diff options
Diffstat (limited to 'arch/powerpc/kernel')
30 files changed, 439 insertions, 279 deletions
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 4734b5de599..5c9ff7f5c44 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -241,7 +241,7 @@ static int emulate_dcbz(struct pt_regs *regs, unsigned char __user *addr) if (user_mode(regs) && !access_ok(VERIFY_WRITE, p, size)) return -EFAULT; for (i = 0; i < size / sizeof(long); ++i) - if (__put_user(0, p+i)) + if (__put_user_inatomic(0, p+i)) return -EFAULT; return 1; } @@ -288,7 +288,8 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, } else { unsigned long pc = regs->nip ^ (swiz & 4); - if (__get_user(instr, (unsigned int __user *)pc)) + if (__get_user_inatomic(instr, + (unsigned int __user *)pc)) return -EFAULT; if (swiz == 0 && (flags & SW)) instr = cpu_to_le32(instr); @@ -324,27 +325,31 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, ((nb0 + 3) / 4) * sizeof(unsigned long)); for (i = 0; i < nb; ++i, ++p) - if (__get_user(REG_BYTE(rptr, i ^ bswiz), SWIZ_PTR(p))) + if (__get_user_inatomic(REG_BYTE(rptr, i ^ bswiz), + SWIZ_PTR(p))) return -EFAULT; if (nb0 > 0) { rptr = ®s->gpr[0]; addr += nb; for (i = 0; i < nb0; ++i, ++p) - if (__get_user(REG_BYTE(rptr, i ^ bswiz), - SWIZ_PTR(p))) + if (__get_user_inatomic(REG_BYTE(rptr, + i ^ bswiz), + SWIZ_PTR(p))) return -EFAULT; } } else { for (i = 0; i < nb; ++i, ++p) - if (__put_user(REG_BYTE(rptr, i ^ bswiz), SWIZ_PTR(p))) + if (__put_user_inatomic(REG_BYTE(rptr, i ^ bswiz), + SWIZ_PTR(p))) return -EFAULT; if (nb0 > 0) { rptr = ®s->gpr[0]; addr += nb; for (i = 0; i < nb0; ++i, ++p) - if (__put_user(REG_BYTE(rptr, i ^ bswiz), - SWIZ_PTR(p))) + if (__put_user_inatomic(REG_BYTE(rptr, + i ^ bswiz), + SWIZ_PTR(p))) return -EFAULT; } } @@ -398,7 +403,8 @@ int fix_alignment(struct pt_regs *regs) if (cpu_has_feature(CPU_FTR_PPC_LE) && (regs->msr & MSR_LE)) pc ^= 4; - if (unlikely(__get_user(instr, (unsigned int __user *)pc))) + if (unlikely(__get_user_inatomic(instr, + (unsigned int __user *)pc))) return -EFAULT; if (cpu_has_feature(CPU_FTR_REAL_LE) && (regs->msr & MSR_LE)) instr = cpu_to_le32(instr); @@ -474,16 +480,16 @@ int fix_alignment(struct pt_regs *regs) p = (unsigned long) addr; switch (nb) { case 8: - ret |= __get_user(data.v[0], SWIZ_PTR(p++)); - ret |= __get_user(data.v[1], SWIZ_PTR(p++)); - ret |= __get_user(data.v[2], SWIZ_PTR(p++)); - ret |= __get_user(data.v[3], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[0], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[1], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[2], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[3], SWIZ_PTR(p++)); case 4: - ret |= __get_user(data.v[4], SWIZ_PTR(p++)); - ret |= __get_user(data.v[5], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[4], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[5], SWIZ_PTR(p++)); case 2: - ret |= __get_user(data.v[6], SWIZ_PTR(p++)); - ret |= __get_user(data.v[7], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[6], SWIZ_PTR(p++)); + ret |= __get_user_inatomic(data.v[7], SWIZ_PTR(p++)); if (unlikely(ret)) return -EFAULT; } @@ -551,16 +557,16 @@ int fix_alignment(struct pt_regs *regs) p = (unsigned long) addr; switch (nb) { case 8: - ret |= __put_user(data.v[0], SWIZ_PTR(p++)); - ret |= __put_user(data.v[1], SWIZ_PTR(p++)); - ret |= __put_user(data.v[2], SWIZ_PTR(p++)); - ret |= __put_user(data.v[3], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[0], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[1], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[2], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[3], SWIZ_PTR(p++)); case 4: - ret |= __put_user(data.v[4], SWIZ_PTR(p++)); - ret |= __put_user(data.v[5], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[4], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[5], SWIZ_PTR(p++)); case 2: - ret |= __put_user(data.v[6], SWIZ_PTR(p++)); - ret |= __put_user(data.v[7], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[6], SWIZ_PTR(p++)); + ret |= __put_user_inatomic(data.v[7], SWIZ_PTR(p++)); } if (unlikely(ret)) return -EFAULT; diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 3678997339d..e7b684689e0 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -161,33 +161,33 @@ int btext_initialize(struct device_node *np) unsigned long address = 0; const u32 *prop; - prop = get_property(np, "linux,bootx-width", NULL); + prop = of_get_property(np, "linux,bootx-width", NULL); if (prop == NULL) - prop = get_property(np, "width", NULL); + prop = of_get_property(np, "width", NULL); if (prop == NULL) return -EINVAL; width = *prop; - prop = get_property(np, "linux,bootx-height", NULL); + prop = of_get_property(np, "linux,bootx-height", NULL); if (prop == NULL) - prop = get_property(np, "height", NULL); + prop = of_get_property(np, "height", NULL); if (prop == NULL) return -EINVAL; height = *prop; - prop = get_property(np, "linux,bootx-depth", NULL); + prop = of_get_property(np, "linux,bootx-depth", NULL); if (prop == NULL) - prop = get_property(np, "depth", NULL); + prop = of_get_property(np, "depth", NULL); if (prop == NULL) return -EINVAL; depth = *prop; pitch = width * ((depth + 7) / 8); - prop = get_property(np, "linux,bootx-linebytes", NULL); + prop = of_get_property(np, "linux,bootx-linebytes", NULL); if (prop == NULL) - prop = get_property(np, "linebytes", NULL); + prop = of_get_property(np, "linebytes", NULL); if (prop && *prop != 0xffffffffu) pitch = *prop; if (pitch == 1) pitch = 0x1000; - prop = get_property(np, "address", NULL); + prop = of_get_property(np, "address", NULL); if (prop) address = *prop; @@ -219,7 +219,7 @@ int __init btext_find_display(int allow_nonstdout) struct device_node *np = NULL; int rc = -ENODEV; - name = get_property(of_chosen, "linux,stdout-path", NULL); + name = of_get_property(of_chosen, "linux,stdout-path", NULL); if (name != NULL) { np = of_find_node_by_path(name); if (np != NULL) { @@ -236,7 +236,7 @@ int __init btext_find_display(int allow_nonstdout) return rc; for (np = NULL; (np = of_find_node_by_type(np, "display"));) { - if (get_property(np, "linux,opened", NULL)) { + if (of_get_property(np, "linux,opened", NULL)) { printk("trying %s ...\n", np->full_name); rc = btext_initialize(np); printk("result: %d\n", rc); diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 5a53cebd17e..aff5398a5f6 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -1734,10 +1734,6 @@ _STATIC(__boot_from_prom) /* We never return */ trap -/* - * At this point, r3 contains the physical address we are running at, - * returned by prom_init() - */ _STATIC(__after_prom_start) /* diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 8ed1163c0bd..9a8c9af43b2 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -44,8 +44,6 @@ #include <asm/ibmebus.h> #include <asm/abs_addr.h> -#define MAX_LOC_CODE_LENGTH 80 - static struct device ibmebus_bus_device = { /* fake "parent" device */ .bus_id = "ibmebus", }; @@ -193,7 +191,7 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node( const char *loc_code; int length; - loc_code = get_property(dn, "ibm,loc-code", NULL); + loc_code = of_get_property(dn, "ibm,loc-code", NULL); if (!loc_code) { printk(KERN_WARNING "%s: node %s missing 'ibm,loc-code'\n", __FUNCTION__, dn->name ? dn->name : "<unknown>"); @@ -253,15 +251,14 @@ static void ibmebus_add_devices_by_id(struct of_device_id *idt) return; } -static int ibmebus_match_helper_name(struct device *dev, void *data) +static int ibmebus_match_name(struct device *dev, void *data) { const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev); - char *name; + const char *name; - name = (char*)get_property( - ebus_dev->ofdev.node, "name", NULL); + name = of_get_property(ebus_dev->ofdev.node, "name", NULL); - if (name && (strcmp((char*)data, name) == 0)) + if (name && (strcmp(data, name) == 0)) return 1; return 0; @@ -281,7 +278,7 @@ static void ibmebus_remove_devices_by_id(struct of_device_id *idt) while (strlen(idt->name) > 0) { while ((dev = bus_find_device(&ibmebus_bus_type, NULL, (void*)idt->name, - ibmebus_match_helper_name))) { + ibmebus_match_name))) { ibmebus_unregister_device(dev); } idt++; @@ -363,7 +360,7 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev); - char *name = (char*)get_property(ebus_dev->ofdev.node, "name", NULL); + const char *name = of_get_property(ebus_dev->ofdev.node, "name", NULL); return sprintf(buf, "%s\n", name); } @@ -372,18 +369,30 @@ static struct device_attribute ibmebus_dev_attrs[] = { __ATTR_NULL }; -static int ibmebus_match_helper_loc_code(struct device *dev, void *data) +static int ibmebus_match_path(struct device *dev, void *data) { - const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev); - char *loc_code; + int rc; + struct device_node *dn = + of_node_get(to_ibmebus_dev(dev)->ofdev.node); - loc_code = (char*)get_property( - ebus_dev->ofdev.node, "ibm,loc-code", NULL); + rc = (dn->full_name && (strcasecmp((char*)data, dn->full_name) == 0)); - if (loc_code && (strcmp((char*)data, loc_code) == 0)) - return 1; + of_node_put(dn); + return rc; +} - return 0; +static char *ibmebus_chomp(const char *in, size_t count) +{ + char *out = (char*)kmalloc(count + 1, GFP_KERNEL); + if (!out) + return NULL; + + memcpy(out, in, count); + out[count] = '\0'; + if (out[count - 1] == '\n') + out[count - 1] = '\0'; + + return out; } static ssize_t ibmebus_store_probe(struct bus_type *bus, @@ -391,65 +400,59 @@ static ssize_t ibmebus_store_probe(struct bus_type *bus, { struct device_node *dn = NULL; struct ibmebus_dev *dev; - char *loc_code; - char parm[MAX_LOC_CODE_LENGTH]; - - if (count >= MAX_LOC_CODE_LENGTH) - return -EINVAL; - memcpy(parm, buf, count); - parm[count] = '\0'; - if (parm[count-1] == '\n') - parm[count-1] = '\0'; - - if (bus_find_device(&ibmebus_bus_type, NULL, parm, - ibmebus_match_helper_loc_code)) { - printk(KERN_WARNING "%s: loc_code %s has already been probed\n", - __FUNCTION__, parm); - return -EINVAL; + char *path; + ssize_t rc; + + path = ibmebus_chomp(buf, count); + if (!path) + return -ENOMEM; + + if (bus_find_device(&ibmebus_bus_type, NULL, path, + ibmebus_match_path)) { + printk(KERN_WARNING "%s: %s has already been probed\n", + __FUNCTION__, path); + rc = -EINVAL; + goto out; } - while ((dn = of_find_all_nodes(dn))) { - loc_code = (char *)get_property(dn, "ibm,loc-code", NULL); - if (loc_code && (strncmp(loc_code, parm, count) == 0)) { - dev = ibmebus_register_device_node(dn); - if (IS_ERR(dev)) { - of_node_put(dn); - return PTR_ERR(dev); - } else - return count; /* success */ - } + if ((dn = of_find_node_by_path(path))) { + dev = ibmebus_register_device_node(dn); + of_node_put(dn); + rc = IS_ERR(dev) ? PTR_ERR(dev) : count; + } else { + printk(KERN_WARNING "%s: no such device node: %s\n", + __FUNCTION__, path); + rc = -ENODEV; } - /* if we drop out of the loop, the loc code was invalid */ - printk(KERN_WARNING "%s: no device with loc_code %s found\n", - __FUNCTION__, parm); - return -ENODEV; +out: + kfree(path); + return rc; } static ssize_t ibmebus_store_remove(struct bus_type *bus, const char *buf, size_t count) { struct device *dev; - char parm[MAX_LOC_CODE_LENGTH]; + char *path; - if (count >= MAX_LOC_CODE_LENGTH) - return -EINVAL; - memcpy(parm, buf, count); - parm[count] = '\0'; - if (parm[count-1] == '\n') - parm[count-1] = '\0'; - - /* The location code is unique, so we will find one device at most */ - if ((dev = bus_find_device(&ibmebus_bus_type, NULL, parm, - ibmebus_match_helper_loc_code))) { + path = ibmebus_chomp(buf, count); + if (!path) + return -ENOMEM; + + if ((dev = bus_find_device(&ibmebus_bus_type, NULL, path, + ibmebus_match_path))) { ibmebus_unregister_device(dev); + + kfree(path); + return count; } else { - printk(KERN_WARNING "%s: loc_code %s not on the bus\n", - __FUNCTION__, parm); + printk(KERN_WARNING "%s: %s not on the bus\n", + __FUNCTION__, path); + + kfree(path); return -ENODEV; } - - return count; } static struct bus_attribute ibmebus_bus_attrs[] = { diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index c50d7072f30..d2598e2e7bb 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -47,6 +47,8 @@ static int novmerge = 0; static int novmerge = 1; #endif +static int protect4gb = 1; + static inline unsigned long iommu_num_pages(unsigned long vaddr, unsigned long slen) { @@ -58,6 +60,16 @@ static inline unsigned long iommu_num_pages(unsigned long vaddr, return npages; } +static int __init setup_protect4gb(char *str) +{ + if (strcmp(str, "on") == 0) + protect4gb = 1; + else if (strcmp(str, "off") == 0) + protect4gb = 0; + + return 1; +} + static int __init setup_iommu(char *str) { if (!strcmp(str, "novmerge")) @@ -67,6 +79,7 @@ static int __init setup_iommu(char *str) return 1; } +__setup("protect4gb=", setup_protect4gb); __setup("iommu=", setup_iommu); static unsigned long iommu_range_alloc(struct iommu_table *tbl, @@ -439,6 +452,9 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) { unsigned long sz; + unsigned long start_index, end_index; + unsigned long entries_per_4g; + unsigned long index; static int welcomed = 0; struct page *page; @@ -460,7 +476,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) #ifdef CONFIG_CRASH_DUMP if (ppc_md.tce_get) { - unsigned long index, tceval; + unsigned long tceval; unsigned long tcecount = 0; /* @@ -490,6 +506,23 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size); #endif + /* + * DMA cannot cross 4 GB boundary. Mark last entry of each 4 + * GB chunk as reserved. + */ + if (protect4gb) { + entries_per_4g = 0x100000000l >> IOMMU_PAGE_SHIFT; + + /* Mark the last bit before a 4GB boundary as used */ + start_index = tbl->it_offset | (entries_per_4g - 1); + start_index -= tbl->it_offset; + + end_index = tbl->it_size; + + for (index = start_index; index < end_index - 1; index += entries_per_4g) + __set_bit(index, tbl->it_map); + } + if (!welcomed) { printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", novmerge ? "disabled" : "enabled"); diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 325f490a10c..63dd2c3ad95 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -44,12 +44,12 @@ static int __init add_legacy_port(struct device_node *np, int want_index, int index; /* get clock freq. if present */ - clk = get_property(np, "clock-frequency", NULL); + clk = of_get_property(np, "clock-frequency", NULL); if (clk && *clk) clock = *clk; /* get default speed if present */ - spd = get_property(np, "current-speed", NULL); + spd = of_get_property(np, "current-speed", NULL); /* If we have a location index, then try to use it */ if (want_index >= 0 && want_index < MAX_LEGACY_SERIAL_PORTS) @@ -121,11 +121,11 @@ static int __init add_legacy_soc_port(struct device_node *np, /* We only support ports that have a clock frequency properly * encoded in the device-tree. */ - if (get_property(np, "clock-frequency", NULL) == NULL) + if (of_get_property(np, "clock-frequency", NULL) == NULL) return -1; /* if rtas uses this device, don't try to use it as well */ - if (get_property(np, "used-by-rtas", NULL) != NULL) + if (of_get_property(np, "used-by-rtas", NULL) != NULL) return -1; /* Get the address */ @@ -157,7 +157,7 @@ static int __init add_legacy_isa_port(struct device_node *np, DBG(" -> add_legacy_isa_port(%s)\n", np->full_name); /* Get the ISA port number */ - reg = get_property(np, "reg", NULL); + reg = of_get_property(np, "reg", NULL); if (reg == NULL) return -1; @@ -168,7 +168,7 @@ static int __init add_legacy_isa_port(struct device_node *np, /* Now look for an "ibm,aix-loc" property that gives us ordering * if any... */ - typep = get_property(np, "ibm,aix-loc", NULL); + typep = of_get_property(np, "ibm,aix-loc", NULL); /* If we have a location index, then use it */ if (typep && *typep == 'S') @@ -206,7 +206,7 @@ static int __init add_legacy_pci_port(struct device_node *np, * compatible UARTs on PCI need all sort of quirks (port offsets * etc...) that this code doesn't know about */ - if (get_property(np, "clock-frequency", NULL) == NULL) + if (of_get_property(np, "clock-frequency", NULL) == NULL) return -1; /* Get the PCI address. Assume BAR 0 */ @@ -232,7 +232,7 @@ static int __init add_legacy_pci_port(struct device_node *np, * we get to their "reg" property */ if (np != pci_dev) { - const u32 *reg = get_property(np, "reg", NULL); + const u32 *reg = of_get_property(np, "reg", NULL); if (reg && (*reg < 4)) index = lindex = *reg; } @@ -296,7 +296,7 @@ void __init find_legacy_serial_ports(void) DBG(" -> find_legacy_serial_port()\n"); /* Now find out if one of these is out firmware console */ - path = get_property(of_chosen, "linux,stdout-path", NULL); + path = of_get_property(of_chosen, "linux,stdout-path", NULL); if (path != NULL) { stdout = of_find_node_by_path(path); if (stdout) @@ -529,7 +529,7 @@ static int __init check_legacy_serial_console(void) } /* We are getting a weird phandle from OF ... */ /* ... So use the full path instead */ - name = get_property(of_chosen, "linux,stdout-path", NULL); + name = of_get_property(of_chosen, "linux,stdout-path", NULL); if (name == NULL) { DBG(" no linux,stdout-path !\n"); return -ENODEV; @@ -541,12 +541,12 @@ static int __init check_legacy_serial_console(void) } DBG("stdout is %s\n", prom_stdout->full_name); - name = get_property(prom_stdout, "name", NULL); + name = of_get_property(prom_stdout, "name", NULL); if (!name) { DBG(" stdout package has no name !\n"); goto not_found; } - spd = get_property(prom_stdout, "current-speed", NULL); + spd = of_get_property(prom_stdout, "current-speed", NULL); if (spd) speed = *spd; diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 89486b63128..b8dc1eeb016 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -323,7 +323,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v) rtas_node = find_path_device("/rtas"); if (rtas_node) - lrdrp = get_property(rtas_node, "ibm,lrdr-capacity", NULL); + lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL); if (lrdrp == NULL) { partition_potential_processors = vdso_data->processorCount; @@ -539,21 +539,22 @@ static int lparcfg_data(struct seq_file *m, void *v) rootdn = find_path_device("/"); if (rootdn) { - tmp = get_property(rootdn, "model", NULL); + tmp = of_get_property(rootdn, "model", NULL); if (tmp) { model = tmp; /* Skip "IBM," - see platforms/iseries/dt.c */ if (firmware_has_feature(FW_FEATURE_ISERIES)) model += 4; } - tmp = get_property(rootdn, "system-id", NULL); + tmp = of_get_property(rootdn, "system-id", NULL); if (tmp) { system_id = tmp; /* Skip "IBM," - see platforms/iseries/dt.c */ if (firmware_has_feature(FW_FEATURE_ISERIES)) system_id += 4; } - lp_index_ptr = get_property(rootdn, "ibm,partition-no", NULL); + lp_index_ptr = of_get_property(rootdn, "ibm,partition-no", + NULL); if (lp_index_ptr) lp_index = *lp_index_ptr; } diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index a24b09c2771..704375bda73 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -72,8 +72,8 @@ int default_machine_kexec_prepare(struct kimage *image) /* We also should not overwrite the tce tables */ for (node = of_find_node_by_type(NULL, "pci"); node != NULL; node = of_find_node_by_type(node, "pci")) { - basep = get_property(node, "linux,tce-base", NULL); - sizep = get_property(node, "linux,tce-size", NULL); + basep = of_get_property(node, "linux,tce-base", NULL); + sizep = of_get_property(node, "linux,tce-size", NULL); if (basep == NULL || sizep == NULL) continue; @@ -294,19 +294,19 @@ static unsigned long htab_base, kernel_end; static struct property htab_base_prop = { .name = "linux,htab-base", .length = sizeof(unsigned long), - .value = (unsigned char *)&htab_base, + .value = &htab_base, }; static struct property htab_size_prop = { .name = "linux,htab-size", .length = sizeof(unsigned long), - .value = (unsigned char *)&htab_size_bytes, + .value = &htab_size_bytes, }; static struct property kernel_end_prop = { .name = "linux,kernel-end", .length = sizeof(unsigned long), - .value = (unsigned char *)&kernel_end, + .value = &kernel_end, }; static void __init export_htab_values(void) @@ -335,7 +335,7 @@ static void __init export_htab_values(void) static struct property crashk_base_prop = { .name = "linux,crashkernel-base", .length = sizeof(unsigned long), - .value = (unsigned char *)&crashk_res.start, + .value = &crashk_res.start, }; static unsigned long crashk_size; @@ -343,7 +343,7 @@ static unsigned long crashk_size; static struct property crashk_size_prop = { .name = "linux,crashkernel-size", .length = sizeof(unsigned long), - .value = (unsigned char *)&crashk_size, + .value = &crashk_size, }; static void __init export_crashk_values(void) diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index e921514e655..e8aa1f3675b 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -120,6 +120,117 @@ void of_device_unregister(struct of_device *ofdev) } +static ssize_t of_device_get_modalias(struct of_device *ofdev, + char *str, ssize_t len) +{ + const char *compat; + int cplen, i; + ssize_t tsize, csize, repend; + + /* Name & Type */ + csize = snprintf(str, len, "of:N%sT%s", + ofdev->node->name, ofdev->node->type); + + /* Get compatible property if any */ + compat = get_property(ofdev->node, "compatible", &cplen); + if (!compat) + return csize; + + /* Find true end (we tolerate multiple \0 at the end */ + for (i=(cplen-1); i>=0 && !compat[i]; i--) + cplen--; + if (!cplen) + return csize; + cplen++; + + /* Check space (need cplen+1 chars including final \0) */ + tsize = csize + cplen; + repend = tsize; + + if (csize>=len) /* @ the limit, all is already filled */ + return tsize; + + if (tsize>=len) { /* limit compat list */ + cplen = len-csize-1; + repend = len; + } + + /* Copy and do char replacement */ + memcpy(&str[csize+1], compat, cplen); + for (i=csize; i<repend; i++) { + char c = str[i]; + if (c=='\0') + str[i] = 'C'; + else if (c==' ') + str[i] = '_'; + } + + return tsize; +} + +int of_device_uevent(struct device *dev, + char **envp, int num_envp, char *buffer, int buffer_size) +{ + struct of_device *ofdev; + const char *compat; + int i = 0, length = 0, seen = 0, cplen, sl; + + if (!dev) + return -ENODEV; + + ofdev = to_of_device(dev); + + if (add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "OF_NAME=%s", ofdev->node->name)) + return -ENOMEM; + + if (add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "OF_TYPE=%s", ofdev->node->type)) + return -ENOMEM; + + /* Since the compatible field can contain pretty much anything + * it's not really legal to split it out with commas. We split it + * up using a number of environment variables instead. */ + + compat = get_property(ofdev->node, "compatible", &cplen); + while (compat && *compat && cplen > 0) { + if (add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "OF_COMPATIBLE_%d=%s", seen, compat)) + return -ENOMEM; + + sl = strlen (compat) + 1; + compat += sl; + cplen -= sl; + seen++; + } + + if (add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "OF_COMPATIBLE_N=%d", seen)) + return -ENOMEM; + + /* modalias is trickier, we add it in 2 steps */ + if (add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "MODALIAS=")) + return -ENOMEM; + + sl = of_device_get_modalias(ofdev, &buffer[length-1], + buffer_size-length); + if (sl >= (buffer_size-length)) + return -ENOMEM; + + length += sl; + + envp[i] = NULL; + + return 0; +} + + EXPORT_SYMBOL(of_match_node); EXPORT_SYMBOL(of_match_device); EXPORT_SYMBOL(of_device_register); @@ -127,3 +238,4 @@ EXPORT_SYMBOL(of_device_unregister); EXPORT_SYMBOL(of_dev_get); EXPORT_SYMBOL(of_dev_put); EXPORT_SYMBOL(of_release_dev); +EXPORT_SYMBOL(of_device_uevent); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index b7345176b39..d2fd9863318 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -133,6 +133,7 @@ static int of_platform_device_resume(struct device * dev) struct bus_type of_platform_bus_type = { .name = "of_platform", .match = of_platform_bus_match, + .uevent = of_device_uevent, .probe = of_platform_device_probe, .remove = of_platform_device_remove, .suspend = of_platform_device_suspend, @@ -177,7 +178,7 @@ static void of_platform_make_bus_id(struct of_device *dev) * and 'D' for MMIO DCRs. */ #ifdef CONFIG_PPC_DCR - reg = get_property(node, "dcr-reg", NULL); + reg = of_get_property(node, "dcr-reg", NULL); if (reg) { #ifdef CONFIG_PPC_DCR_NATIVE snprintf(name, BUS_ID_SIZE, "d%x.%s", @@ -197,7 +198,7 @@ static void of_platform_make_bus_id(struct of_device *dev) /* * For MMIO, get the physical address */ - reg = get_property(node, "reg", NULL); + reg = of_get_property(node, "reg", NULL); if (reg) { addr = of_translate_address(node, reg); if (addr != OF_BAD_ADDR) { diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index d8ef2e10050..ae04f941836 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -637,7 +637,7 @@ make_one_node_map(struct device_node* node, u8 pci_bus) if (pci_bus >= pci_bus_count) return; - bus_range = get_property(node, "bus-range", &len); + bus_range = of_get_property(node, "bus-range", &len); if (bus_range == NULL || len < 2 * sizeof(int)) { printk(KERN_WARNING "Can't get bus-range for %s, " "assuming it starts at 0\n", node->full_name); @@ -649,11 +649,11 @@ make_one_node_map(struct device_node* node, u8 pci_bus) struct pci_dev* dev; const unsigned int *class_code, *reg; - class_code = get_property(node, "class-code", NULL); + class_code = of_get_property(node, "class-code", NULL); if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) continue; - reg = get_property(node, "reg", NULL); + reg = of_get_property(node, "reg", NULL); if (!reg) continue; dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff)); @@ -724,7 +724,7 @@ scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* * a fake root for all functions of a multi-function device, * we go down them as well. */ - class_code = get_property(node, "class-code", NULL); + class_code = of_get_property(node, "class-code", NULL); if ((!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) && strcmp(node->name, "multifunc-device")) @@ -744,7 +744,7 @@ static struct device_node *scan_OF_for_pci_dev(struct device_node *parent, unsigned int psize; while ((np = of_get_next_child(parent, np)) != NULL) { - reg = get_property(np, "reg", &psize); + reg = of_get_property(np, "reg", &psize); if (reg == NULL || psize < 4) continue; if (((reg[0] >> 8) & 0xff) == devfn) @@ -859,7 +859,7 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn) if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child, find_OF_pci_device_filter, (void *)node)) return -ENODEV; - reg = get_property(node, "reg", NULL); + reg = of_get_property(node, "reg", NULL); if (!reg) return -ENODEV; *bus = (reg[0] >> 16) & 0xff; @@ -895,14 +895,14 @@ pci_process_bridge_OF_ranges(struct pci_controller *hose, int rlen = 0, orig_rlen; int memno = 0; struct resource *res; - int np, na = prom_n_addr_cells(dev); + int np, na = of_n_addr_cells(dev); np = na + 5; /* First we try to merge ranges to fix a problem with some pmacs * that can have more than 3 ranges, fortunately using contiguous * addresses -- BenH */ - dt_ranges = get_property(dev, "ranges", &rlen); + dt_ranges = of_get_property(dev, "ranges", &rlen); if (!dt_ranges) return; /* Sanity check, though hopefully that never happens */ @@ -1012,7 +1012,7 @@ pci_create_OF_bus_map(void) memset(of_prop, -1, sizeof(struct property) + 256); of_prop->name = "pci-OF-bus-map"; of_prop->length = 256; - of_prop->value = (unsigned char *)&of_prop[1]; + of_prop->value = &of_prop[1]; prom_add_property(find_path_device("/"), of_prop); } } diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index db1d40ef7d6..60d7d4baa22 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -268,7 +268,7 @@ static u32 get_int_prop(struct device_node *np, const char *name, u32 def) const u32 *prop; int len; - prop = get_property(np, name, &len); + prop = of_get_property(np, name, &len); if (prop && len >= 4) return *prop; return def; @@ -301,7 +301,7 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) u32 i; int proplen; - addrs = get_property(node, "assigned-addresses", &proplen); + addrs = of_get_property(node, "assigned-addresses", &proplen); if (!addrs) return; DBG(" parse addresses (%d bytes) @ %p\n", proplen, addrs); @@ -343,7 +343,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL); if (!dev) return NULL; - type = get_property(node, "device_type", NULL); + type = of_get_property(node, "device_type", NULL); if (type == NULL) type = ""; @@ -407,7 +407,7 @@ void __devinit of_scan_bus(struct device_node *node, while ((child = of_get_next_child(node, child)) != NULL) { DBG(" * %s\n", child->full_name); - reg = get_property(child, "reg", ®len); + reg = of_get_property(child, "reg", ®len); if (reg == NULL || reglen < 20) continue; devfn = (reg[0] >> 8) & 0xff; @@ -440,13 +440,13 @@ void __devinit of_scan_pci_bridge(struct device_node *node, DBG("of_scan_pci_bridge(%s)\n", node->full_name); /* parse bus-range property */ - busrange = get_property(node, "bus-range", &len); + busrange = of_get_property(node, "bus-range", &len); if (busrange == NULL || len != 8) { printk(KERN_DEBUG "Can't get bus-range for PCI-PCI bridge %s\n", node->full_name); return; } - ranges = get_property(node, "ranges", &len); + ranges = of_get_property(node, "ranges", &len); if (ranges == NULL) { printk(KERN_DEBUG "Can't get ranges for PCI-PCI bridge %s\n", node->full_name); @@ -910,7 +910,7 @@ static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node, unsigned int size; int rlen = 0; - range = get_property(isa_node, "ranges", &rlen); + range = of_get_property(isa_node, "ranges", &rlen); if (range == NULL || (rlen < sizeof(struct isa_range))) { printk(KERN_ERR "no ISA ranges or unexpected isa range size," "mapping 64k\n"); @@ -957,7 +957,7 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, int rlen = 0; int memno = 0; struct resource *res; - int np, na = prom_n_addr_cells(dev); + int np, na = of_n_addr_cells(dev); unsigned long pci_addr, cpu_phys_addr; np = na + 5; @@ -970,7 +970,7 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, * (size depending on dev->n_addr_cells) * cells 4+5 or 5+6: the size of the range */ - ranges = get_property(dev, "ranges", &rlen); + ranges = of_get_property(dev, "ranges", &rlen); if (ranges == NULL) return; hose->io_base_phys = 0; diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 68df018dae0..d7d36df9c05 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -40,7 +40,8 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data) { struct pci_controller *phb = data; - const int *type = get_property(dn, "ibm,pci-config-space-type", NULL); + const int *type = + of_get_property(dn, "ibm,pci-config-space-type", NULL); const u32 *regs; struct pci_dn *pdn; @@ -54,14 +55,14 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data) dn->data = pdn; pdn->node = dn; pdn->phb = phb; - regs = get_property(dn, "reg", NULL); + regs = of_get_property(dn, "reg", NULL); if (regs) { /* First register entry is addr (00BBSS00) */ pdn->busno = (regs[0] >> 16) & 0xff; pdn->devfn = (regs[0] >> 8) & 0xff; } if (firmware_has_feature(FW_FEATURE_ISERIES)) { - const u32 *busp = get_property(dn, "linux,subbus", NULL); + const u32 *busp = of_get_property(dn, "linux,subbus", NULL); if (busp) pdn->bussubno = *busp; } @@ -100,7 +101,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre, u32 class; nextdn = NULL; - classp = get_property(dn, "class-code", NULL); + classp = of_get_property(dn, "class-code", NULL); class = classp ? *classp : 0; if (pre && ((ret = pre(dn, data)) != NULL)) diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index ecee596d28f..005d2b34b33 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -20,7 +20,6 @@ #include <asm/processor.h> #include <asm/uaccess.h> #include <asm/io.h> -#include <asm/ide.h> #include <asm/atomic.h> #include <asm/checksum.h> #include <asm/pgtable.h> diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d7d7602e348..e509aae2feb 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -305,9 +305,7 @@ struct task_struct *__switch_to(struct task_struct *prev, set_dabr(new->thread.dabr); __get_cpu_var(current_dabr) = new->thread.dabr; } - - flush_tlb_pending(); -#endif +#endif /* CONFIG_PPC64 */ new_thread = &new->thread; old_thread = ¤t->thread; @@ -465,8 +463,13 @@ void flush_thread(void) #ifdef CONFIG_PPC64 struct thread_info *t = current_thread_info(); - if (t->flags & _TIF_ABI_PENDING) - t->flags ^= (_TIF_ABI_PENDING | _TIF_32BIT); + if (test_ti_thread_flag(t, TIF_ABI_PENDING)) { + clear_ti_thread_flag(t, TIF_ABI_PENDING); + if (test_ti_thread_flag(t, TIF_32BIT)) + clear_ti_thread_flag(t, TIF_32BIT); + else + set_ti_thread_flag(t, TIF_32BIT); + } #endif discard_lazy_cpu_state(); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index ef6bfb70b24..ec6921c54a0 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -390,18 +390,19 @@ static unsigned long __init unflatten_dt_node(unsigned long mem, if (allnextpp) { pp->name = "name"; pp->length = sz; - pp->value = (unsigned char *)(pp + 1); + pp->value = pp + 1; *prev_pp = pp; prev_pp = &pp->next; memcpy(pp->value, ps, sz - 1); ((char *)pp->value)[sz - 1] = 0; - DBG("fixed up name for %s -> %s\n", pathp, pp->value); + DBG("fixed up name for %s -> %s\n", pathp, + (char *)pp->value); } } if (allnextpp) { *prev_pp = NULL; - np->name = get_property(np, "name", NULL); - np->type = get_property(np, "device_type", NULL); + np->name = of_get_property(np, "name", NULL); + np->type = of_get_property(np, "device_type", NULL); if (!np->name) np->name = "<NULL>"; @@ -1041,37 +1042,35 @@ void __init early_init_devtree(void *params) #undef printk -int -prom_n_addr_cells(struct device_node* np) +int of_n_addr_cells(struct device_node* np) { const int *ip; do { if (np->parent) np = np->parent; - ip = get_property(np, "#address-cells", NULL); + ip = of_get_property(np, "#address-cells", NULL); if (ip != NULL) return *ip; } while (np->parent); /* No #address-cells property for the root node, default to 1 */ return 1; } -EXPORT_SYMBOL(prom_n_addr_cells); +EXPORT_SYMBOL(of_n_addr_cells); -int -prom_n_size_cells(struct device_node* np) +int of_n_size_cells(struct device_node* np) { const int* ip; do { if (np->parent) np = np->parent; - ip = get_property(np, "#size-cells", NULL); + ip = of_get_property(np, "#size-cells", NULL); if (ip != NULL) return *ip; } while (np->parent); /* No #size-cells property for the root node, default to 1 */ return 1; } -EXPORT_SYMBOL(prom_n_size_cells); +EXPORT_SYMBOL(of_n_size_cells); /** * Construct and return a list of the device_nodes with a given name. @@ -1131,12 +1130,13 @@ EXPORT_SYMBOL(find_all_nodes); /** Checks if the given "compat" string matches one of the strings in * the device's "compatible" property */ -int device_is_compatible(const struct device_node *device, const char *compat) +int of_device_is_compatible(const struct device_node *device, + const char *compat) { const char* cp; int cplen, l; - cp = get_property(device, "compatible", &cplen); + cp = of_get_property(device, "compatible", &cplen); if (cp == NULL) return 0; while (cplen > 0) { @@ -1149,7 +1149,7 @@ int device_is_compatible(const struct device_node *device, const char *compat) return 0; } -EXPORT_SYMBOL(device_is_compatible); +EXPORT_SYMBOL(of_device_is_compatible); /** @@ -1163,7 +1163,7 @@ int machine_is_compatible(const char *compat) root = of_find_node_by_path("/"); if (root) { - rc = device_is_compatible(root, compat); + rc = of_device_is_compatible(root, compat); of_node_put(root); } return rc; @@ -1184,7 +1184,7 @@ struct device_node *find_compatible_devices(const char *type, if (type != NULL && !(np->type != 0 && strcasecmp(np->type, type) == 0)) continue; - if (device_is_compatible(np, compat)) { + if (of_device_is_compatible(np, compat)) { *prevp = np; prevp = &np->next; } @@ -1300,7 +1300,7 @@ struct device_node *of_find_compatible_node(struct device_node *from, if (type != NULL && !(np->type != 0 && strcasecmp(np->type, type) == 0)) continue; - if (device_is_compatible(np, compatible) && of_node_get(np)) + if (of_device_is_compatible(np, compatible) && of_node_get(np)) break; } of_node_put(from); @@ -1547,8 +1547,8 @@ static int of_finish_dynamic_node(struct device_node *node) int err = 0; const phandle *ibm_phandle; - node->name = get_property(node, "name", NULL); - node->type = get_property(node, "device_type", NULL); + node->name = of_get_property(node, "name", NULL); + node->type = of_get_property(node, "device_type", NULL); if (!parent) { err = -ENODEV; @@ -1562,7 +1562,7 @@ static int of_finish_dynamic_node(struct device_node *node) return -ENODEV; /* fix up new node's linux_phandle field */ - if ((ibm_phandle = get_property(node, "ibm,phandle", NULL))) + if ((ibm_phandle = of_get_property(node, "ibm,phandle", NULL))) node->linux_phandle = *ibm_phandle; out: @@ -1625,13 +1625,13 @@ EXPORT_SYMBOL(of_find_property); * Find a property with a given name for a given node * and return the value. */ -const void *get_property(const struct device_node *np, const char *name, +const void *of_get_property(const struct device_node *np, const char *name, int *lenp) { struct property *pp = of_find_property(np,name,lenp); return pp ? pp->value : NULL; } -EXPORT_SYMBOL(get_property); +EXPORT_SYMBOL(of_get_property); /* * Add a property to a node @@ -1762,10 +1762,10 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) /* Check for ibm,ppc-interrupt-server#s. If it doesn't exist * fallback to "reg" property and assume no threads */ - intserv = get_property(np, "ibm,ppc-interrupt-server#s", + intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", &plen); if (intserv == NULL) { - const u32 *reg = get_property(np, "reg", NULL); + const u32 *reg = of_get_property(np, "reg", NULL); if (reg == NULL) continue; if (*reg == hardid) { diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 4fb5938ce6d..e27d9d1b6e6 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2035,39 +2035,50 @@ static void __init fixup_device_tree_maple(void) #endif #ifdef CONFIG_PPC_CHRP -/* Pegasos and BriQ lacks the "ranges" property in the isa node */ +/* + * Pegasos and BriQ lacks the "ranges" property in the isa node + * Pegasos needs decimal IRQ 14/15, not hexadecimal + */ static void __init fixup_device_tree_chrp(void) { - phandle isa; - u32 isa_ranges[6]; + phandle ph; + u32 prop[6]; u32 rloc = 0x01006000; /* IO space; PCI device = 12 */ char *name; int rc; name = "/pci@80000000/isa@c"; - isa = call_prom("finddevice", 1, 1, ADDR(name)); - if (!PHANDLE_VALID(isa)) { + ph = call_prom("finddevice", 1, 1, ADDR(name)); + if (!PHANDLE_VALID(ph)) { name = "/pci@ff500000/isa@6"; - isa = call_prom("finddevice", 1, 1, ADDR(name)); + ph = call_prom("finddevice", 1, 1, ADDR(name)); rloc = 0x01003000; /* IO space; PCI device = 6 */ } - if (!PHANDLE_VALID(isa)) - return; - - rc = prom_getproplen(isa, "ranges"); - if (rc != 0 && rc != PROM_ERROR) - return; - - prom_printf("Fixing up missing ISA range on Pegasos...\n"); + if (PHANDLE_VALID(ph)) { + rc = prom_getproplen(ph, "ranges"); + if (rc == 0 || rc == PROM_ERROR) { + prom_printf("Fixing up missing ISA range on Pegasos...\n"); + + prop[0] = 0x1; + prop[1] = 0x0; + prop[2] = rloc; + prop[3] = 0x0; + prop[4] = 0x0; + prop[5] = 0x00010000; + prom_setprop(ph, name, "ranges", prop, sizeof(prop)); + } + } - isa_ranges[0] = 0x1; - isa_ranges[1] = 0x0; - isa_ranges[2] = rloc; - isa_ranges[3] = 0x0; - isa_ranges[4] = 0x0; - isa_ranges[5] = 0x00010000; - prom_setprop(isa, name, "ranges", - isa_ranges, sizeof(isa_ranges)); + name = "/pci@80000000/ide@C,1"; + ph = call_prom("finddevice", 1, 1, ADDR(name)); + if (PHANDLE_VALID(ph)) { + prom_printf("Fixing up IDE interrupt on Pegasos...\n"); + prop[0] = 14; + prop[1] = 0x0; + prop[2] = 15; + prop[3] = 0x0; + prom_setprop(ph, name, "interrupts", prop, 4*sizeof(u32)); + } } #else #define fixup_device_tree_chrp() diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 91b443c9a48..aa40a530729 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -68,9 +68,9 @@ static void of_bus_default_count_cells(struct device_node *dev, int *addrc, int *sizec) { if (addrc) - *addrc = prom_n_addr_cells(dev); + *addrc = of_n_addr_cells(dev); if (sizec) - *sizec = prom_n_size_cells(dev); + *sizec = of_n_size_cells(dev); } static u64 of_bus_default_map(u32 *addr, const u32 *range, @@ -196,7 +196,7 @@ const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, return NULL; /* Get "reg" or "assigned-addresses" property */ - prop = get_property(dev, bus->addresses, &psize); + prop = of_get_property(dev, bus->addresses, &psize); if (prop == NULL) return NULL; psize /= 4; @@ -438,7 +438,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, * to translate addresses that aren't supposed to be translated in * the first place. --BenH. */ - ranges = get_property(parent, "ranges", &rlen); + ranges = of_get_property(parent, "ranges", &rlen); if (ranges == NULL || rlen == 0) { offset = of_read_number(addr, na); memset(addr, 0, pna * 4); @@ -578,7 +578,7 @@ const u32 *of_get_address(struct device_node *dev, int index, u64 *size, return NULL; /* Get "reg" or "assigned-addresses" property */ - prop = get_property(dev, bus->addresses, &psize); + prop = of_get_property(dev, bus->addresses, &psize); if (prop == NULL) return NULL; psize /= 4; @@ -650,17 +650,17 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, /* busno is always one cell */ *busno = *(dma_window++); - prop = get_property(dn, "ibm,#dma-address-cells", NULL); + prop = of_get_property(dn, "ibm,#dma-address-cells", NULL); if (!prop) - prop = get_property(dn, "#address-cells", NULL); + prop = of_get_property(dn, "#address-cells", NULL); - cells = prop ? *(u32 *)prop : prom_n_addr_cells(dn); + cells = prop ? *(u32 *)prop : of_n_addr_cells(dn); *phys = of_read_number(dma_window, cells); dma_window += cells; - prop = get_property(dn, "ibm,#dma-size-cells", NULL); - cells = prop ? *(u32 *)prop : prom_n_size_cells(dn); + prop = of_get_property(dn, "ibm,#dma-size-cells", NULL); + cells = prop ? *(u32 *)prop : of_n_size_cells(dn); *size = of_read_number(dma_window, cells); } @@ -680,7 +680,7 @@ static struct device_node *of_irq_find_parent(struct device_node *child) return NULL; do { - parp = get_property(child, "interrupt-parent", NULL); + parp = of_get_property(child, "interrupt-parent", NULL); if (parp == NULL) p = of_get_parent(child); else { @@ -691,7 +691,7 @@ static struct device_node *of_irq_find_parent(struct device_node *child) } of_node_put(child); child = p; - } while (p && get_property(p, "#interrupt-cells", NULL) == NULL); + } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); return p; } @@ -716,7 +716,7 @@ void of_irq_map_init(unsigned int flags) struct device_node *np; for(np = NULL; (np = of_find_all_nodes(np)) != NULL;) { - if (get_property(np, "interrupt-controller", NULL) + if (of_get_property(np, "interrupt-controller", NULL) == NULL) continue; /* Skip /chosen/interrupt-controller */ @@ -755,7 +755,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, * is none, we are nice and just walk up the tree */ do { - tmp = get_property(ipar, "#interrupt-cells", NULL); + tmp = of_get_property(ipar, "#interrupt-cells", NULL); if (tmp != NULL) { intsize = *tmp; break; @@ -779,7 +779,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, */ old = of_node_get(ipar); do { - tmp = get_property(old, "#address-cells", NULL); + tmp = of_get_property(old, "#address-cells", NULL); tnode = of_get_parent(old); of_node_put(old); old = tnode; @@ -795,7 +795,8 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, /* Now check if cursor is an interrupt-controller and if it is * then we are done */ - if (get_property(ipar, "interrupt-controller", NULL) != NULL) { + if (of_get_property(ipar, "interrupt-controller", NULL) != + NULL) { DBG(" -> got it !\n"); memcpy(out_irq->specifier, intspec, intsize * sizeof(u32)); @@ -806,7 +807,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, } /* Now look for an interrupt-map */ - imap = get_property(ipar, "interrupt-map", &imaplen); + imap = of_get_property(ipar, "interrupt-map", &imaplen); /* No interrupt map, check for an interrupt parent */ if (imap == NULL) { DBG(" -> no map, getting parent\n"); @@ -816,7 +817,7 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, imaplen /= sizeof(u32); /* Look for a mask */ - imask = get_property(ipar, "interrupt-map-mask", NULL); + imask = of_get_property(ipar, "interrupt-map-mask", NULL); /* If we were passed no "reg" property and we attempt to parse * an interrupt-map, then #address-cells must be 0. @@ -863,15 +864,13 @@ int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, /* Get #interrupt-cells and #address-cells of new * parent */ - tmp = get_property(newpar, "#interrupt-cells", - NULL); + tmp = of_get_property(newpar, "#interrupt-cells", NULL); if (tmp == NULL) { DBG(" -> parent lacks #interrupt-cells !\n"); goto fail; } newintsize = *tmp; - tmp = get_property(newpar, "#address-cells", - NULL); + tmp = of_get_property(newpar, "#address-cells", NULL); newaddrsize = (tmp == NULL) ? 0 : *tmp; DBG(" -> newintsize=%d, newaddrsize=%d\n", @@ -928,7 +927,7 @@ static int of_irq_map_oldworld(struct device_node *device, int index, * everything together on these) */ while (device) { - ints = get_property(device, "AAPL,interrupts", &intlen); + ints = of_get_property(device, "AAPL,interrupts", &intlen); if (ints != NULL) break; device = device->parent; @@ -970,13 +969,13 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq return of_irq_map_oldworld(device, index, out_irq); /* Get the interrupts property */ - intspec = get_property(device, "interrupts", &intlen); + intspec = of_get_property(device, "interrupts", &intlen); if (intspec == NULL) return -EINVAL; intlen /= sizeof(u32); /* Get the reg property (if any) */ - addr = get_property(device, "reg", NULL); + addr = of_get_property(device, "reg", NULL); /* Look for the interrupt parent. */ p = of_irq_find_parent(device); @@ -984,7 +983,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq return -EINVAL; /* Get size of interrupt specifier */ - tmp = get_property(p, "#interrupt-cells", NULL); + tmp = of_get_property(p, "#interrupt-cells", NULL); if (tmp == NULL) { of_node_put(p); return -EINVAL; diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index 6cbf2ae5d7a..190b7ed1dbf 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -450,7 +450,7 @@ static int ppc_rtas_sensors_show(struct seq_file *m, void *v) int llen, offs; sprintf (rstr, SENSOR_PREFIX"%04d", p->token); - loc = get_property(rtas_node, rstr, &llen); + loc = of_get_property(rtas_node, rstr, &llen); /* A sensor may have multiple instances */ for (j = 0, offs = 0; j <= p->quant; j++) { @@ -477,7 +477,7 @@ static int ppc_rtas_find_all_sensors(void) const unsigned int *utmp; int len, i; - utmp = get_property(rtas_node, "rtas-sensors", &len); + utmp = of_get_property(rtas_node, "rtas-sensors", &len); if (utmp == NULL) { printk (KERN_ERR "error: could not get rtas-sensors\n"); return 1; diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 9d0735a5456..702fecc9320 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -193,16 +193,16 @@ void rtas_progress(char *s, unsigned short hex) if (display_width == 0) { display_width = 0x10; if ((root = find_path_device("/rtas"))) { - if ((p = get_property(root, + if ((p = of_get_property(root, "ibm,display-line-length", NULL))) display_width = *p; - if ((p = get_property(root, + if ((p = of_get_property(root, "ibm,form-feed", NULL))) form_feed = *p; - if ((p = get_property(root, + if ((p = of_get_property(root, "ibm,display-number-of-lines", NULL))) display_lines = *p; - row_width = get_property(root, + row_width = of_get_property(root, "ibm,display-truncation-length", NULL); } display_character = rtas_token("display-character"); @@ -298,7 +298,7 @@ int rtas_token(const char *service) const int *tokp; if (rtas.dev == NULL) return RTAS_UNKNOWN_SERVICE; - tokp = get_property(rtas.dev, service, NULL); + tokp = of_get_property(rtas.dev, service, NULL); return tokp ? *tokp : RTAS_UNKNOWN_SERVICE; } EXPORT_SYMBOL(rtas_token); @@ -832,12 +832,12 @@ void __init rtas_initialize(void) if (rtas.dev) { const u32 *basep, *entryp, *sizep; - basep = get_property(rtas.dev, "linux,rtas-base", NULL); - sizep = get_property(rtas.dev, "rtas-size", NULL); + basep = of_get_property(rtas.dev, "linux,rtas-base", NULL); + sizep = of_get_property(rtas.dev, "rtas-size", NULL); if (basep != NULL && sizep != NULL) { rtas.base = *basep; rtas.size = *sizep; - entryp = get_property(rtas.dev, + entryp = of_get_property(rtas.dev, "linux,rtas-entry", NULL); if (entryp == NULL) /* Ugh */ rtas.entry = rtas.base; diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index 1616a44ac60..f2286822be0 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -60,7 +60,7 @@ static int of_device_available(struct device_node * dn) { const char *status; - status = get_property(dn, "status", NULL); + status = of_get_property(dn, "status", NULL); if (!status) return 1; @@ -177,7 +177,7 @@ struct pci_ops rtas_pci_ops = { int is_python(struct device_node *dev) { - const char *model = get_property(dev, "model", NULL); + const char *model = of_get_property(dev, "model", NULL); if (model && strstr(model, "Python")) return 1; @@ -247,7 +247,7 @@ static int phb_set_bus_ranges(struct device_node *dev, const int *bus_range; unsigned int len; - bus_range = get_property(dev, "bus-range", &len); + bus_range = of_get_property(dev, "bus-range", &len); if (bus_range == NULL || len < 2 * sizeof(int)) { return 1; } @@ -309,12 +309,12 @@ void __init find_and_init_phbs(void) if (of_chosen) { const int *prop; - prop = get_property(of_chosen, + prop = of_get_property(of_chosen, "linux,pci-probe-only", NULL); if (prop) pci_probe_only = *prop; - prop = get_property(of_chosen, + prop = of_get_property(of_chosen, "linux,pci-assign-all-buses", NULL); if (prop) pci_assign_all_buses = *prop; diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index d050d9a61bd..3c8847b647f 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -21,7 +21,6 @@ #include <linux/delay.h> #include <linux/initrd.h> #include <linux/platform_device.h> -#include <linux/ide.h> #include <linux/seq_file.h> #include <linux/ioport.h> #include <linux/console.h> @@ -353,11 +352,12 @@ void __init smp_setup_cpu_maps(void) const int *intserv; int j, len = sizeof(u32), nthreads = 1; - intserv = get_property(dn, "ibm,ppc-interrupt-server#s", &len); + intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", + &len); if (intserv) nthreads = len / sizeof(int); else { - intserv = get_property(dn, "reg", NULL); + intserv = of_get_property(dn, "reg", NULL); if (!intserv) intserv = &cpu; /* assume logical == phys */ } @@ -380,10 +380,10 @@ void __init smp_setup_cpu_maps(void) int num_addr_cell, num_size_cell, maxcpus; const unsigned int *ireg; - num_addr_cell = prom_n_addr_cells(dn); - num_size_cell = prom_n_size_cells(dn); + num_addr_cell = of_n_addr_cells(dn); + num_size_cell = of_n_size_cells(dn); - ireg = get_property(dn, "ibm,lrdr-capacity", NULL); + ireg = of_get_property(dn, "ibm,lrdr-capacity", NULL); if (!ireg) goto out; diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index f688548f74c..35f8f443c14 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -196,18 +196,22 @@ EXPORT_SYMBOL(nvram_sync); #endif /* CONFIG_NVRAM */ -static struct cpu cpu_devices[NR_CPUS]; +static DEFINE_PER_CPU(struct cpu, cpu_devices); int __init ppc_init(void) { - int i; + int cpu; /* clear the progress line */ - if ( ppc_md.progress ) ppc_md.progress(" ", 0xffff); + if (ppc_md.progress) + ppc_md.progress(" ", 0xffff); /* register CPU devices */ - for_each_possible_cpu(i) - register_cpu(&cpu_devices[i], i); + for_each_possible_cpu(cpu) { + struct cpu *c = &per_cpu(cpu_devices, cpu); + c->hotpluggable = 1; + register_cpu(c, cpu); + } /* call platform init */ if (ppc_md.init != NULL) { diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 3733de30e84..22083ce3cc3 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -20,7 +20,6 @@ #include <linux/reboot.h> #include <linux/delay.h> #include <linux/initrd.h> -#include <linux/ide.h> #include <linux/seq_file.h> #include <linux/ioport.h> #include <linux/console.h> @@ -110,7 +109,7 @@ static void check_smt_enabled(void) dn = of_find_node_by_path("/options"); if (dn) { - smt_option = get_property(dn, "ibm,smt-enabled", NULL); + smt_option = of_get_property(dn, "ibm,smt-enabled", NULL); if (smt_option) { if (!strcmp(smt_option, "on")) @@ -305,10 +304,10 @@ static void __init initialize_cache_info(void) size = 0; lsize = cur_cpu_spec->dcache_bsize; - sizep = get_property(np, "d-cache-size", NULL); + sizep = of_get_property(np, "d-cache-size", NULL); if (sizep != NULL) size = *sizep; - lsizep = get_property(np, dc, NULL); + lsizep = of_get_property(np, dc, NULL); if (lsizep != NULL) lsize = *lsizep; if (sizep == 0 || lsizep == 0) @@ -322,10 +321,10 @@ static void __init initialize_cache_info(void) size = 0; lsize = cur_cpu_spec->icache_bsize; - sizep = get_property(np, "i-cache-size", NULL); + sizep = of_get_property(np, "i-cache-size", NULL); if (sizep != NULL) size = *sizep; - lsizep = get_property(np, ic, NULL); + lsizep = of_get_property(np, ic, NULL); if (lsizep != NULL) lsize = *lsizep; if (sizep == 0 || lsizep == 0) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 924d692bc8f..d8e503b2e1a 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -428,10 +428,6 @@ void generic_mach_cpu_die(void) smp_wmb(); while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE) cpu_relax(); - -#ifdef CONFIG_PPC64 - flush_tlb_pending(); -#endif cpu_set(cpu, cpu_online_map); local_irq_enable(); } diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index 673e8d9df7f..047246ad4f6 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -53,10 +53,6 @@ #include <asm/ppc-pci.h> #include <asm/syscalls.h> -/* readdir & getdents */ -#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) -#define ROUND_UP(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1)) - struct old_linux_dirent32 { u32 d_ino; u32 d_offset; diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index d57818aea08..476f1d54605 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -70,7 +70,7 @@ static int __init smt_setup(void) if (!options) return -ENODEV; - val = get_property(options, "ibm,smt-snooze-delay", NULL); + val = of_get_property(options, "ibm,smt-snooze-delay", NULL); if (!smt_snooze_cmdline && val) { for_each_possible_cpu(cpu) per_cpu(smt_snooze_delay, cpu) = *val; diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index f6f0c6b07c4..7cedef8f5f7 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -834,7 +834,7 @@ static int __init get_freq(char *name, int cells, unsigned long *val) cpu = of_find_node_by_type(NULL, "cpu"); if (cpu) { - fp = get_property(cpu, name, NULL); + fp = of_get_property(cpu, name, NULL); if (fp) { found = 1; *val = of_read_ulong(fp, cells); diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index e738f93b42f..a963f657222 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -184,7 +184,7 @@ void udbg_pas_real_putc(char c) void udbg_init_pas_realmode(void) { - udbg_comport = (volatile struct NS16550 __iomem *)0xfcff03f8; + udbg_comport = (volatile struct NS16550 __iomem *)0xfcff03f8UL; udbg_putc = udbg_pas_real_putc; udbg_getc = NULL; diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 2968ffeafdb..a09277a8639 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -81,7 +81,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev) struct iommu_table *tbl; unsigned long offset, size; - dma_window = get_property(dev->dev.archdata.of_node, + dma_window = of_get_property(dev->dev.archdata.of_node, "ibm,my-dma-window", NULL); if (!dma_window) return NULL; @@ -226,7 +226,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node) return NULL; } - unit_address = get_property(of_node, "reg", NULL); + unit_address = of_get_property(of_node, "reg", NULL); if (unit_address == NULL) { printk(KERN_WARNING "%s: node %s missing 'reg'\n", __FUNCTION__, @@ -246,7 +246,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node) viodev->type = of_node->type; viodev->unit_address = *unit_address; if (firmware_has_feature(FW_FEATURE_ISERIES)) { - unit_address = get_property(of_node, + unit_address = of_get_property(of_node, "linux,unit_address", NULL); if (unit_address != NULL) viodev->unit_address = *unit_address; @@ -377,7 +377,7 @@ static int vio_hotplug(struct device *dev, char **envp, int num_envp, dn = dev->archdata.of_node; if (!dn) return -ENODEV; - cp = get_property(dn, "compatible", &length); + cp = of_get_property(dn, "compatible", &length); if (!cp) return -ENODEV; @@ -406,12 +406,12 @@ struct bus_type vio_bus_type = { * @which: The property/attribute to be extracted. * @length: Pointer to length of returned data size (unused if NULL). * - * Calls prom.c's get_property() to return the value of the + * Calls prom.c's of_get_property() to return the value of the * attribute specified by @which */ const void *vio_get_attribute(struct vio_dev *vdev, char *which, int *length) { - return get_property(vdev->dev.archdata.of_node, which, length); + return of_get_property(vdev->dev.archdata.of_node, which, length); } EXPORT_SYMBOL(vio_get_attribute); @@ -443,7 +443,7 @@ struct vio_dev *vio_find_node(struct device_node *vnode) char kobj_name[BUS_ID_SIZE]; /* construct the kobject name from the device node */ - unit_address = get_property(vnode, "reg", NULL); + unit_address = of_get_property(vnode, "reg", NULL); if (!unit_address) return NULL; snprintf(kobj_name, BUS_ID_SIZE, "%x", *unit_address); |