diff options
Diffstat (limited to 'arch/powerpc')
84 files changed, 270 insertions, 226 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index b6ff882f695b..8f4d50b0adfa 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -209,7 +209,7 @@ config ARCH_HIBERNATION_POSSIBLE config ARCH_SUSPEND_POSSIBLE def_bool y depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ - PPC_85xx || PPC_86xx || PPC_PSERIES || 44x || 40x + (PPC_85xx && !SMP) || PPC_86xx || PPC_PSERIES || 44x || 40x config PPC_DCR_NATIVE bool diff --git a/arch/powerpc/include/asm/8xx_immap.h b/arch/powerpc/include/asm/8xx_immap.h index 6b6dc20b0beb..bdf0563ba423 100644 --- a/arch/powerpc/include/asm/8xx_immap.h +++ b/arch/powerpc/include/asm/8xx_immap.h @@ -393,8 +393,8 @@ typedef struct fec { uint fec_addr_low; /* lower 32 bits of station address */ ushort fec_addr_high; /* upper 16 bits of station address */ ushort res1; /* reserved */ - uint fec_hash_table_high; /* upper 32-bits of hash table */ - uint fec_hash_table_low; /* lower 32-bits of hash table */ + uint fec_grp_hash_table_high; /* upper 32-bits of hash table */ + uint fec_grp_hash_table_low; /* lower 32-bits of hash table */ uint fec_r_des_start; /* beginning of Rx descriptor ring */ uint fec_x_des_start; /* beginning of Tx descriptor ring */ uint fec_r_buff_size; /* Rx buffer size */ diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 2e561876fc89..f18c6d9b9510 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -209,8 +209,8 @@ static __inline__ unsigned long ffz(unsigned long x) return BITS_PER_LONG; /* - * Calculate the bit position of the least signficant '1' bit in x - * (since x has been changed this will actually be the least signficant + * Calculate the bit position of the least significant '1' bit in x + * (since x has been changed this will actually be the least significant * '0' bit in * the original x). Note: (x & -x) gives us a mask that * is the least significant * (RIGHT-most) 1-bit of the value in x. */ diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 2296112e247b..91010e8f8479 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -140,7 +140,7 @@ static inline void __user *arch_compat_alloc_user_space(long len) unsigned long usp = regs->gpr[1]; /* - * We cant access below the stack pointer in the 32bit ABI and + * We can't access below the stack pointer in the 32bit ABI and * can access 288 bytes in the 64bit ABI */ if (!is_32bit_task()) diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index e50323fe941f..4398a6cdcf53 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -98,7 +98,7 @@ typedef struct cpm_buf_desc { #define BD_SC_INTRPT (0x1000) /* Interrupt on change */ #define BD_SC_LAST (0x0800) /* Last buffer in frame */ #define BD_SC_TC (0x0400) /* Transmit CRC */ -#define BD_SC_CM (0x0200) /* Continous mode */ +#define BD_SC_CM (0x0200) /* Continuous mode */ #define BD_SC_ID (0x0100) /* Rec'd too many idles */ #define BD_SC_P (0x0100) /* xmt preamble */ #define BD_SC_BR (0x0020) /* Break received */ diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h index bd07650dca56..8ee4211ca0c6 100644 --- a/arch/powerpc/include/asm/cpm1.h +++ b/arch/powerpc/include/asm/cpm1.h @@ -4,7 +4,7 @@ * * This file contains structures and information for the communication * processor channels. Some CPM control and status is available - * throught the MPC8xx internal memory map. See immap.h for details. + * through the MPC8xx internal memory map. See immap.h for details. * This file only contains what I need for the moment, not the total * CPM capabilities. I (or someone else) will add definitions as they * are needed. -- Dan diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index be3cdf9134ce..1833d1a07e79 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -382,10 +382,12 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ - CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E500MC (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \ CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL) +#define CPU_FTRS_E5500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \ + CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ + CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD) #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) /* 64-bit CPUs */ @@ -435,11 +437,15 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2) #ifdef __powerpc64__ +#ifdef CONFIG_PPC_BOOK3E +#define CPU_FTRS_POSSIBLE (CPU_FTRS_E5500) +#else #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \ CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ CPU_FTR_1T_SEGMENT | CPU_FTR_VSX) +#endif #else enum { CPU_FTRS_POSSIBLE = @@ -473,16 +479,21 @@ enum { #endif #ifdef CONFIG_E500 CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC | + CPU_FTRS_E5500 | #endif 0, }; #endif /* __powerpc64__ */ #ifdef __powerpc64__ +#ifdef CONFIG_PPC_BOOK3E +#define CPU_FTRS_ALWAYS (CPU_FTRS_E5500) +#else #define CPU_FTRS_ALWAYS \ (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \ CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE) +#endif #else enum { CPU_FTRS_ALWAYS = @@ -513,6 +524,7 @@ enum { #endif #ifdef CONFIG_E500 CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC & + CPU_FTRS_E5500 & #endif CPU_FTRS_POSSIBLE, }; diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index ec089acfa56b..8edec710cc6d 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -122,7 +122,7 @@ #define H_DABRX_KERNEL (1UL<<(63-62)) #define H_DABRX_USER (1UL<<(63-63)) -/* Each control block has to be on a 4K bondary */ +/* Each control block has to be on a 4K boundary */ #define H_CB_ALIGNMENT 4096 /* pSeries hypervisor opcodes */ diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index d0e7701fa1f6..be0171afdc0f 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -50,7 +50,7 @@ typedef unsigned int kprobe_opcode_t; * Handle cases where: * - User passes a <.symbol> or <module:.symbol> * - User passes a <symbol> or <module:symbol> - * - User passes a non-existant symbol, kallsyms_lookup_name + * - User passes a non-existent symbol, kallsyms_lookup_name * returns 0. Don't deref the NULL pointer in that case */ #define kprobe_lookup_name(name, addr) \ diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 26b8c807f8f1..a077adc0b35e 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -105,7 +105,7 @@ struct lppaca { // processing of external interrupts. Note that PLIC will store the // XIRR directly into the xXirrValue field so that another XIRR will // not be presented until this one clears. The layout of the low - // 4-bytes of this Dword is upto SLIC - PLIC just checks whether the + // 4-bytes of this Dword is up to SLIC - PLIC just checks whether the // entire Dword is zero or not. A non-zero value in the low order // 2-bytes will result in SLIC being granted the highest thread // priority upon return. A 0 will return to SLIC as medium priority. diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h index 7005ee0b074d..49baddcdd14e 100644 --- a/arch/powerpc/include/asm/mpic.h +++ b/arch/powerpc/include/asm/mpic.h @@ -3,7 +3,6 @@ #ifdef __KERNEL__ #include <linux/irq.h> -#include <linux/sysdev.h> #include <asm/dcr.h> #include <asm/msi_bitmap.h> @@ -320,8 +319,6 @@ struct mpic /* link */ struct mpic *next; - struct sys_device sysdev; - #ifdef CONFIG_PM struct mpic_irq_save *save_data; #endif diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 932f88dcf6fa..812b2cd80aed 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -169,7 +169,7 @@ do { \ /* * This is the default if a program doesn't have a PT_GNU_STACK * program header entry. The PPC64 ELF ABI has a non executable stack - * stack by default, so in the absense of a PT_GNU_STACK program header + * stack by default, so in the absence of a PT_GNU_STACK program header * we turn execute permission off. */ #define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ diff --git a/arch/powerpc/include/asm/pasemi_dma.h b/arch/powerpc/include/asm/pasemi_dma.h index 19fd7933e2d9..eafa5a5f56de 100644 --- a/arch/powerpc/include/asm/pasemi_dma.h +++ b/arch/powerpc/include/asm/pasemi_dma.h @@ -522,7 +522,7 @@ extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size, extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, dma_addr_t *handle); -/* Routines to allocate flags (events) for channel syncronization */ +/* Routines to allocate flags (events) for channel synchronization */ extern int pasemi_dma_alloc_flag(void); extern void pasemi_dma_free_flag(int flag); extern void pasemi_dma_set_flag(int flag); diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 5e156e034fe2..b90dbf8e5cd9 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -106,7 +106,7 @@ struct pci_controller { * Used for variants of PCI indirect handling and possible quirks: * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 * EXT_REG - provides access to PCI-e extended registers - * SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS + * SURPRESS_PRIMARY_BUS - we suppress the setting of PCI_PRIMARY_BUS * on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS * to determine which bus number to match on when generating type0 * config cycles diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h index 00eedc5a4e61..10902c9375d0 100644 --- a/arch/powerpc/include/asm/pmac_feature.h +++ b/arch/powerpc/include/asm/pmac_feature.h @@ -53,8 +53,8 @@ /* Here is the infamous serie of OHare based machines */ -#define PMAC_TYPE_COMET 0x20 /* Beleived to be PowerBook 2400 */ -#define PMAC_TYPE_HOOPER 0x21 /* Beleived to be PowerBook 3400 */ +#define PMAC_TYPE_COMET 0x20 /* Believed to be PowerBook 2400 */ +#define PMAC_TYPE_HOOPER 0x21 /* Believed to be PowerBook 3400 */ #define PMAC_TYPE_KANGA 0x22 /* PowerBook 3500 (first G3) */ #define PMAC_TYPE_ALCHEMY 0x23 /* Alchemy motherboard base */ #define PMAC_TYPE_GAZELLE 0x24 /* Spartacus, some 5xxx/6xxx */ diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index 76bb195e4f24..8d1569c29042 100644 --- a/arch/powerpc/include/asm/pte-common.h +++ b/arch/powerpc/include/asm/pte-common.h @@ -86,7 +86,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); #define PTE_RPN_MASK (~((1UL<<PTE_RPN_SHIFT)-1)) #endif -/* _PAGE_CHG_MASK masks of bits that are to be preserved accross +/* _PAGE_CHG_MASK masks of bits that are to be preserved across * pgprot changes */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ @@ -162,7 +162,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); * on platforms where such control is possible. */ #if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ - defined(CONFIG_KPROBES) + defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) #define PAGE_KERNEL_TEXT PAGE_KERNEL_X #else #define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX @@ -174,7 +174,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); /* * Don't just check for any non zero bits in __PAGE_USER, since for book3e * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in - * _PAGE_USER. Need to explictly match _PAGE_BAP_UR bit in that case too. + * _PAGE_USER. Need to explicitly match _PAGE_BAP_UR bit in that case too. */ #define pte_user(val) ((val & _PAGE_USER) == _PAGE_USER) diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 3b1a9b707362..b316794aa2b5 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -2,7 +2,7 @@ * Contains register definitions common to the Book E PowerPC * specification. Notice that while the IBM-40x series of CPUs * are not true Book E PowerPCs, they borrowed a number of features - * before Book E was finalized, and are included here as well. Unfortunatly, + * before Book E was finalized, and are included here as well. Unfortunately, * they sometimes used different locations than true Book E CPUs did. * * This program is free software; you can redistribute it and/or diff --git a/arch/powerpc/include/asm/spu_priv1.h b/arch/powerpc/include/asm/spu_priv1.h index 25020a34ce7f..d8f5c60f61c1 100644 --- a/arch/powerpc/include/asm/spu_priv1.h +++ b/arch/powerpc/include/asm/spu_priv1.h @@ -223,7 +223,7 @@ spu_disable_spu (struct spu_context *ctx) } /* - * The declarations folowing are put here for convenience + * The declarations following are put here for convenience * and only intended to be used by the platform setup code. */ diff --git a/arch/powerpc/include/asm/uninorth.h b/arch/powerpc/include/asm/uninorth.h index f737732c3861..d12b11d7641e 100644 --- a/arch/powerpc/include/asm/uninorth.h +++ b/arch/powerpc/include/asm/uninorth.h @@ -60,7 +60,7 @@ * * Obviously, the GART is not cache coherent and so any change to it * must be flushed to memory (or maybe just make the GART space non - * cachable). AGP memory itself doens't seem to be cache coherent neither. + * cachable). AGP memory itself doesn't seem to be cache coherent neither. * * In order to invalidate the GART (which is probably necessary to inval * the bridge internal TLBs), the following sequence has to be written, diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h index 25e39220e89c..b73a8199f161 100644 --- a/arch/powerpc/include/asm/vdso_datapage.h +++ b/arch/powerpc/include/asm/vdso_datapage.h @@ -57,7 +57,7 @@ struct vdso_data { } version; /* Note about the platform flags: it now only contains the lpar - * bit. The actual platform number is dead and burried + * bit. The actual platform number is dead and buried */ __u32 platform; /* Platform flags 0x18 */ __u32 processor; /* Processor type 0x1C */ diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 625942ae5585..60b3e377b1e4 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -99,7 +99,7 @@ void __init btext_prepare_BAT(void) /* This function can be used to enable the early boot text when doing * OF booting or within bootx init. It must be followed by a btext_unmap() - * call before the logical address becomes unuseable + * call before the logical address becomes unusable */ void __init btext_setup_display(int width, int height, int depth, int pitch, unsigned long address) diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index c9b68d07ac4f..b9602ee06deb 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1973,7 +1973,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .pvr_mask = 0xffff0000, .pvr_value = 0x80240000, .cpu_name = "e5500", - .cpu_features = CPU_FTRS_E500MC, + .cpu_features = CPU_FTRS_E5500, .cpu_user_features = COMMON_USER_BOOKE, .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 3d3d416339dd..5b5e1f002a8e 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -163,7 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu) } /* wait for all the CPUs to hit real mode but timeout if they don't come in */ -#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP) +#ifdef CONFIG_PPC_STD_MMU_64 static void crash_kexec_wait_realmode(int cpu) { unsigned int msecs; @@ -188,9 +188,7 @@ static void crash_kexec_wait_realmode(int cpu) } mb(); } -#else -static inline void crash_kexec_wait_realmode(int cpu) {} -#endif +#endif /* CONFIG_PPC_STD_MMU_64 */ /* * This function will be called by secondary cpus or by kexec cpu @@ -235,7 +233,9 @@ void crash_kexec_secondary(struct pt_regs *regs) crash_ipi_callback(regs); } -#else +#else /* ! CONFIG_SMP */ +static inline void crash_kexec_wait_realmode(int cpu) {} + static void crash_kexec_prepare_cpus(int cpu) { /* @@ -255,7 +255,7 @@ void crash_kexec_secondary(struct pt_regs *regs) { cpus_in_sr = CPU_MASK_NONE; } -#endif +#endif /* CONFIG_SMP */ /* * Register a function to be called on shutdown. Only use this if you diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 5c43063d2506..9651acc3504a 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -379,7 +379,7 @@ interrupt_end_book3e: mfspr r13,SPRN_SPRG_PACA /* get our PACA */ b system_call_common -/* Auxillary Processor Unavailable Interrupt */ +/* Auxiliary Processor Unavailable Interrupt */ START_EXCEPTION(ap_unavailable); NORMAL_EXCEPTION_PROLOG(0xf20, PROLOG_ADDITION_NONE) EXCEPTION_COMMON(0xf20, PACA_EXGEN, INTS_KEEP) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index c532cb2c927a..aeb739e18769 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -5,7 +5,7 @@ * handling and other fixed offset specific things. * * This file is meant to be #included from head_64.S due to - * position dependant assembly. + * position dependent assembly. * * Most of this originates from head_64.S and thus has the same * copyright history. diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index 9dd21a8c4d52..a91626d87fc9 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -766,7 +766,7 @@ DataAccess: * miss get to this point to load the TLB. * r10 - TLB_TAG value * r11 - Linux PTE - * r12, r9 - avilable to use + * r12, r9 - available to use * PID - loaded with proper value when we get here * Upon exit, we reload everything and RFI. * Actually, it will fit now, but oh well.....a common place diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index cbb3436b592d..5e12b741ba5f 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -178,7 +178,7 @@ interrupt_base: NORMAL_EXCEPTION_PROLOG EXC_XFER_EE_LITE(0x0c00, DoSyscall) - /* Auxillary Processor Unavailable Interrupt */ + /* Auxiliary Processor Unavailable Interrupt */ EXCEPTION(0x2020, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE) /* Decrementer Interrupt */ diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 271140b38b6f..3a319f9c9d3e 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -40,7 +40,7 @@ #include <asm/kvm_book3s_asm.h> #include <asm/ptrace.h> -/* The physical memory is layed out such that the secondary processor +/* The physical memory is laid out such that the secondary processor * spin code sits at 0x0000...0x00ff. On server, the vectors follow * using the layout described in exceptions-64s.S */ diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 3e02710d9562..5ecf54cfa7d4 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -326,7 +326,7 @@ interrupt_base: NORMAL_EXCEPTION_PROLOG EXC_XFER_EE_LITE(0x0c00, DoSyscall) - /* Auxillary Processor Unavailable Interrupt */ + /* Auxiliary Processor Unavailable Interrupt */ EXCEPTION(0x2900, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE) /* Decrementer Interrupt */ diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index c00d4ca1ee15..28581f1ad2c0 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -527,7 +527,7 @@ static int ibmebus_bus_pm_resume_noirq(struct device *dev) #endif /* !CONFIG_SUSPEND */ -#ifdef CONFIG_HIBERNATION +#ifdef CONFIG_HIBERNATE_CALLBACKS static int ibmebus_bus_pm_freeze(struct device *dev) { @@ -665,7 +665,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev) return ret; } -#else /* !CONFIG_HIBERNATION */ +#else /* !CONFIG_HIBERNATE_CALLBACKS */ #define ibmebus_bus_pm_freeze NULL #define ibmebus_bus_pm_thaw NULL @@ -676,7 +676,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev) #define ibmebus_bus_pm_poweroff_noirq NULL #define ibmebus_bus_pm_restore_noirq NULL -#endif /* !CONFIG_HIBERNATION */ +#endif /* !CONFIG_HIBERNATE_CALLBACKS */ static struct dev_pm_ops ibmebus_bus_dev_pm_ops = { .prepare = ibmebus_bus_pm_prepare, diff --git a/arch/powerpc/kernel/l2cr_6xx.S b/arch/powerpc/kernel/l2cr_6xx.S index 2a2f3c3f6d80..97ec8557f974 100644 --- a/arch/powerpc/kernel/l2cr_6xx.S +++ b/arch/powerpc/kernel/l2cr_6xx.S @@ -151,7 +151,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) /**** Might be a good idea to set L2DO here - to prevent instructions from getting into the cache. But since we invalidate the next time we enable the cache it doesn't really matter. - Don't do this unless you accomodate all processor variations. + Don't do this unless you accommodate all processor variations. The bit moved on the 7450..... ****/ diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index c834757bebc0..2b97b80d6d7d 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -330,9 +330,11 @@ void __init find_legacy_serial_ports(void) if (!parent) continue; if (of_match_node(legacy_serial_parents, parent) != NULL) { - index = add_legacy_soc_port(np, np); - if (index >= 0 && np == stdout) - legacy_serial_console = index; + if (of_device_is_available(np)) { + index = add_legacy_soc_port(np, np); + if (index >= 0 && np == stdout) + legacy_serial_console = index; + } } of_node_put(parent); } diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 16468362ad57..301db65f05a1 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -262,7 +262,7 @@ static void parse_ppp_data(struct seq_file *m) seq_printf(m, "system_active_processors=%d\n", ppp_data.active_system_procs); - /* pool related entries are apropriate for shared configs */ + /* pool related entries are appropriate for shared configs */ if (lppaca_of(0).shared_proc) { unsigned long pool_idle_time, pool_procs; diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c index 97e0ae414940..822f63008ae1 100644 --- a/arch/powerpc/kernel/perf_event.c +++ b/arch/powerpc/kernel/perf_event.c @@ -398,6 +398,25 @@ static int check_excludes(struct perf_event **ctrs, unsigned int cflags[], return 0; } +static u64 check_and_compute_delta(u64 prev, u64 val) +{ + u64 delta = (val - prev) & 0xfffffffful; + + /* + * POWER7 can roll back counter values, if the new value is smaller + * than the previous value it will cause the delta and the counter to + * have bogus values unless we rolled a counter over. If a coutner is + * rolled back, it will be smaller, but within 256, which is the maximum + * number of events to rollback at once. If we dectect a rollback + * return 0. This can lead to a small lack of precision in the + * counters. + */ + if (prev > val && (prev - val) < 256) + delta = 0; + + return delta; +} + static void power_pmu_read(struct perf_event *event) { s64 val, delta, prev; @@ -416,10 +435,11 @@ static void power_pmu_read(struct perf_event *event) prev = local64_read(&event->hw.prev_count); barrier(); val = read_pmc(event->hw.idx); + delta = check_and_compute_delta(prev, val); + if (!delta) + return; } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); - /* The counters are only 32 bits wide */ - delta = (val - prev) & 0xfffffffful; local64_add(delta, &event->count); local64_sub(delta, &event->hw.period_left); } @@ -449,8 +469,9 @@ static void freeze_limited_counters(struct cpu_hw_events *cpuhw, val = (event->hw.idx == 5) ? pmc5 : pmc6; prev = local64_read(&event->hw.prev_count); event->hw.idx = 0; - delta = (val - prev) & 0xfffffffful; - local64_add(delta, &event->count); + delta = check_and_compute_delta(prev, val); + if (delta) + local64_add(delta, &event->count); } } @@ -458,14 +479,16 @@ static void thaw_limited_counters(struct cpu_hw_events *cpuhw, unsigned long pmc5, unsigned long pmc6) { struct perf_event *event; - u64 val; + u64 val, prev; int i; for (i = 0; i < cpuhw->n_limited; ++i) { event = cpuhw->limited_counter[i]; event->hw.idx = cpuhw->limited_hwidx[i]; val = (event->hw.idx == 5) ? pmc5 : pmc6; - local64_set(&event->hw.prev_count, val); + prev = local64_read(&event->hw.prev_count); + if (check_and_compute_delta(prev, val)) + local64_set(&event->hw.prev_count, val); perf_event_update_userpage(event); } } @@ -759,7 +782,7 @@ static int power_pmu_add(struct perf_event *event, int ef_flags) /* * If group events scheduling transaction was started, - * skip the schedulability test here, it will be peformed + * skip the schedulability test here, it will be performed * at commit time(->commit_txn) as a whole */ if (cpuhw->group_flag & PERF_EVENT_TXN) @@ -1197,7 +1220,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val, /* we don't have to worry about interrupts here */ prev = local64_read(&event->hw.prev_count); - delta = (val - prev) & 0xfffffffful; + delta = check_and_compute_delta(prev, val); local64_add(delta, &event->count); /* diff --git a/arch/powerpc/kernel/ppc_save_regs.S b/arch/powerpc/kernel/ppc_save_regs.S index e83ba3f078e4..1b1787d52896 100644 --- a/arch/powerpc/kernel/ppc_save_regs.S +++ b/arch/powerpc/kernel/ppc_save_regs.S @@ -15,7 +15,7 @@ /* * Grab the register values as they are now. - * This won't do a particularily good job because we really + * This won't do a particularly good job because we really * want our caller's caller's registers, and our caller has * already executed its prologue. * ToDo: We could reach back into the caller's save area to do diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 05b7139d6a27..e74fa12afc82 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -683,7 +683,7 @@ void __init early_init_devtree(void *params) #endif #ifdef CONFIG_PHYP_DUMP - /* scan tree to see if dump occured during last boot */ + /* scan tree to see if dump occurred during last boot */ of_scan_flat_dt(early_init_dt_scan_phyp_dump, NULL); #endif @@ -739,7 +739,7 @@ void __init early_init_devtree(void *params) DBG("Scanning CPUs ...\n"); - /* Retreive CPU related informations from the flat tree + /* Retrieve CPU related informations from the flat tree * (altivec support, boot CPU ID, ...) */ of_scan_flat_dt(early_init_dt_scan_cpus, NULL); diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 895b082f1e48..a6ae1cfad86c 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -463,7 +463,7 @@ static int vr_set(struct task_struct *target, const struct user_regset *regset, #ifdef CONFIG_VSX /* * Currently to set and and get all the vsx state, you need to call - * the fp and VMX calls aswell. This only get/sets the lower 32 + * the fp and VMX calls as well. This only get/sets the lower 32 * 128bit VSX registers. */ @@ -933,12 +933,16 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, if (data && !(data & DABR_TRANSLATION)) return -EIO; #ifdef CONFIG_HAVE_HW_BREAKPOINT + if (ptrace_get_breakpoints(task) < 0) + return -ESRCH; + bp = thread->ptrace_bps[0]; if ((!data) || !(data & (DABR_DATA_WRITE | DABR_DATA_READ))) { if (bp) { unregister_hw_breakpoint(bp); thread->ptrace_bps[0] = NULL; } + ptrace_put_breakpoints(task); return 0; } if (bp) { @@ -948,9 +952,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, (DABR_DATA_WRITE | DABR_DATA_READ), &attr.bp_type); ret = modify_user_hw_breakpoint(bp, &attr); - if (ret) + if (ret) { + ptrace_put_breakpoints(task); return ret; + } thread->ptrace_bps[0] = bp; + ptrace_put_breakpoints(task); thread->dabr = data; return 0; } @@ -965,9 +972,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, ptrace_triggered, task); if (IS_ERR(bp)) { thread->ptrace_bps[0] = NULL; + ptrace_put_breakpoints(task); return PTR_ERR(bp); } + ptrace_put_breakpoints(task); + #endif /* CONFIG_HAVE_HW_BREAKPOINT */ /* Move contents to the DABR register */ diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c index 7980ec0e1e1a..67f6c3b51357 100644 --- a/arch/powerpc/kernel/rtasd.c +++ b/arch/powerpc/kernel/rtasd.c @@ -465,7 +465,7 @@ static void start_event_scan(void) pr_debug("rtasd: will sleep for %d milliseconds\n", (30000 / rtas_event_scan_rate)); - /* Retreive errors from nvram if any */ + /* Retrieve errors from nvram if any */ retreive_nvram_error_log(); schedule_delayed_work_on(cpumask_first(cpu_online_mask), diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index cbdbb14be4b0..9f9c204bef69 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -116,7 +116,7 @@ void smp_message_recv(int msg) generic_smp_call_function_interrupt(); break; case PPC_MSG_RESCHEDULE: - /* we notice need_resched on exit */ + scheduler_ipi(); break; case PPC_MSG_CALL_FUNC_SINGLE: generic_smp_call_function_single_interrupt(); @@ -146,7 +146,7 @@ static irqreturn_t call_function_action(int irq, void *data) static irqreturn_t reschedule_action(int irq, void *data) { - /* we just need the return path side effect of checking need_resched */ + scheduler_ipi(); return IRQ_HANDLED; } diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S index b0754e237438..ba4dee3d233f 100644 --- a/arch/powerpc/kernel/swsusp_32.S +++ b/arch/powerpc/kernel/swsusp_32.S @@ -143,7 +143,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) /* Disable MSR:DR to make sure we don't take a TLB or * hash miss during the copy, as our hash table will - * for a while be unuseable. For .text, we assume we are + * for a while be unusable. For .text, we assume we are * covered by a BAT. This works only for non-G5 at this * point. G5 will need a better approach, possibly using * a small temporary hash table filled with large mappings, diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 375480c56eb9..f33acfd872ad 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -229,6 +229,9 @@ static u64 scan_dispatch_log(u64 stop_tb) u64 stolen = 0; u64 dtb; + if (!dtl) + return 0; + if (i == vpa->dtl_idx) return 0; while (i < vpa->dtl_idx) { diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bd74fac169be..5ddb801bc154 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -959,7 +959,7 @@ void __kprobes program_check_exception(struct pt_regs *regs) * ESR_DST (!?) or 0. In the process of chasing this with the * hardware people - not sure if it can happen on any illegal * instruction or only on FP instructions, whether there is a - * pattern to occurences etc. -dgibson 31/Mar/2003 */ + * pattern to occurrences etc. -dgibson 31/Mar/2003 */ switch (do_mathemu(regs)) { case 0: emulate_single_step(regs); diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index b4b167b33643..baa33a7517bc 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -1,5 +1,5 @@ /* - * udbg for NS16550 compatable serial ports + * udbg for NS16550 compatible serial ports * * Copyright (C) 2001-2005 PPC 64 Team, IBM Corp * diff --git a/arch/powerpc/kernel/vdso32/sigtramp.S b/arch/powerpc/kernel/vdso32/sigtramp.S index 68d49dd71dcc..cf0c9c9c24f9 100644 --- a/arch/powerpc/kernel/vdso32/sigtramp.S +++ b/arch/powerpc/kernel/vdso32/sigtramp.S @@ -19,7 +19,7 @@ /* The nop here is a hack. The dwarf2 unwind routines subtract 1 from the return address to get an address in the middle of the presumed - call instruction. Since we don't have a call here, we artifically + call instruction. Since we don't have a call here, we artificially extend the range covered by the unwind info by adding a nop before the real start. */ nop diff --git a/arch/powerpc/kernel/vdso64/sigtramp.S b/arch/powerpc/kernel/vdso64/sigtramp.S index 59eb59bb4082..45ea281e9a21 100644 --- a/arch/powerpc/kernel/vdso64/sigtramp.S +++ b/arch/powerpc/kernel/vdso64/sigtramp.S @@ -20,7 +20,7 @@ /* The nop here is a hack. The dwarf2 unwind routines subtract 1 from the return address to get an address in the middle of the presumed - call instruction. Since we don't have a call here, we artifically + call instruction. Since we don't have a call here, we artificially extend the range covered by the unwind info by padding before the real start. */ nop diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S index 3079f6b44cf5..5b7dd4ea02b5 100644 --- a/arch/powerpc/mm/hash_low_64.S +++ b/arch/powerpc/mm/hash_low_64.S @@ -192,8 +192,8 @@ htab_insert_pte: rldicr r3,r0,3,63-3 /* r3 = (hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,0 /* !bolted, !secondary */ li r8,MMU_PAGE_4K /* page size */ ld r9,STK_PARM(r9)(r1) /* segment size */ @@ -215,8 +215,8 @@ _GLOBAL(htab_call_hpte_insert1) rldicr r3,r0,3,63-3 /* r0 = (~hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,HPTE_V_SECONDARY /* !bolted, secondary */ li r8,MMU_PAGE_4K /* page size */ ld r9,STK_PARM(r9)(r1) /* segment size */ @@ -495,8 +495,8 @@ htab_special_pfn: rldicr r3,r0,3,63-3 /* r0 = (hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,0 /* !bolted, !secondary */ li r8,MMU_PAGE_4K /* page size */ ld r9,STK_PARM(r9)(r1) /* segment size */ @@ -522,8 +522,8 @@ _GLOBAL(htab_call_hpte_insert1) rldicr r3,r0,3,63-3 /* r0 = (~hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,HPTE_V_SECONDARY /* !bolted, secondary */ li r8,MMU_PAGE_4K /* page size */ ld r9,STK_PARM(r9)(r1) /* segment size */ @@ -813,8 +813,8 @@ ht64_insert_pte: rldicr r3,r0,3,63-3 /* r0 = (hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,0 /* !bolted, !secondary */ li r8,MMU_PAGE_64K ld r9,STK_PARM(r9)(r1) /* segment size */ @@ -836,8 +836,8 @@ _GLOBAL(ht64_call_hpte_insert1) rldicr r3,r0,3,63-3 /* r0 = (~hash & mask) << 3 */ /* Call ppc_md.hpte_insert */ - ld r6,STK_PARM(r4)(r1) /* Retreive new pp bits */ - mr r4,r29 /* Retreive va */ + ld r6,STK_PARM(r4)(r1) /* Retrieve new pp bits */ + mr r4,r29 /* Retrieve va */ li r7,HPTE_V_SECONDARY /* !bolted, secondary */ li r8,MMU_PAGE_64K ld r9,STK_PARM(r9)(r1) /* segment size */ diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index a5991facddce..58a022d0f463 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -753,7 +753,7 @@ void __cpuinit early_init_mmu_secondary(void) mtspr(SPRN_SDR1, _SDR1); /* Initialize STAB/SLB. We use a virtual address as it works - * in real mode on pSeries and we want a virutal address on + * in real mode on pSeries and we want a virtual address on * iSeries anyway */ if (cpu_has_feature(CPU_FTR_SLB)) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index a66499650909..57e545b84bf1 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -424,7 +424,7 @@ void clear_user_page(void *page, unsigned long vaddr, struct page *pg) clear_page(page); /* - * We shouldnt have to do this, but some versions of glibc + * We shouldn't have to do this, but some versions of glibc * require it (ld.so assumes zero filled pages are icache clean) * - Anton */ diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 0dc95c0aa3be..5ec1dad2a19d 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -440,11 +440,11 @@ static void read_drconf_cell(struct of_drconf_cell *drmem, const u32 **cellp) } /* - * Retreive and validate the ibm,dynamic-memory property of the device tree. + * Retrieve and validate the ibm,dynamic-memory property of the device tree. * * The layout of the ibm,dynamic-memory property is a number N of memblock * list entries followed by N memblock list entries. Each memblock list entry - * contains information as layed out in the of_drconf_cell struct above. + * contains information as laid out in the of_drconf_cell struct above. */ static int of_get_drconf_memory(struct device_node *memory, const u32 **dm) { @@ -468,7 +468,7 @@ static int of_get_drconf_memory(struct device_node *memory, const u32 **dm) } /* - * Retreive and validate the ibm,lmb-size property for drconf memory + * Retrieve and validate the ibm,lmb-size property for drconf memory * from the device tree. */ static u64 of_get_lmb_size(struct device_node *memory) @@ -490,7 +490,7 @@ struct assoc_arrays { }; /* - * Retreive and validate the list of associativity arrays for drconf + * Retrieve and validate the list of associativity arrays for drconf * memory from the ibm,associativity-lookup-arrays property of the * device tree.. * @@ -604,7 +604,7 @@ static int __cpuinit cpu_numa_callback(struct notifier_block *nfb, * Returns the size the region should have to enforce the memory limit. * This will either be the original value of size, a truncated value, * or zero. If the returned value of size is 0 the region should be - * discarded as it lies wholy above the memory limit. + * discarded as it lies wholly above the memory limit. */ static unsigned long __init numa_enforce_memory_limit(unsigned long start, unsigned long size) diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S index 222815112e45..af0892209417 100644 --- a/arch/powerpc/mm/tlb_low_64e.S +++ b/arch/powerpc/mm/tlb_low_64e.S @@ -192,7 +192,7 @@ normal_tlb_miss: or r10,r15,r14 BEGIN_MMU_FTR_SECTION - /* Set the TLB reservation and seach for existing entry. Then load + /* Set the TLB reservation and search for existing entry. Then load * the entry. */ PPC_TLBSRX_DOT(0,r16) @@ -425,7 +425,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_TLBRSRV) virt_page_table_tlb_miss_fault: /* If we fault here, things are a little bit tricky. We need to call - * either data or instruction store fault, and we need to retreive + * either data or instruction store fault, and we need to retrieve * the original fault address and ESR (for data). * * The thing is, we know that in normal circumstances, this is diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index c4d2b7167568..cb515cff745c 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -67,7 +67,7 @@ #define MAX_SPU_COUNT 0xFFFFFF /* maximum 24 bit LFSR value */ -/* Minumum HW interval timer setting to send value to trace buffer is 10 cycle. +/* Minimum HW interval timer setting to send value to trace buffer is 10 cycle. * To configure counter to send value every N cycles set counter to * 2^32 - 1 - N. */ @@ -1470,7 +1470,7 @@ static int cell_global_start(struct op_counter_config *ctr) * trace buffer at the maximum rate possible. The trace buffer is configured * to store the PCs, wrapping when it is full. The performance counter is * initialized to the max hardware count minus the number of events, N, between - * samples. Once the N events have occured, a HW counter overflow occurs + * samples. Once the N events have occurred, a HW counter overflow occurs * causing the generation of a HW counter interrupt which also stops the * writing of the SPU PC values to the trace buffer. Hence the last PC * written to the trace buffer is the SPU PC that we want. Unfortunately, @@ -1656,7 +1656,7 @@ static void cell_handle_interrupt_ppu(struct pt_regs *regs, * The counters were frozen by the interrupt. * Reenable the interrupt and restart the counters. * If there was a race between the interrupt handler and - * the virtual counter routine. The virutal counter + * the virtual counter routine. The virtual counter * routine may have cleared the interrupts. Hence must * use the virt_cntr_inter_mask to re-enable the interrupts. */ diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c index 80774092db77..8ee51a252cf1 100644 --- a/arch/powerpc/oprofile/op_model_power4.c +++ b/arch/powerpc/oprofile/op_model_power4.c @@ -207,7 +207,7 @@ static unsigned long get_pc(struct pt_regs *regs) unsigned long mmcra; unsigned long slot; - /* Cant do much about it */ + /* Can't do much about it */ if (!cur_cpu_spec->oprofile_mmcra_sihv) return pc; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 6385d883cb8d..9940ce8a2d4e 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -57,7 +57,7 @@ struct mpc52xx_lpbfifo { static struct mpc52xx_lpbfifo lpbfifo; /** - * mpc52xx_lpbfifo_kick - Trigger the next block of data to be transfered + * mpc52xx_lpbfifo_kick - Trigger the next block of data to be transferred */ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req) { @@ -179,7 +179,7 @@ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req) * * On transmit, the dma completion irq triggers before the fifo completion * triggers. Handle the dma completion here instead of the LPB FIFO Bestcomm - * task completion irq becuase everyting is not really done until the LPB FIFO + * task completion irq because everything is not really done until the LPB FIFO * completion irq triggers. * * In other words: @@ -195,7 +195,7 @@ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req) * Exit conditions: * 1) Transfer aborted * 2) FIFO complete without DMA; more data to do - * 3) FIFO complete without DMA; all data transfered + * 3) FIFO complete without DMA; all data transferred * 4) FIFO complete using DMA * * Condition 1 can occur regardless of whether or not DMA is used. diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 3ddea96273ca..1dd15400f6f0 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -512,7 +512,7 @@ void __init mpc52xx_init_irq(void) /** * mpc52xx_get_irq - Get pending interrupt number hook function * - * Called by the interupt handler to determine what IRQ handler needs to be + * Called by the interrupt handler to determine what IRQ handler needs to be * executed. * * Status of pending interrupts is determined by reading the encoded status diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index 188272934cfb..104faa8aa23c 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -318,17 +318,20 @@ static const struct platform_suspend_ops mpc83xx_suspend_ops = { .end = mpc83xx_suspend_end, }; +static struct of_device_id pmc_match[]; static int pmc_probe(struct platform_device *ofdev) { + const struct of_device_id *match; struct device_node *np = ofdev->dev.of_node; struct resource res; struct pmc_type *type; int ret = 0; - if (!ofdev->dev.of_match) + match = of_match_device(pmc_match, &ofdev->dev); + if (!match) return -EINVAL; - type = ofdev->dev.of_match->data; + type = match->data; if (!of_device_is_available(np)) return -ENODEV; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index acfaccea5f4f..3675da73623f 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -32,6 +32,7 @@ #include <linux/io.h> #include <linux/mutex.h> #include <linux/linux_logo.h> +#include <linux/syscore_ops.h> #include <asm/spu.h> #include <asm/spu_priv1.h> #include <asm/spu_csa.h> @@ -521,18 +522,8 @@ void spu_init_channels(struct spu *spu) } EXPORT_SYMBOL_GPL(spu_init_channels); -static int spu_shutdown(struct sys_device *sysdev) -{ - struct spu *spu = container_of(sysdev, struct spu, sysdev); - - spu_free_irqs(spu); - spu_destroy_spu(spu); - return 0; -} - static struct sysdev_class spu_sysdev_class = { .name = "spu", - .shutdown = spu_shutdown, }; int spu_add_sysdev_attr(struct sysdev_attribute *attr) @@ -797,6 +788,22 @@ static inline void crash_register_spus(struct list_head *list) } #endif +static void spu_shutdown(void) +{ + struct spu *spu; + + mutex_lock(&spu_full_list_mutex); + list_for_each_entry(spu, &spu_full_list, full_list) { + spu_free_irqs(spu); + spu_destroy_spu(spu); + } + mutex_unlock(&spu_full_list_mutex); +} + +static struct syscore_ops spu_syscore_ops = { + .shutdown = spu_shutdown, +}; + static int __init init_spu_base(void) { int i, ret = 0; @@ -830,6 +837,7 @@ static int __init init_spu_base(void) crash_register_spus(&spu_full_list); mutex_unlock(&spu_full_list_mutex); spu_add_sysdev_attr(&attr_stat); + register_syscore_ops(&spu_syscore_ops); spu_init_affinity(); diff --git a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c index 3b894f585280..147069938cfe 100644 --- a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c +++ b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c @@ -90,7 +90,7 @@ int spu_alloc_lscsa(struct spu_state *csa) */ for (i = 0; i < SPU_LSCSA_NUM_BIG_PAGES; i++) { /* XXX This is likely to fail, we should use a special pool - * similiar to what hugetlbfs does. + * similar to what hugetlbfs does. */ csa->lscsa_pages[i] = alloc_pages(GFP_KERNEL, SPU_64K_PAGE_ORDER); diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 0b0466284932..65203857b0ce 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -846,7 +846,7 @@ static struct spu_context *grab_runnable_context(int prio, int node) struct list_head *rq = &spu_prio->runq[best]; list_for_each_entry(ctx, rq, rq) { - /* XXX(hch): check for affinity here aswell */ + /* XXX(hch): check for affinity here as well */ if (__node_allowed(ctx, node)) { __spu_del_from_rq(ctx); goto found; diff --git a/arch/powerpc/platforms/cell/spufs/spu_restore.c b/arch/powerpc/platforms/cell/spufs/spu_restore.c index 21a9c952d88b..72c905f1ee7a 100644 --- a/arch/powerpc/platforms/cell/spufs/spu_restore.c +++ b/arch/powerpc/platforms/cell/spufs/spu_restore.c @@ -284,7 +284,7 @@ static inline void restore_complete(void) exit_instrs[3] = BR_INSTR; break; default: - /* SPU_Status[R]=1. No additonal instructions. */ + /* SPU_Status[R]=1. No additional instructions. */ break; } spu_sync(); diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index b5e026bdca21..62dabe3c2bfa 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -51,7 +51,7 @@ static int mf_initialized; /* - * This is the structure layout for the Machine Facilites LPAR event + * This is the structure layout for the Machine Facilities LPAR event * flows. */ struct vsp_cmd_data { diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index b5f05d943a90..2376069cdc14 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -396,7 +396,7 @@ static void vio_handleEvent(struct HvLpEvent *event) viopathStatus[remoteLp].mTargetInst)) { printk(VIOPATH_KERN_WARN "message from invalid partition. " - "int msg rcvd, source inst (%d) doesnt match (%d)\n", + "int msg rcvd, source inst (%d) doesn't match (%d)\n", viopathStatus[remoteLp].mTargetInst, event->xSourceInstanceId); return; @@ -407,7 +407,7 @@ static void vio_handleEvent(struct HvLpEvent *event) viopathStatus[remoteLp].mSourceInst)) { printk(VIOPATH_KERN_WARN "message from invalid partition. " - "int msg rcvd, target inst (%d) doesnt match (%d)\n", + "int msg rcvd, target inst (%d) doesn't match (%d)\n", viopathStatus[remoteLp].mSourceInst, event->xTargetInstanceId); return; @@ -418,7 +418,7 @@ static void vio_handleEvent(struct HvLpEvent *event) viopathStatus[remoteLp].mSourceInst) { printk(VIOPATH_KERN_WARN "message from invalid partition. " - "ack msg rcvd, source inst (%d) doesnt match (%d)\n", + "ack msg rcvd, source inst (%d) doesn't match (%d)\n", viopathStatus[remoteLp].mSourceInst, event->xSourceInstanceId); return; @@ -428,7 +428,7 @@ static void vio_handleEvent(struct HvLpEvent *event) viopathStatus[remoteLp].mTargetInst) { printk(VIOPATH_KERN_WARN "message from invalid partition. " - "viopath: ack msg rcvd, target inst (%d) doesnt match (%d)\n", + "viopath: ack msg rcvd, target inst (%d) doesn't match (%d)\n", viopathStatus[remoteLp].mTargetInst, event->xTargetInstanceId); return; diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index 09695ae50f91..321a9b3a2d00 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -379,9 +379,9 @@ void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, } EXPORT_SYMBOL(pasemi_dma_free_buf); -/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel syncronization +/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel synchronization * - * Allocates a flag for use with channel syncronization (event descriptors). + * Allocates a flag for use with channel synchronization (event descriptors). * Returns allocated flag (0-63), < 0 on error. */ int pasemi_dma_alloc_flag(void) diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index 50f169392551..ea47df66fee5 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -11,7 +11,7 @@ obj-y += pic.o setup.o time.o feature.o pci.o \ obj-$(CONFIG_PMAC_BACKLIGHT) += backlight.o obj-$(CONFIG_CPU_FREQ_PMAC) += cpufreq_32.o obj-$(CONFIG_CPU_FREQ_PMAC64) += cpufreq_64.o -# CONFIG_NVRAM is an arch. independant tristate symbol, for pmac32 we really +# CONFIG_NVRAM is an arch. independent tristate symbol, for pmac32 we really # need this to be a bool. Cheat here and pretend CONFIG_NVRAM=m is really # CONFIG_NVRAM=y obj-$(CONFIG_NVRAM:m=y) += nvram.o diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 480567e5fa9a..e9c8a607268e 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -904,7 +904,7 @@ static void __init smu_i2c_probe(void) printk(KERN_INFO "SMU i2c %s\n", controller->full_name); /* Look for childs, note that they might not be of the right - * type as older device trees mix i2c busses and other thigns + * type as older device trees mix i2c busses and other things * at the same level */ for (busnode = NULL; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index ab6898942700..f33e08d573ce 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -299,7 +299,7 @@ static void __init setup_chaos(struct pci_controller *hose, * This function deals with some "special cases" devices. * * 0 -> No special case - * 1 -> Skip the device but act as if the access was successfull + * 1 -> Skip the device but act as if the access was successful * (return 0xff's on reads, eventually, cache config space * accesses in a later version) * -1 -> Hide the device (unsuccessful access) diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 023f24086a0a..7c18a1607d1c 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -21,7 +21,7 @@ #include <linux/signal.h> #include <linux/pci.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/adb.h> #include <linux/pmu.h> #include <linux/module.h> @@ -677,7 +677,7 @@ not_found: return viaint; } -static int pmacpic_suspend(struct sys_device *sysdev, pm_message_t state) +static int pmacpic_suspend(void) { int viaint = pmacpic_find_viaint(); @@ -698,7 +698,7 @@ static int pmacpic_suspend(struct sys_device *sysdev, pm_message_t state) return 0; } -static int pmacpic_resume(struct sys_device *sysdev) +static void pmacpic_resume(void) { int i; @@ -709,39 +709,19 @@ static int pmacpic_resume(struct sys_device *sysdev) for (i = 0; i < max_real_irqs; ++i) if (test_bit(i, sleep_save_mask)) pmac_unmask_irq(irq_get_irq_data(i)); - - return 0; } -#endif /* CONFIG_PM && CONFIG_PPC32 */ - -static struct sysdev_class pmacpic_sysclass = { - .name = "pmac_pic", +static struct syscore_ops pmacpic_syscore_ops = { + .suspend = pmacpic_suspend, + .resume = pmacpic_resume, }; -static struct sys_device device_pmacpic = { - .id = 0, - .cls = &pmacpic_sysclass, -}; - -static struct sysdev_driver driver_pmacpic = { -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) - .suspend = &pmacpic_suspend, - .resume = &pmacpic_resume, -#endif /* CONFIG_PM && CONFIG_PPC32 */ -}; - -static int __init init_pmacpic_sysfs(void) +static int __init init_pmacpic_syscore(void) { -#ifdef CONFIG_PPC32 - if (max_irqs == 0) - return -ENODEV; -#endif - printk(KERN_DEBUG "Registering pmac pic with sysfs...\n"); - sysdev_class_register(&pmacpic_sysclass); - sysdev_register(&device_pmacpic); - sysdev_driver_register(&pmacpic_sysclass, &driver_pmacpic); + register_syscore_ops(&pmacpic_syscore_ops); return 0; } -machine_subsys_initcall(powermac, init_pmacpic_sysfs); +machine_subsys_initcall(powermac, init_pmacpic_syscore); + +#endif /* CONFIG_PM && CONFIG_PPC32 */ diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index a830c5e80657..bc5f0dc6ae1e 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -842,6 +842,7 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr) mpic_setup_this_cpu(); } +#ifdef CONFIG_PPC64 #ifdef CONFIG_HOTPLUG_CPU static int smp_core99_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) @@ -879,7 +880,6 @@ static struct notifier_block __cpuinitdata smp_core99_cpu_nb = { static void __init smp_core99_bringup_done(void) { -#ifdef CONFIG_PPC64 extern void g5_phy_disable_cpu1(void); /* Close i2c bus if it was used for tb sync */ @@ -894,14 +894,14 @@ static void __init smp_core99_bringup_done(void) set_cpu_present(1, false); g5_phy_disable_cpu1(); } -#endif /* CONFIG_PPC64 */ - #ifdef CONFIG_HOTPLUG_CPU register_cpu_notifier(&smp_core99_cpu_nb); #endif + if (ppc_md.progress) ppc_md.progress("smp_core99_bringup_done", 0x349); } +#endif /* CONFIG_PPC64 */ #ifdef CONFIG_HOTPLUG_CPU @@ -975,7 +975,9 @@ static void pmac_cpu_die(void) struct smp_ops_t core99_smp_ops = { .message_pass = smp_mpic_message_pass, .probe = smp_core99_probe, +#ifdef CONFIG_PPC64 .bringup_done = smp_core99_bringup_done, +#endif .kick_cpu = smp_core99_kick_cpu, .setup_cpu = smp_core99_setup_cpu, .give_timebase = smp_core99_give_timebase, diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index b74a9230edc9..57ceb92b2288 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -74,7 +74,7 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa) return NULL; /* The configure connector reported name does not contain a - * preceeding '/', so we allocate a buffer large enough to + * preceding '/', so we allocate a buffer large enough to * prepend this to the full_name. */ name = (char *)ccwa + ccwa->name_offset; diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 3cc4d102b1f1..89649173d3a3 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -65,7 +65,7 @@ * with EEH. * * Ideally, a PCI device driver, when suspecting that an isolation - * event has occured (e.g. by reading 0xff's), will then ask EEH + * event has occurred (e.g. by reading 0xff's), will then ask EEH * whether this is the case, and then take appropriate steps to * reset the PCI slot, the PCI device, and then resume operations. * However, until that day, the checking is done here, with the diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index fd50ccd4bac1..ef8c45489e20 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -216,7 +216,7 @@ static void pseries_cpu_die(unsigned int cpu) cpu, pcpu, cpu_status); } - /* Isolation and deallocation are definatly done by + /* Isolation and deallocation are definitely done by * drslot_chrp_cpu. If they were not they would be * done here. Change isolate state to Isolate and * change allocation-state to Unusable. diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 154c464cdca5..6d5412a18b26 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -272,7 +272,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum) return tce_ret; } -/* this is compatable with cells for the device tree property */ +/* this is compatible with cells for the device tree property */ struct dynamic_dma_window_prop { __be32 liobn; /* tce table number */ __be64 dma_base; /* address hi,lo */ @@ -976,7 +976,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) pr_debug("pci_dma_dev_setup_pSeriesLP: %s\n", pci_name(dev)); /* dev setup for LPAR is a little tricky, since the device tree might - * contain the dma-window properties per-device and not neccesarily + * contain the dma-window properties per-device and not necessarily * for the bus. So we need to search upwards in the tree until we * either hit a dma-window property, OR find a parent with a table * already allocated. @@ -1033,7 +1033,7 @@ static int dma_set_mask_pSeriesLP(struct device *dev, u64 dma_mask) /* * the device tree might contain the dma-window properties - * per-device and not neccesarily for the bus. So we need to + * per-device and not necessarily for the bus. So we need to * search upwards in the tree until we either hit a dma-window * property, OR find a parent with a table already allocated. */ diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 000724149089..6c42cfde8415 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -287,14 +287,22 @@ static int alloc_dispatch_logs(void) int cpu, ret; struct paca_struct *pp; struct dtl_entry *dtl; + struct kmem_cache *dtl_cache; if (!firmware_has_feature(FW_FEATURE_SPLPAR)) return 0; + dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, + DISPATCH_LOG_BYTES, 0, NULL); + if (!dtl_cache) { + pr_warn("Failed to create dispatch trace log buffer cache\n"); + pr_warn("Stolen time statistics will be unreliable\n"); + return 0; + } + for_each_possible_cpu(cpu) { pp = &paca[cpu]; - dtl = kmalloc_node(DISPATCH_LOG_BYTES, GFP_KERNEL, - cpu_to_node(cpu)); + dtl = kmem_cache_alloc(dtl_cache, GFP_KERNEL); if (!dtl) { pr_warn("Failed to allocate dispatch trace log for cpu %d\n", cpu); diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index ec8fe22047b7..d6901334d66e 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -897,7 +897,7 @@ void xics_migrate_irqs_away(void) int status; unsigned long flags; - /* We cant set affinity on ISA interrupts */ + /* We can't set affinity on ISA interrupts */ if (virq < NUM_ISA_INTERRUPTS) continue; if (irq_map[virq].host != xics_host) diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 27402c7d309d..1636dd896707 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -95,7 +95,7 @@ axon_ram_irq_handler(int irq, void *dev) BUG_ON(!bank); - dev_err(&device->dev, "Correctable memory error occured\n"); + dev_err(&device->dev, "Correctable memory error occurred\n"); bank->ecc_counter++; return IRQ_HANDLED; } diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.h b/arch/powerpc/sysdev/bestcomm/bestcomm.h index 23a95f80dfdb..a0e2e6b19b57 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm.h +++ b/arch/powerpc/sysdev/bestcomm/bestcomm.h @@ -20,7 +20,7 @@ * struct bcom_bd - Structure describing a generic BestComm buffer descriptor * @status: The current status of this buffer. Exact meaning depends on the * task type - * @data: An array of u32 extra data. Size of array is task dependant. + * @data: An array of u32 extra data. Size of array is task dependent. * * Note: Don't dereference a bcom_bd pointer as an array. The size of the * bcom_bd is variable. Use bcom_get_bd() instead. diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h b/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h index eb0d1c883c31..3b52f3ffbdf8 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h +++ b/arch/powerpc/sysdev/bestcomm/bestcomm_priv.h @@ -97,7 +97,7 @@ struct bcom_task_header { u8 reserved[8]; }; -/* Descriptors stucture & co */ +/* Descriptors structure & co */ #define BCOM_DESC_NOP 0x000001f8 #define BCOM_LCD_MASK 0x80000000 #define BCOM_DRD_EXTENDED 0x40000000 diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 8b5aba263323..e0bc944eb23f 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -223,7 +223,7 @@ void __init cpm_reset(void) /* Set SDMA Bus Request priority 5. * On 860T, this also enables FEC priority 6. I am not sure - * this is what we realy want for some applications, but the + * this is what we really want for some applications, but the * manual recommends it. * Bit 25, FAM can also be set to use FEC aggressive mode (860T). */ diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index d5679dc1e20f..01cd2f089512 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -304,8 +304,10 @@ static int __devinit fsl_msi_setup_hwirq(struct fsl_msi *msi, return 0; } +static const struct of_device_id fsl_of_msi_ids[]; static int __devinit fsl_of_msi_probe(struct platform_device *dev) { + const struct of_device_id *match; struct fsl_msi *msi; struct resource res; int err, i, j, irq_index, count; @@ -316,9 +318,10 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) u32 offset; static const u32 all_avail[] = { 0, NR_MSI_IRQS }; - if (!dev->dev.of_match) + match = of_match_device(fsl_of_msi_ids, &dev->dev); + if (!match) return -EINVAL; - features = dev->dev.of_match->data; + features = match->data; printk(KERN_DEBUG "Setting up Freescale MSI support\n"); diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index f8f7f28c6343..68ca9290df94 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -324,6 +324,11 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary) struct resource rsrc; const int *bus_range; + if (!of_device_is_available(dev)) { + pr_warning("%s: disabled\n", dev->full_name); + return -ENODEV; + } + pr_debug("Adding PCI host bridge %s\n", dev->full_name); /* Fetch host bridge registers address */ diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 14232d57369c..49798532b477 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -1457,7 +1457,6 @@ int fsl_rio_setup(struct platform_device *dev) port->ops = ops; port->priv = priv; port->phys_efptr = 0x100; - rio_register_mport(port); priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1); rio_regs_win = priv->regs_win; @@ -1504,6 +1503,9 @@ int fsl_rio_setup(struct platform_device *dev) dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n", port->sys_size ? 65536 : 256); + if (rio_register_mport(port)) + goto err; + if (port->host_deviceid >= 0) out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST | RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED); diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index 7ed809676642..82fdad885d20 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -117,7 +117,7 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) | (devfn << 8) | reg | cfg_type)); - /* surpress setting of PCI_PRIMARY_BUS */ + /* suppress setting of PCI_PRIMARY_BUS */ if (hose->indirect_type & PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS) if ((offset == PCI_PRIMARY_BUS) && (bus->number == hose->first_busno)) diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index fa438be962b7..596554a8725e 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -18,7 +18,7 @@ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/signal.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/device.h> #include <linux/bootmem.h> #include <linux/spinlock.h> @@ -902,7 +902,7 @@ static struct { u32 sercr; } ipic_saved_state; -static int ipic_suspend(struct sys_device *sdev, pm_message_t state) +static int ipic_suspend(void) { struct ipic *ipic = primary_ipic; @@ -933,7 +933,7 @@ static int ipic_suspend(struct sys_device *sdev, pm_message_t state) return 0; } -static int ipic_resume(struct sys_device *sdev) +static void ipic_resume(void) { struct ipic *ipic = primary_ipic; @@ -949,44 +949,26 @@ static int ipic_resume(struct sys_device *sdev) ipic_write(ipic->regs, IPIC_SECNR, ipic_saved_state.secnr); ipic_write(ipic->regs, IPIC_SERMR, ipic_saved_state.sermr); ipic_write(ipic->regs, IPIC_SERCR, ipic_saved_state.sercr); - - return 0; } #else #define ipic_suspend NULL #define ipic_resume NULL #endif -static struct sysdev_class ipic_sysclass = { - .name = "ipic", +static struct syscore_ops ipic_syscore_ops = { .suspend = ipic_suspend, .resume = ipic_resume, }; -static struct sys_device device_ipic = { - .id = 0, - .cls = &ipic_sysclass, -}; - -static int __init init_ipic_sysfs(void) +static int __init init_ipic_syscore(void) { - int rc; - if (!primary_ipic || !primary_ipic->regs) return -ENODEV; - printk(KERN_DEBUG "Registering ipic with sysfs...\n"); - rc = sysdev_class_register(&ipic_sysclass); - if (rc) { - printk(KERN_ERR "Failed registering ipic sys class\n"); - return -ENODEV; - } - rc = sysdev_register(&device_ipic); - if (rc) { - printk(KERN_ERR "Failed registering ipic sys device\n"); - return -ENODEV; - } + printk(KERN_DEBUG "Registering ipic system core operations\n"); + register_syscore_ops(&ipic_syscore_ops); + return 0; } -subsys_initcall(init_ipic_sysfs); +subsys_initcall(init_ipic_syscore); diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index f91c065bed5a..7e5dc8f4984a 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -27,6 +27,7 @@ #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/slab.h> +#include <linux/syscore_ops.h> #include <asm/ptrace.h> #include <asm/signal.h> @@ -1702,9 +1703,8 @@ void mpic_reset_core(int cpu) #endif /* CONFIG_SMP */ #ifdef CONFIG_PM -static int mpic_suspend(struct sys_device *dev, pm_message_t state) +static void mpic_suspend_one(struct mpic *mpic) { - struct mpic *mpic = container_of(dev, struct mpic, sysdev); int i; for (i = 0; i < mpic->num_sources; i++) { @@ -1713,13 +1713,22 @@ static int mpic_suspend(struct sys_device *dev, pm_message_t state) mpic->save_data[i].dest = mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)); } +} + +static int mpic_suspend(void) +{ + struct mpic *mpic = mpics; + + while (mpic) { + mpic_suspend_one(mpic); + mpic = mpic->next; + } return 0; } -static int mpic_resume(struct sys_device *dev) +static void mpic_resume_one(struct mpic *mpic) { - struct mpic *mpic = container_of(dev, struct mpic, sysdev); int i; for (i = 0; i < mpic->num_sources; i++) { @@ -1746,33 +1755,28 @@ static int mpic_resume(struct sys_device *dev) } #endif } /* end for loop */ +} - return 0; +static void mpic_resume(void) +{ + struct mpic *mpic = mpics; + + while (mpic) { + mpic_resume_one(mpic); + mpic = mpic->next; + } } -#endif -static struct sysdev_class mpic_sysclass = { -#ifdef CONFIG_PM +static struct syscore_ops mpic_syscore_ops = { .resume = mpic_resume, .suspend = mpic_suspend, -#endif - .name = "mpic", }; static int mpic_init_sys(void) { - struct mpic *mpic = mpics; - int error, id = 0; - - error = sysdev_class_register(&mpic_sysclass); - - while (mpic && !error) { - mpic->sysdev.cls = &mpic_sysclass; - mpic->sysdev.id = id++; - error = sysdev_register(&mpic->sysdev); - mpic = mpic->next; - } - return error; + register_syscore_ops(&mpic_syscore_ops); + return 0; } device_initcall(mpic_init_sys); +#endif diff --git a/arch/powerpc/sysdev/ppc4xx_pci.h b/arch/powerpc/sysdev/ppc4xx_pci.h index 56d9e5deccbf..c39a134e8684 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.h +++ b/arch/powerpc/sysdev/ppc4xx_pci.h @@ -324,7 +324,7 @@ #define PESDR0_460EX_IHS2 0x036D /* - * 460SX addtional DCRs + * 460SX additional DCRs */ #define PESDRn_460SX_RCEI 0x02 |