rtas suspend-me stuff to pseries */ +extern void pSeries_coalesce_init(void); #else static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;} +static inline void pSeries_coalesce_init(void) { } #endif extern int call_rtas(const char *, int, int, unsigned long *, ...); diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index fa9f6c72f557..e1ec57e87b3b 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -218,23 +218,23 @@ static void __init export_crashk_values(struct device_node *node) * be sure what's in them, so remove them. */ prop = of_find_property(node, "linux,crashkernel-base", NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); prop = of_find_property(node, "linux,crashkernel-size", NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); if (crashk_res.start != 0) { - prom_add_property(node, &crashk_base_prop); + of_add_property(node, &crashk_base_prop); crashk_size = resource_size(&crashk_res); - prom_add_property(node, &crashk_size_prop); + of_add_property(node, &crashk_size_prop); } /* * memory_limit is required by the kexec-tools to limit the * crash regions to the actual memory used. */ - prom_update_property(node, &memory_limit_prop); + of_update_property(node, &memory_limit_prop); } static int __init kexec_setup(void) @@ -249,11 +249,11 @@ static int __init kexec_setup(void) /* remove any stale properties so ours can be found */ prop = of_find_property(node, kernel_end_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); /* information needed by userspace when using default_machine_kexec */ kernel_end = __pa(_end); - prom_add_property(node, &kernel_end_prop); + of_add_property(node, &kernel_end_prop); export_crashk_values(node); diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index d7f609086a99..7206701b1ff1 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -389,14 +389,14 @@ static int __init export_htab_values(void) /* remove any stale propertys so ours can be found */ prop = of_find_property(node, htab_base_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); prop = of_find_property(node, htab_size_prop.name, NULL); if (prop) - prom_remove_property(node, prop); + of_remove_property(node, prop); htab_base = __pa(htab_address); - prom_add_property(node, &htab_base_prop); - prom_add_property(node, &htab_size_prop); + of_add_property(node, &htab_base_prop); + of_add_property(node, &htab_size_prop); of_node_put(node); return 0; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 4b06ec5a502e..64f526a321f5 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -208,7 +208,7 @@ pci_create_OF_bus_map(void) of_prop->name = "pci-OF-bus-map"; of_prop->length = 256; of_prop->value = &of_prop[1]; - prom_add_property(dn, of_prop); + of_add_property(dn, of_prop); of_node_put(dn); } } diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f5ca76a79c88..8b6f7a99cce2 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -32,6 +32,7 @@ #include <linux/debugfs.h> #include <linux/irq.h> #include <linux/memblock.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -49,7 +50,6 @@ #include <asm/btext.h> #include <asm/sections.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/pci-bridge.h> #include <asm/kexec.h> #include <asm/opal.h> @@ -803,7 +803,7 @@ static int prom_reconfig_notifier(struct notifier_block *nb, int err; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = of_finish_dynamic_node(node); if (err < 0) printk(KERN_ERR "finish_node returned %d\n", err); @@ -822,7 +822,7 @@ static struct notifier_block prom_reconfig_nb = { static int __init prom_reconfig_setup(void) { - return pSeries_reconfig_notifier_register(&prom_reconfig_nb); + return of_reconfig_notifier_register(&prom_reconfig_nb); } __initcall(prom_reconfig_setup); #endif diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index fcec38241f79..1fd6e7b2f390 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -42,7 +42,6 @@ #include <asm/time.h> #include <asm/mmu.h> #include <asm/topology.h> -#include <asm/pSeries_reconfig.h> struct rtas_t rtas = { .lock = __ARCH_SPIN_LOCK_UNLOCKED diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 59213cfaeca9..bba87ca2b4d7 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -399,18 +399,6 @@ static unsigned long read_n_cells(int n, const unsigned int **buf) return result; } -struct of_drconf_cell { - u64 base_addr; - u32 drc_index; - u32 reserved; - u32 aa_index; - u32 flags; -}; - -#define DRCONF_MEM_ASSIGNED 0x00000008 -#define DRCONF_MEM_AI_INVALID 0x00000040 -#define DRCONF_MEM_RESERVED 0x00000080 - /* * Read the next memblock list entry from the ibm,dynamic-memory property * and return the information in the provided of_drconf_cell structure. diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index 848a3e98e1c1..8fb12570b2f5 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -539,7 +539,7 @@ static void __init p1022_ds_setup_arch(void) }; /* - * prom_update_property() is called before + * of_update_property() is called before * kmalloc() is available, so the 'new' object * should be allocated in the global area. * The easiest way is to do that is to @@ -548,7 +548,7 @@ static void __init p1022_ds_setup_arch(void) */ pr_info("p1022ds: disabling %s node", np2->full_name); - prom_update_property(np2, &nor_status); + of_update_property(np2, &nor_status); of_node_put(np2); } @@ -564,7 +564,7 @@ static void __init p1022_ds_setup_arch(void) pr_info("p1022ds: disabling %s node", np2->full_name); - prom_update_property(np2, &nand_status); + of_update_property(np2, &nand_status); of_node_put(np2); } diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 56d26bc4fd41..09787139834d 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -280,13 +280,13 @@ static void os_area_set_property(struct device_node *node, if (tmp) { pr_debug("%s:%d found %s\n", __func__, __LINE__, prop->name); - prom_remove_property(node, tmp); + of_remove_property(node, tmp); } - result = prom_add_property(node, prop); + result = of_add_property(node, prop); if (result) - pr_debug("%s:%d prom_set_property failed\n", __func__, + pr_debug("%s:%d of_set_property failed\n", __func__, __LINE__); } diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 0f1b706506ed..a1a7b9a67ffd 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -13,17 +13,16 @@ #include <linux/kernel.h> #include <linux/kref.h> #include <linux/notifier.h> -#include <linux/proc_fs.h> #include <linux/spinlock.h> #include <linux/cpu.h> #include <linux/slab.h> +#include <linux/of.h> #include "offline_states.h" #include <asm/prom.h> #include <asm/machdep.h> #include <asm/uaccess.h> #include <asm/rtas.h> -#include <asm/pSeries_reconfig.h> struct cc_workarea { u32 drc_index; @@ -255,9 +254,6 @@ static struct device_node *derive_parent(const char *path) int dlpar_attach_node(struct device_node *dn) { -#ifdef CONFIG_PROC_DEVICETREE - struct proc_dir_entry *ent; -#endif int rc; of_node_set_flag(dn, OF_DYNAMIC); @@ -266,44 +262,26 @@ int dlpar_attach_node(struct device_node *dn) if (!dn->parent) return -ENOMEM; - rc = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, dn); + rc = of_attach_node(dn); if (rc) { printk(KERN_ERR "Failed to add device node %s\n", dn->full_name); return rc; } - of_attach_node(dn); - -#ifdef CONFIG_PROC_DEVICETREE - ent = proc_mkdir(strrchr(dn->full_name, '/') + 1, dn->parent->pde); - if (ent) - proc_device_tree_add_node(dn, ent); -#endif - of_node_put(dn->parent); return 0; } int dlpar_detach_node(struct device_node *dn) { -#ifdef CONFIG_PROC_DEVICETREE - struct device_node *parent = dn->parent; - struct property *prop = dn->properties; - - while (prop) { - remove_proc_entry(prop->name, dn->pde); - prop = prop->next; - } + int rc; - if (dn->pde) - remove_proc_entry(dn->pde->name, parent->pde); -#endif + rc = of_detach_node(dn); + if (rc) + return rc; - pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, dn); - of_detach_node(dn); of_node_put(dn); /* Must decrement the refcount */ - return 0; } diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 64c97d8ac0c5..a38956269fbf 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -23,12 +23,12 @@ #include <linux/delay.h> #include <linux/sched.h> /* for idle_task_exit */ #include <linux/cpu.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/firmware.h> #include <asm/machdep.h> #include <asm/vdso_datapage.h> -#include <asm/pSeries_reconfig.h> #include <asm/xics.h> #include "plpar_wrappers.h" #include "offline_states.h" @@ -333,10 +333,10 @@ static int pseries_smp_notifier(struct notifier_block *nb, int err = 0; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = pseries_add_processor(node); break; - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: pseries_remove_processor(node); break; } @@ -399,7 +399,7 @@ static int __init pseries_cpu_hotplug_init(void) /* Processors can be added/removed only on LPAR */ if (firmware_has_feature(FW_FEATURE_LPAR)) { - pSeries_reconfig_notifier_register(&pseries_smp_nb); + of_reconfig_notifier_register(&pseries_smp_nb); cpu_maps_update_begin(); if (cede_offline_enabled && parse_cede_parameters() == 0) { default_offline_state = CPU_STATE_INACTIVE; diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index ecdb0a6b3171..2372c609fa2b 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -16,7 +16,6 @@ #include <asm/firmware.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/sparsemem.h> static unsigned long get_memblock_size(void) @@ -187,42 +186,69 @@ static int pseries_add_memory(struct device_node *np) return (ret < 0) ? -EINVAL : 0; } -static int pseries_drconf_memory(unsigned long *base, unsigned int action) +static int pseries_update_drconf_memory(struct of_prop_reconfig *pr) { + struct of_drconf_cell *new_drmem, *old_drmem; unsigned long memblock_size; - int rc; + u32 entries; + u32 *p; + int i, rc = -EINVAL; memblock_size = get_memblock_size(); if (!memblock_size) return -EINVAL; - if (action == PSERIES_DRCONF_MEM_ADD) { - rc = memblock_add(*base, memblock_size); - rc = (rc < 0) ? -EINVAL : 0; - } else if (action == PSERIES_DRCONF_MEM_REMOVE) { - rc = pseries_remove_memblock(*base, memblock_size); - } else { - rc = -EINVAL; + p = (u32 *)of_get_property(pr->dn, "ibm,dynamic-memory", NULL); + if (!p) + return -EINVAL; + + /* The first int of the property is the number of lmb's described + * by the property. This is followed by an array of of_drconf_cell + * entries. Get the niumber of entries and skip to the array of + * of_drconf_cell's. + */ + entries = *p++; + old_drmem = (struct of_drconf_cell *)p; + + p = (u32 *)pr->prop->value; + p++; + new_drmem = (struct of_drconf_cell *)p; + + for (i = 0; i < entries; i++) { + if ((old_drmem[i].flags & DRCONF_MEM_ASSIGNED) && + (!(new_drmem[i].flags & DRCONF_MEM_ASSIGNED))) { + rc = pseries_remove_memblock(old_drmem[i].base_addr, + memblock_size); + break; + } else if ((!(old_drmem[i].flags & DRCONF_MEM_ASSIGNED)) && + (new_drmem[i].flags & DRCONF_MEM_ASSIGNED)) { + rc = memblock_add(old_drmem[i].base_addr, + memblock_size); + rc = (rc < 0) ? -EINVAL : 0; + break; + } } return rc; } static int pseries_memory_notifier(struct notifier_block *nb, - unsigned long action, void *node) + unsigned long action, void *node) { + struct of_prop_reconfig *pr; int err = 0; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: err = pseries_add_memory(node); break; - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: err = pseries_remove_memory(node); break; - case PSERIES_DRCONF_MEM_ADD: - case PSERIES_DRCONF_MEM_REMOVE: - err = pseries_drconf_memory(node, action); + case OF_RECONFIG_UPDATE_PROPERTY: + pr = (struct of_prop_reconfig *)node; + if (!strcmp(pr->prop->name, "ibm,dynamic-memory")) + err = pseries_update_drconf_memory(pr); break; } return notifier_from_errno(err); @@ -235,7 +261,7 @@ static struct notifier_block pseries_mem_nb = { static int __init pseries_memory_hotplug_init(void) { if (firmware_has_feature(FW_FEATURE_LPAR)) - pSeries_reconfig_notifier_register(&pseries_mem_nb); + of_reconfig_notifier_register(&pseries_mem_nb); return 0; } diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 6153eea27ce7..e2685badb5db 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -36,13 +36,13 @@ #include <linux/dma-mapping.h> #include <linux/crash_dump.h> #include <linux/memory.h> +#include <linux/of.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/iommu.h> #include <asm/pci-bridge.h> #include <asm/machdep.h> -#include <asm/pSeries_reconfig.h> #include <asm/firmware.h> #include <asm/tce.h> #include <asm/ppc-pci.h> @@ -760,7 +760,7 @@ static void remove_ddw(struct device_node *np) __remove_ddw(np, ddw_avail, liobn); delprop: - ret = prom_remove_property(np, win64); + ret = of_remove_property(np, win64); if (ret) pr_warning("%s: failed to remove direct window property: %d\n", np->full_name, ret); @@ -1070,7 +1070,7 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) goto out_free_window; } - ret = prom_add_property(pdn, win64); + ret = of_add_property(pdn, win64); if (ret) { dev_err(&dev->dev, "unable to add dma window property for %s: %d", pdn->full_name, ret); @@ -1294,7 +1294,7 @@ static int iommu_reconfig_notifier(struct notifier_block *nb, unsigned long acti struct direct_window *window; switch (action) { - case PSERIES_RECONFIG_REMOVE: + case OF_RECONFIG_DETACH_NODE: if (pci && pci->iommu_table) iommu_free_table(pci->iommu_table, np->full_name); @@ -1357,7 +1357,7 @@ void iommu_init_early_pSeries(void) } - pSeries_reconfig_notifier_register(&iommu_reconfig_nb); + of_reconfig_notifier_register(&iommu_reconfig_nb); register_memory_notifier(&iommu_mem_nb); set_pci_dma_ops(&dma_iommu_ops); diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index dd30b12edfe4..6573808cc5f3 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -116,7 +116,7 @@ static int update_dt_property(struct device_node *dn, struct property **prop, } if (!more) { - prom_update_property(dn, new_prop); + of_update_property(dn, new_prop); new_prop = NULL; } @@ -172,7 +172,7 @@ static int update_dt_node(u32 phandle) case 0x80000000: prop = of_find_property(dn, prop_name, NULL); - prom_remove_property(dn, prop); + of_remove_property(dn, prop); prop = NULL; break; diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 39f71fba9b38..30b358dc2beb 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -16,55 +16,13 @@ #include <linux/notifier.h> #include <linux/proc_fs.h> #include <linux/slab.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/uaccess.h> -#include <asm/pSeries_reconfig.h> #include <asm/mmu.h> - - -/* - * Routines for "runtime" addition and removal of device tree nodes. - */ -#ifdef CONFIG_PROC_DEVICETREE -/* - * Add a node to /proc/device-tree. - */ -static void add_node_proc_entries(struct device_node *np) -{ - struct proc_dir_entry *ent; - - ent = proc_mkdir(strrchr(np->full_name, '/') + 1, np->parent->pde); - if (ent) - proc_device_tree_add_node(np, ent); -} - -static void remove_node_proc_entries(struct device_node *np) -{ - struct property *pp = np->properties; - struct device_node *parent = np->parent; - - while (pp) { - remove_proc_entry(pp->name, np->pde); - pp = pp->next; - } - if (np->pde) - remove_proc_entry(np->pde->name, parent->pde); -} -#else /* !CONFIG_PROC_DEVICETREE */ -static void add_node_proc_entries(struct device_node *np) -{ - return; -} - -static void remove_node_proc_entries(struct device_node *np) -{ - return; -} -#endif /* CONFIG_PROC_DEVICETREE */ - /** * derive_parent - basically like dirname(1) * @path: the full_name of a node to be added to the tree @@ -97,28 +55,6 @@ static struct device_node *derive_parent(const char *path) return parent; } -static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); - -int pSeries_reconfig_notifier_register(struct notifier_block *nb) -{ - return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register); - -void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) -{ - blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb); -} -EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister); - -int pSeries_reconfig_notify(unsigned long action, void *p) -{ - int err = blocking_notifier_call_chain(&pSeries_reconfig_chain, - action, p); - - return notifier_to_errno(err); -} - static int pSeries_reconfig_add_node(const char *path, struct property *proplist) { struct device_node *np; @@ -142,16 +78,12 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist goto out_err; } - err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np); + err = of_attach_node(np); if (err) { printk(KERN_ERR "Failed to add device node %s\n", path); goto out_err; } - of_attach_node(np); - - add_node_proc_entries(np); - of_node_put(np->parent); return 0; @@ -179,11 +111,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) return -EBUSY; } - remove_node_proc_entries(np); - - pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np); of_detach_node(np); - of_node_put(parent); of_node_put(np); /* Must decrement the refcount */ return 0; @@ -398,7 +326,7 @@ static int do_add_property(char *buf, size_t bufsize) if (!prop) return -ENOMEM; - prom_add_property(np, prop); + of_add_property(np, prop); return 0; } @@ -422,16 +350,15 @@ static int do_remove_property(char *buf, size_t bufsize) prop = of_find_property(np, buf, NULL); - return prom_remove_property(np, prop); + return of_remove_property(np, prop); } static int do_update_property(char *buf, size_t bufsize) { struct device_node *np; - struct pSeries_reconfig_prop_update upd_value; unsigned char *value; char *name, *end, *next_prop; - int rc, length; + int length; struct property *newprop; buf = parse_node(buf, bufsize, &np); end = buf + bufsize; @@ -453,41 +380,7 @@ static int do_update_property(char *buf, size_t bufsize) if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size")) slb_set_size(*(int *)value); - upd_value.node = np; - upd_value.property = newprop; - pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value); - - rc = prom_update_property(np, newprop); - if (rc) - return rc; - - /* For memory under the ibm,dynamic-reconfiguration-memory node - * of the device tree, adding and removing memory is just an update - * to the ibm,dynamic-memory property instead of adding/removing a - * memory node in the device tree. For these cases we still need to - * involve the notifier chain. - */ - if (!strcmp(name, "ibm,dynamic-memory")) { - int action; - - next_prop = parse_next_property(next_prop, end, &name, - &length, &value); - if (!next_prop) - return -EINVAL; - - if (!strcmp(name, "add")) - action = PSERIES_DRCONF_MEM_ADD; - else - action = PSERIES_DRCONF_MEM_REMOVE; - - rc = pSeries_reconfig_notify(action, value); - if (rc) { - prom_update_property(np, newprop); - return rc; - } - } - - return 0; + return of_update_property(np, newprop); } /** diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index e3cb7ae61658..e1a5b8a32d25 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -40,6 +40,7 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/cpuidle.h> +#include <linux/of.h> #include <asm/mmu.h> #include <asm/processor.h> @@ -63,7 +64,6 @@ #include <asm/smp.h> #include <asm/firmware.h> #include <asm/eeh.h> -#include <asm/pSeries_reconfig.h> #include "plpar_wrappers.h" #include "pseries.h" @@ -258,7 +258,7 @@ static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long act int err = NOTIFY_OK; switch (action) { - case PSERIES_RECONFIG_ADD: + case OF_RECONFIG_ATTACH_NODE: pci = np->parent->data; if (pci) { update_dn_pci_info(np, pci->phb); @@ -389,7 +389,7 @@ static void __init pSeries_setup_arch(void) /* Find and initialize PCI host bridges */ init_pci_config_tokens(); find_and_init_phbs(); - pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb); + of_reconfig_notifier_register(&pci_dn_reconfig_nb); pSeries_nvram_init(); diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 71706bc34a0d..9fc0a4941908 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -38,7 +38,6 @@ #include <asm/cputable.h> #include <asm/firmware.h> #include <asm/rtas.h> -#include <asm/pSeries_reconfig.h> #include <asm/mpic.h> #include <asm/vdso_datapage.h> #include <asm/cputhreads.h> |