diff options
Diffstat (limited to 'arch/powerpc')
39 files changed, 249 insertions, 172 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 0c8614d9875c..888a364043a8 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -147,6 +147,7 @@ transfer_to_handler: lwz r12,TI_LOCAL_FLAGS(r9) mtcrf 0x01,r12 bt- 31-TLF_NAPPING,4f + bt- 31-TLF_SLEEPING,7f #endif /* CONFIG_6xx */ .globl transfer_to_handler_cont transfer_to_handler_cont: @@ -164,6 +165,13 @@ transfer_to_handler_cont: 4: rlwinm r12,r12,0,~_TLF_NAPPING stw r12,TI_LOCAL_FLAGS(r9) b power_save_6xx_restore + +7: rlwinm r12,r12,0,~_TLF_SLEEPING + stw r12,TI_LOCAL_FLAGS(r9) + lwz r9,_MSR(r11) /* if sleeping, clear MSR.EE */ + rlwinm r9,r9,0,~MSR_EE + lwz r12,_LINK(r11) /* and return to address in LR */ + b fast_exception_return #endif /* @@ -668,7 +676,7 @@ user_exc_return: /* r10 contains MSR_KERNEL here */ /* Check current_thread_info()->flags */ rlwinm r9,r1,0,0,(31-THREAD_SHIFT) lwz r9,TI_FLAGS(r9) - andi. r0,r9,(_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK|_TIF_NEED_RESCHED) + andi. r0,r9,_TIF_USER_WORK_MASK bne do_work restore_user: @@ -925,7 +933,7 @@ recheck: lwz r9,TI_FLAGS(r9) andi. r0,r9,_TIF_NEED_RESCHED bne- do_resched - andi. r0,r9,_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK + andi. r0,r9,_TIF_USER_WORK_MASK beq restore_user do_user_signal: /* r10 contains MSR_KERNEL here */ ori r10,r10,MSR_EE diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h index aefafc6330c9..721faef87095 100644 --- a/arch/powerpc/kernel/head_booke.h +++ b/arch/powerpc/kernel/head_booke.h @@ -272,7 +272,7 @@ label: /* continue normal handling for a critical exception... */ \ 2: mfspr r4,SPRN_DBSR; \ addi r3,r1,STACK_FRAME_OVERHEAD; \ - EXC_XFER_TEMPLATE(DebugException, 0x2002, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, debug_transfer_to_handler, ret_from_debug_exc) + EXC_XFER_TEMPLATE(DebugException, 0x2008, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, debug_transfer_to_handler, ret_from_debug_exc) #define DEBUG_CRIT_EXCEPTION \ START_EXCEPTION(DebugCrit); \ diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index c176c513566b..23545a2f51f3 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -498,7 +498,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, #ifdef CONFIG_PPC64 unsigned long arch_deref_entry_point(void *entry) { - return (unsigned long)(((func_descr_t *)entry)->entry); + return ((func_descr_t *)entry)->entry; } #endif diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 1e656b43ad7f..827a5726a035 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -573,7 +573,7 @@ static int lparcfg_open(struct inode *inode, struct file *file) return single_open(file, lparcfg_data, NULL); } -const struct file_operations lparcfg_fops = { +static const struct file_operations lparcfg_fops = { .owner = THIS_MODULE, .read = seq_read, .write = lparcfg_write, @@ -581,7 +581,7 @@ const struct file_operations lparcfg_fops = { .release = single_release, }; -int __init lparcfg_init(void) +static int __init lparcfg_init(void) { struct proc_dir_entry *ent; mode_t mode = S_IRUSR | S_IRGRP | S_IROTH; @@ -601,7 +601,7 @@ int __init lparcfg_init(void) return 0; } -void __exit lparcfg_cleanup(void) +static void __exit lparcfg_cleanup(void) { if (proc_ppc64_lparcfg) remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent); diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 704375bda73a..631dfd614b21 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -158,7 +158,7 @@ void kexec_copy_flush(struct kimage *image) * on calling the interrupts, but we would like to call it off irq level * so that the interrupt controller is clean. */ -void kexec_smp_down(void *arg) +static void kexec_smp_down(void *arg) { if (ppc_md.kexec_cpu_down) ppc_md.kexec_cpu_down(0, 1); @@ -249,7 +249,7 @@ static void kexec_prepare_cpus(void) * We could use a smaller stack if we don't care about anything using * current, but that audit has not been performed. */ -union thread_union kexec_stack +static union thread_union kexec_stack __attribute__((__section__(".data.init_task"))) = { }; /* Our assembly helper, in kexec_stub.S */ diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c index c62d1012c013..3bb7d3dd28be 100644 --- a/arch/powerpc/kernel/msi.c +++ b/arch/powerpc/kernel/msi.c @@ -34,5 +34,5 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) void arch_teardown_msi_irqs(struct pci_dev *dev) { - return ppc_md.teardown_msi_irqs(dev); + ppc_md.teardown_msi_irqs(dev); } diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 5748ddb47d9f..e9be908f199b 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -89,54 +89,6 @@ struct of_device *of_device_alloc(struct device_node *np, } EXPORT_SYMBOL(of_device_alloc); -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 = of_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, struct kobj_uevent_env *env) { struct of_device *ofdev; diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index f9c6abc84a94..1be9fe38bcb5 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -160,7 +160,7 @@ static int sensors_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_sensors_show, NULL); } -const struct file_operations ppc_rtas_sensors_operations = { +static const struct file_operations ppc_rtas_sensors_operations = { .open = sensors_open, .read = seq_read, .llseek = seq_lseek, @@ -172,7 +172,7 @@ static int poweron_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_poweron_show, NULL); } -const struct file_operations ppc_rtas_poweron_operations = { +static const struct file_operations ppc_rtas_poweron_operations = { .open = poweron_open, .read = seq_read, .llseek = seq_lseek, @@ -185,7 +185,7 @@ static int progress_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_progress_show, NULL); } -const struct file_operations ppc_rtas_progress_operations = { +static const struct file_operations ppc_rtas_progress_operations = { .open = progress_open, .read = seq_read, .llseek = seq_lseek, @@ -198,7 +198,7 @@ static int clock_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_clock_show, NULL); } -const struct file_operations ppc_rtas_clock_operations = { +static const struct file_operations ppc_rtas_clock_operations = { .open = clock_open, .read = seq_read, .llseek = seq_lseek, @@ -211,7 +211,7 @@ static int tone_freq_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_tone_freq_show, NULL); } -const struct file_operations ppc_rtas_tone_freq_operations = { +static const struct file_operations ppc_rtas_tone_freq_operations = { .open = tone_freq_open, .read = seq_read, .llseek = seq_lseek, @@ -224,7 +224,7 @@ static int tone_volume_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_tone_volume_show, NULL); } -const struct file_operations ppc_rtas_tone_volume_operations = { +static const struct file_operations ppc_rtas_tone_volume_operations = { .open = tone_volume_open, .read = seq_read, .llseek = seq_lseek, @@ -237,7 +237,7 @@ static int rmo_buf_open(struct inode *inode, struct file *file) return single_open(file, ppc_rtas_rmo_buf_show, NULL); } -const struct file_operations ppc_rtas_rmo_buf_ops = { +static const struct file_operations ppc_rtas_rmo_buf_ops = { .open = rmo_buf_open, .read = seq_read, .llseek = seq_lseek, diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 34843c318419..2a60bd3e3afa 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -340,8 +340,8 @@ int rtas_get_error_log_max(void) EXPORT_SYMBOL(rtas_get_error_log_max); -char rtas_err_buf[RTAS_ERROR_LOG_MAX]; -int rtas_last_error_token; +static char rtas_err_buf[RTAS_ERROR_LOG_MAX]; +static int rtas_last_error_token; /** Return a copy of the detailed error text associated with the * most recent failed call to rtas. Because the error text @@ -484,7 +484,7 @@ unsigned int rtas_busy_delay(int status) } EXPORT_SYMBOL(rtas_busy_delay); -int rtas_error_rc(int rtas_rc) +static int rtas_error_rc(int rtas_rc) { int rc; diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 0a5e22b22729..09ded5c424a9 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -731,7 +731,7 @@ static const struct file_operations validate_flash_operations = { .release = validate_flash_release, }; -int __init rtas_flash_init(void) +static int __init rtas_flash_init(void) { int rc; @@ -817,7 +817,7 @@ cleanup: return rc; } -void __exit rtas_flash_cleanup(void) +static void __exit rtas_flash_cleanup(void) { rtas_flash_term_hook = NULL; diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index 3ab88a9dc70d..589a2797eac2 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -155,12 +155,12 @@ static int rtas_pci_write_config(struct pci_bus *bus, return PCIBIOS_DEVICE_NOT_FOUND; } -struct pci_ops rtas_pci_ops = { +static struct pci_ops rtas_pci_ops = { .read = rtas_pci_read_config, .write = rtas_pci_write_config, }; -int is_python(struct device_node *dev) +static int is_python(struct device_node *dev) { const char *model = of_get_property(dev, "model", NULL); diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index a65a44fbe523..ad55488939c3 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -120,7 +120,7 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs) int ret; int is32 = is_32bit_task(); - if (test_thread_flag(TIF_RESTORE_SIGMASK)) + if (current_thread_info()->local_flags & _TLF_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; else if (!oldset) oldset = ¤t->blocked; @@ -131,9 +131,10 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs) check_syscall_restart(regs, &ka, signr > 0); if (signr <= 0) { + struct thread_info *ti = current_thread_info(); /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); + if (ti->local_flags & _TLF_RESTORE_SIGMASK) { + ti->local_flags &= ~_TLF_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } return 0; /* no signals delivered */ @@ -169,10 +170,9 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs) /* * A signal was successfully delivered; the saved sigmask is in - * its frame, and we can clear the TIF_RESTORE_SIGMASK flag. + * its frame, and we can clear the TLF_RESTORE_SIGMASK flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + current_thread_info()->local_flags &= ~_TLF_RESTORE_SIGMASK; } return ret; diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index ad6943468ee9..4ae16d179803 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -243,7 +243,7 @@ long sys_sigsuspend(old_sigset_t mask) current->state = TASK_INTERRUPTIBLE; schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); + set_restore_sigmask(); return -ERESTARTNOHAND; } diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 1457aa0a08f1..ba7989ffaeee 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -365,12 +365,8 @@ void smp_call_function_interrupt(void) } } -extern struct gettimeofday_struct do_gtod; - struct thread_info *current_set[NR_CPUS]; -DECLARE_PER_CPU(unsigned int, pvr); - static void __devinit smp_store_cpu_info(int id) { per_cpu(pvr, id) = mfspr(SPRN_PVR); diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 73401e83739a..c73fc33aa817 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -129,7 +129,7 @@ static unsigned long __initdata iSeries_recal_titan; static signed long __initdata iSeries_recal_tb; /* Forward declaration is only needed for iSereis compiles */ -void __init clocksource_init(void); +static void __init clocksource_init(void); #endif #define XSEC_PER_SEC (1024*1024) @@ -150,8 +150,8 @@ u64 tb_to_xs; unsigned tb_to_us; #define TICKLEN_SCALE NTP_SCALE_SHIFT -u64 last_tick_len; /* units are ns / 2^TICKLEN_SCALE */ -u64 ticklen_to_xs; /* 0.64 fraction */ +static u64 last_tick_len; /* units are ns / 2^TICKLEN_SCALE */ +static u64 ticklen_to_xs; /* 0.64 fraction */ /* If last_tick_len corresponds to about 1/HZ seconds, then last_tick_len << TICKLEN_SHIFT will be about 2^63. */ @@ -164,7 +164,7 @@ static u64 tb_to_ns_scale __read_mostly; static unsigned tb_to_ns_shift __read_mostly; static unsigned long boot_tb __read_mostly; -struct gettimeofday_struct do_gtod; +static struct gettimeofday_struct do_gtod; extern struct timezone sys_tz; static long timezone_offset; @@ -832,7 +832,7 @@ void update_vsyscall_tz(void) ++vdso_data->tb_update_count; } -void __init clocksource_init(void) +static void __init clocksource_init(void) { struct clocksource *clock; diff --git a/arch/powerpc/kernel/vdso64/vdso64.lds.S b/arch/powerpc/kernel/vdso64/vdso64.lds.S index 932b3fdb34b9..7d6585f90277 100644 --- a/arch/powerpc/kernel/vdso64/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso64/vdso64.lds.S @@ -43,15 +43,15 @@ SECTIONS .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } .rodata1 : { *(.rodata1) } + .dynamic : { *(.dynamic) } :text :dynamic + .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr .eh_frame : { KEEP (*(.eh_frame)) } :text .gcc_except_table : { *(.gcc_except_table) } + .rela.dyn ALIGN(8) : { *(.rela.dyn) } .opd ALIGN(8) : { KEEP (*(.opd)) } .got ALIGN(8) : { *(.got .toc) } - .rela.dyn ALIGN(8) : { *(.rela.dyn) } - - .dynamic : { *(.dynamic) } :text :dynamic _end = .; PROVIDE(end = .); diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 0f2d239d94c4..bf5b6d7ed30f 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -120,7 +120,7 @@ static DEFINE_SPINLOCK(linear_map_hash_lock); /* Pre-POWER4 CPUs (4k pages only) */ -struct mmu_psize_def mmu_psize_defaults_old[] = { +static struct mmu_psize_def mmu_psize_defaults_old[] = { [MMU_PAGE_4K] = { .shift = 12, .sllp = 0, @@ -134,7 +134,7 @@ struct mmu_psize_def mmu_psize_defaults_old[] = { * * Support for 16Mb large pages */ -struct mmu_psize_def mmu_psize_defaults_gp[] = { +static struct mmu_psize_def mmu_psize_defaults_gp[] = { [MMU_PAGE_4K] = { .shift = 12, .sllp = 0, @@ -533,8 +533,6 @@ void __init htab_initialize(void) unsigned long base = 0, size = 0, limit; int i; - extern unsigned long tce_alloc_start, tce_alloc_end; - DBG(" -> htab_initialize()\n"); /* Initialize segment sizes */ diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 1952b4d3fa7f..45418590b6a9 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -43,6 +43,7 @@ #include <asm/btext.h> #include <asm/tlb.h> #include <asm/sections.h> +#include <asm/system.h> #include "mmu_decl.h" @@ -76,8 +77,6 @@ void MMU_init(void); /* XXX should be in current.h -- paulus */ extern struct task_struct *current_set[NR_CPUS]; -extern int init_bootmem_done; - /* * this tells the system to map all of ram with the segregs * (i.e. page tables) instead of the bats. diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 6aa65375abf5..6ef63caca682 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -185,7 +185,7 @@ void pgtable_cache_init(void) * do this by hand as the proffered address may not be correctly aligned. * Subtraction of non-aligned pointers produces undefined results. */ -unsigned long __meminit vmemmap_section_start(unsigned long page) +static unsigned long __meminit vmemmap_section_start(unsigned long page) { unsigned long offset = page - ((unsigned long)(vmemmap)); @@ -198,7 +198,7 @@ unsigned long __meminit vmemmap_section_start(unsigned long page) * which overlaps this vmemmap page is initialised then this page is * initialised already. */ -int __meminit vmemmap_populated(unsigned long start, int page_size) +static int __meminit vmemmap_populated(unsigned long start, int page_size) { unsigned long end = start + page_size; diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index efbbd13d93e5..60e6032a8088 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -30,8 +30,8 @@ struct stab_entry { }; #define NR_STAB_CACHE_ENTRIES 8 -DEFINE_PER_CPU(long, stab_cache_ptr); -DEFINE_PER_CPU(long, stab_cache[NR_STAB_CACHE_ENTRIES]); +static DEFINE_PER_CPU(long, stab_cache_ptr); +static DEFINE_PER_CPU(long, stab_cache[NR_STAB_CACHE_ENTRIES]); /* * Create a segment table entry for the given esid/vsid pair. diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c index e2d867ce1c7e..509bc560159b 100644 --- a/arch/powerpc/mm/tlb_64.c +++ b/arch/powerpc/mm/tlb_64.c @@ -37,8 +37,8 @@ DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); * include/asm-powerpc/tlb.h file -- tgall */ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); -DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); -unsigned long pte_freelist_forced_free; +static DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); +static unsigned long pte_freelist_forced_free; struct pte_freelist_batch { @@ -47,9 +47,6 @@ struct pte_freelist_batch pgtable_free_t tables[0]; }; -DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); -unsigned long pte_freelist_forced_free; - #define PTE_FREELIST_SIZE \ ((PAGE_SIZE - sizeof(struct pte_freelist_batch)) \ / sizeof(pgtable_free_t)) diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index c39f5c225f2e..8b055bce27fe 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -14,6 +14,7 @@ #include <linux/pci.h> #include <linux/msi.h> #include <linux/of_platform.h> +#include <linux/debugfs.h> #include <asm/dcr.h> #include <asm/machdep.h> @@ -69,8 +70,19 @@ struct axon_msic { dma_addr_t fifo_phys; dcr_host_t dcr_host; u32 read_offset; +#ifdef DEBUG + u32 __iomem *trigger; +#endif }; +#ifdef DEBUG +void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic); +#else +static inline void axon_msi_debug_setup(struct device_node *dn, + struct axon_msic *msic) { } +#endif + + static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) { pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n); @@ -381,6 +393,8 @@ static int axon_msi_probe(struct of_device *device, ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs; ppc_md.msi_check_device = axon_msi_check_device; + axon_msi_debug_setup(dn, msic); + printk(KERN_DEBUG "axon_msi: setup MSIC on %s\n", dn->full_name); return 0; @@ -418,3 +432,47 @@ static int __init axon_msi_init(void) return of_register_platform_driver(&axon_msi_driver); } subsys_initcall(axon_msi_init); + + +#ifdef DEBUG +static int msic_set(void *data, u64 val) +{ + struct axon_msic *msic = data; + out_le32(msic->trigger, val); + return 0; +} + +static int msic_get(void *data, u64 *val) +{ + *val = 0; + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_msic, msic_get, msic_set, "%llu\n"); + +void axon_msi_debug_setup(struct device_node *dn, struct axon_msic *msic) +{ + char name[8]; + u64 addr; + + addr = of_translate_address(dn, of_get_property(dn, "reg", NULL)); + if (addr == OF_BAD_ADDR) { + pr_debug("axon_msi: couldn't translate reg property\n"); + return; + } + + msic->trigger = ioremap(addr, 0x4); + if (!msic->trigger) { + pr_debug("axon_msi: ioremap failed\n"); + return; + } + + snprintf(name, sizeof(name), "msic_%d", of_node_to_nid(dn)); + + if (!debugfs_create_file(name, 0600, powerpc_debugfs_root, + msic, &fops_msic)) { + pr_debug("axon_msi: debugfs_create_file failed!\n"); + return; + } +} +#endif /* DEBUG */ diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 116babbaaf81..1ba7ce5aafae 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -63,13 +63,6 @@ static struct mpic *chrp_mpic; DEFINE_PER_CPU(struct timer_list, heartbeat_timer); unsigned long event_scan_interval; -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include <linux/interrupt.h> (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *); - extern unsigned long loops_per_jiffy; /* To be replaced by RTAS when available */ diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c index 9f7579b38c72..53bca132fb48 100644 --- a/arch/powerpc/platforms/maple/time.c +++ b/arch/powerpc/platforms/maple/time.c @@ -41,8 +41,6 @@ #define DBG(x...) #endif -extern void GregorianDay(struct rtc_time * tm); - static int maple_rtc_addr; static int maple_clock_read(int addr) diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 829b8b02527b..6d149ae8ffa7 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -34,16 +34,10 @@ #include <asm/time.h> #include <asm/pmac_feature.h> #include <asm/mpic.h> +#include <asm/xmon.h> #include "pmac.h" -/* - * XXX this should be in xmon.h, but putting it there means xmon.h - * has to include <linux/interrupt.h> (to get irqreturn_t), which - * causes all sorts of problems. -- paulus - */ -extern irqreturn_t xmon_irq(int, void *); - #ifdef CONFIG_PPC32 struct pmac_irq_hw { unsigned int event; diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 9d3a40f45974..5a707da3f5c2 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -26,6 +26,7 @@ #include <asm/prom.h> #include <asm/udbg.h> +#include "pseries.h" typedef struct { unsigned long val; diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 176f1f39d2d5..9a12908510fb 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -135,9 +135,10 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rpn; long l, limit; - if (npages == 1) - return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, - direction); + if (npages == 1) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction); + return; + } tcep = __get_cpu_var(tce_page); @@ -147,9 +148,11 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, if (!tcep) { tcep = (u64 *)__get_free_page(GFP_ATOMIC); /* If allocation fails, fall back to the loop implementation */ - if (!tcep) - return tce_build_pSeriesLP(tbl, tcenum, npages, - uaddr, direction); + if (!tcep) { + tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, + direction); + return; + } __get_cpu_var(tce_page) = tcep; } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 2cbaedb17f3e..3b4651b6ee05 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -52,7 +52,7 @@ EXPORT_SYMBOL(plpar_hcall_norets); extern void pSeries_find_serial_port(void); -int vtermno; /* virtual terminal# for udbg */ +static int vtermno; /* virtual terminal# for udbg */ #define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) static void udbg_hvsi_putc(char c) diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 2b548afd1003..d20b96e22c2e 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -55,7 +55,7 @@ static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX]; static DEFINE_SPINLOCK(ras_log_buf_lock); -char mce_data_buf[RTAS_ERROR_LOG_MAX]; +static char mce_data_buf[RTAS_ERROR_LOG_MAX]; static int ras_get_sensor_state_token; static int ras_check_exception_token; diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index 7d3e2b0bd4d2..c9ffd8c225f1 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -32,7 +32,7 @@ static DEFINE_SPINLOCK(rtasd_log_lock); -DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait); +static DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait); static char *rtas_log_buf; static unsigned long rtas_log_start; @@ -329,7 +329,7 @@ static unsigned int rtas_log_poll(struct file *file, poll_table * wait) return 0; } -const struct file_operations proc_rtas_log_operations = { +static const struct file_operations proc_rtas_log_operations = { .read = rtas_log_read, .poll = rtas_log_poll, .open = rtas_log_open, diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index f5d29f5b13c1..90beb444e1dd 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -109,7 +109,7 @@ static void __init fwnmi_init(void) fwnmi_active = 1; } -void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) { unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) @@ -482,7 +482,7 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus) * possible with power button press. If ibm,power-off-ups token is used * it will allow auto poweron after power is restored. */ -void pSeries_power_off(void) +static void pSeries_power_off(void) { int rc; int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups"); diff --git a/arch/powerpc/sysdev/6xx-suspend.S b/arch/powerpc/sysdev/6xx-suspend.S new file mode 100644 index 000000000000..21cda085d926 --- /dev/null +++ b/arch/powerpc/sysdev/6xx-suspend.S @@ -0,0 +1,52 @@ +/* + * Enter and leave sleep state on chips with 6xx-style HID0 + * power management bits, which don't leave sleep state via reset. + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2006-2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <asm/ppc_asm.h> +#include <asm/reg.h> +#include <asm/thread_info.h> +#include <asm/asm-offsets.h> + +_GLOBAL(mpc6xx_enter_standby) + mflr r4 + + mfspr r5, SPRN_HID0 + rlwinm r5, r5, 0, ~(HID0_DOZE | HID0_NAP) + oris r5, r5, HID0_SLEEP@h + mtspr SPRN_HID0, r5 + isync + + lis r5, ret_from_standby@h + ori r5, r5, ret_from_standby@l + mtlr r5 + + rlwinm r5, r1, 0, 0, 31-THREAD_SHIFT + lwz r6, TI_LOCAL_FLAGS(r5) + ori r6, r6, _TLF_SLEEPING + stw r6, TI_LOCAL_FLAGS(r5) + + mfmsr r5 + ori r5, r5, MSR_EE + oris r5, r5, MSR_POW@h + sync + mtmsr r5 + isync + +1: b 1b + +ret_from_standby: + mfspr r5, SPRN_HID0 + rlwinm r5, r5, 0, ~HID0_SLEEP + mtspr SPRN_HID0, r5 + + mtlr r4 + blr diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 6d386d0071a0..2cc50520a698 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -44,3 +44,7 @@ obj-$(CONFIG_PPC_DCR) += dcr.o obj-$(CONFIG_8xx) += mpc8xx_pic.o cpm1.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o endif + +ifeq ($(CONFIG_SUSPEND),y) +obj-$(CONFIG_6xx) += 6xx-suspend.o +endif diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 7680001676a6..f99f81abbd5c 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1144,9 +1144,12 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->num_cpus = ((greg_feature & MPIC_GREG_FEATURE_LAST_CPU_MASK) >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1; if (isu_size == 0) - mpic->num_sources = - ((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK) - >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1; + if (flags & MPIC_BROKEN_FRR_NIRQS) + mpic->num_sources = mpic->irq_count; + else + mpic->num_sources = + ((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK) + >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1; /* Map the per-CPU registers */ for (i = 0; i < mpic->num_cpus; i++) { diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c index d272a52ecd24..de3e5e8bc324 100644 --- a/arch/powerpc/sysdev/mpic_msi.c +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -16,6 +16,7 @@ #include <asm/hw_irq.h> #include <asm/ppc-pci.h> +#include <sysdev/mpic.h> static void __mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) { diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c index 33cbfb22ce3e..68aff6076675 100644 --- a/arch/powerpc/sysdev/mpic_pasemi_msi.c +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -95,6 +95,7 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) unsigned int virq; struct msi_desc *entry; struct msi_msg msg; + int ret; pr_debug("pasemi_msi_setup_msi_irqs, pdev %p nvec %d type %d\n", pdev, nvec, type); @@ -108,8 +109,9 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) * few MSIs for someone, but restrictions will apply to how the * sources can be changed independently. */ - hwirq = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK); - if (hwirq < 0) { + ret = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK); + hwirq = ret; + if (ret < 0) { pr_debug("pasemi_msi: failed allocating hwirq\n"); return hwirq; } diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index 1d5a40899b74..6e2f8686fdfc 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -115,17 +115,19 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) struct msi_desc *entry; struct msi_msg msg; u64 addr; + int ret; addr = find_ht_magic_addr(pdev); msg.address_lo = addr & 0xFFFFFFFF; msg.address_hi = addr >> 32; list_for_each_entry(entry, &pdev->msi_list, list) { - hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1); - if (hwirq < 0) { + ret = mpic_msi_alloc_hwirqs(msi_mpic, 1); + if (ret < 0) { pr_debug("u3msi: failed allocating hwirq\n"); - return hwirq; + return ret; } + hwirq = ret; virq = irq_create_mapping(msi_mpic->irqhost, hwirq); if (virq == NO_IRQ) { diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c index a132e0de8ca5..32e0ad0ebea8 100644 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -15,6 +15,7 @@ #include <linux/console.h> #include <linux/mv643xx.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> #include <asm/prom.h> @@ -25,6 +26,11 @@ * PowerPC of_platform_bus_type. They support platform_bus_type instead. */ +static struct of_device_id __initdata of_mv64x60_devices[] = { + { .compatible = "marvell,mv64306-devctrl", }, + {} +}; + /* * Create MPSC platform devices */ @@ -484,6 +490,10 @@ static int __init mv64x60_device_setup(void) of_node_put(np); } + /* Now add every node that is on the device bus */ + for_each_compatible_node(np, NULL, "marvell,mv64360") + of_platform_bus_probe(np, of_mv64x60_devices, NULL); + return 0; } arch_initcall(mv64x60_device_setup); diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 1702de9395ee..6726da07c065 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -54,7 +54,7 @@ #define skipbl xmon_skipbl #ifdef CONFIG_SMP -cpumask_t cpus_in_xmon = CPU_MASK_NONE; +static cpumask_t cpus_in_xmon = CPU_MASK_NONE; static unsigned long xmon_taken = 1; static int xmon_owner; static int xmon_gate; @@ -154,7 +154,7 @@ static int do_spu_cmd(void); static void dump_tlb_44x(void); #endif -int xmon_no_auto_backtrace; +static int xmon_no_auto_backtrace; extern void xmon_enter(void); extern void xmon_leave(void); @@ -327,6 +327,11 @@ static void release_output_lock(void) { xmon_speaker = 0; } + +int cpus_are_in_xmon(void) +{ + return !cpus_empty(cpus_in_xmon); +} #endif static int xmon_core(struct pt_regs *regs, int fromipi) @@ -593,7 +598,7 @@ static int xmon_iabr_match(struct pt_regs *regs) { if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF)) return 0; - if (iabr == 0) + if (iabr == NULL) return 0; xmon_core(regs, 0); return 1; @@ -1142,7 +1147,7 @@ bpt_cmds(void) } else { /* assume a breakpoint address */ bp = at_breakpoint(a); - if (bp == 0) { + if (bp == NULL) { printf("No breakpoint at %x\n", a); break; } @@ -1370,7 +1375,7 @@ static void print_bug_trap(struct pt_regs *regs) #endif } -void excprint(struct pt_regs *fp) +static void excprint(struct pt_regs *fp) { unsigned long trap; @@ -1408,7 +1413,7 @@ void excprint(struct pt_regs *fp) print_bug_trap(fp); } -void prregs(struct pt_regs *fp) +static void prregs(struct pt_regs *fp) { int n, trap; unsigned long base; @@ -1463,7 +1468,7 @@ void prregs(struct pt_regs *fp) printf("dar = "REG" dsisr = %.8lx\n", fp->dar, fp->dsisr); } -void cacheflush(void) +static void cacheflush(void) { int cmd; unsigned long nflush; @@ -1495,7 +1500,7 @@ void cacheflush(void) catch_memory_errors = 0; } -unsigned long +static unsigned long read_spr(int n) { unsigned int instrs[2]; @@ -1533,7 +1538,7 @@ read_spr(int n) return ret; } -void +static void write_spr(int n, unsigned long val) { unsigned int instrs[2]; @@ -1571,7 +1576,7 @@ static unsigned long regno; extern char exc_prolog; extern char dec_exc; -void super_regs(void) +static void super_regs(void) { int cmd; unsigned long val; @@ -1629,7 +1634,7 @@ void super_regs(void) /* * Stuff for reading and writing memory safely */ -int +static int mread(unsigned long adrs, void *buf, int size) { volatile int n; @@ -1666,7 +1671,7 @@ mread(unsigned long adrs, void *buf, int size) return n; } -int +static int mwrite(unsigned long adrs, void *buf, int size) { volatile int n; @@ -1731,7 +1736,7 @@ static int handle_fault(struct pt_regs *regs) #define SWAP(a, b, t) ((t) = (a), (a) = (b), (b) = (t)) -void +static void byterev(unsigned char *val, int size) { int t; @@ -1793,7 +1798,7 @@ static char *memex_subcmd_help_string = " x exit this mode\n" ""; -void +static void memex(void) { int cmd, inc, i, nslash; @@ -1944,7 +1949,7 @@ memex(void) } } -int +static int bsesc(void) { int c; @@ -1984,7 +1989,7 @@ static void xmon_rawdump (unsigned long adrs, long ndump) #define isxdigit(c) (('0' <= (c) && (c) <= '9') \ || ('a' <= (c) && (c) <= 'f') \ || ('A' <= (c) && (c) <= 'F')) -void +static void dump(void) { int c; @@ -2022,7 +2027,7 @@ dump(void) } } -void +static void prdump(unsigned long adrs, long ndump) { long n, m, c, r, nr; @@ -2066,7 +2071,7 @@ prdump(unsigned long adrs, long ndump) typedef int (*instruction_dump_func)(unsigned long inst, unsigned long addr); -int +static int generic_inst_dump(unsigned long adr, long count, int praddr, instruction_dump_func dump_func) { @@ -2104,7 +2109,7 @@ generic_inst_dump(unsigned long adr, long count, int praddr, return adr - first_adr; } -int +static int ppc_inst_dump(unsigned long adr, long count, int praddr) { return generic_inst_dump(adr, count, praddr, print_insn_powerpc); @@ -2126,7 +2131,7 @@ static unsigned long mval; /* byte value to set memory to */ static unsigned long mcount; /* # bytes to affect */ static unsigned long mdiffs; /* max # differences to print */ -void +static void memops(int cmd) { scanhex((void *)&mdest); @@ -2152,7 +2157,7 @@ memops(int cmd) } } -void +static void memdiffs(unsigned char *p1, unsigned char *p2, unsigned nb, unsigned maxpr) { unsigned n, prt; @@ -2170,7 +2175,7 @@ memdiffs(unsigned char *p1, unsigned char *p2, unsigned nb, unsigned maxpr) static unsigned mend; static unsigned mask; -void +static void memlocate(void) { unsigned a, n; @@ -2203,7 +2208,7 @@ memlocate(void) static unsigned long mskip = 0x1000; static unsigned long mlim = 0xffffffff; -void +static void memzcan(void) { unsigned char v; @@ -2230,7 +2235,7 @@ memzcan(void) printf("%.8x\n", a - mskip); } -void proccall(void) +static void proccall(void) { unsigned long args[8]; unsigned long ret; @@ -2388,7 +2393,7 @@ scanhex(unsigned long *vp) return 1; } -void +static void scannl(void) { int c; @@ -2399,7 +2404,7 @@ scannl(void) c = inchar(); } -int hexdigit(int c) +static int hexdigit(int c) { if( '0' <= c && c <= '9' ) return c - '0'; @@ -2430,13 +2435,13 @@ getstring(char *s, int size) static char line[256]; static char *lineptr; -void +static void flush_input(void) { lineptr = NULL; } -int +static int inchar(void) { if (lineptr == NULL || *lineptr == 0) { @@ -2449,7 +2454,7 @@ inchar(void) return *lineptr++; } -void +static void take_input(char *str) { lineptr = str; @@ -2618,7 +2623,8 @@ static void dump_tlb_44x(void) } } #endif /* CONFIG_44x */ -void xmon_init(int enable) + +static void xmon_init(int enable) { #ifdef CONFIG_PPC_ISERIES if (firmware_has_feature(FW_FEATURE_ISERIES)) |