diff options
Diffstat (limited to 'arch/powerpc/platforms')
35 files changed, 209 insertions, 130 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 25ebe634a661..e9d3c6b241a8 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -178,6 +178,7 @@ config ISS4xx config CURRITUCK bool "IBM Currituck (476fpe) Support" depends on PPC_47x + select I2C select SWIOTLB select 476FPE select FORCE_PCI diff --git a/arch/powerpc/platforms/4xx/cpm.c b/arch/powerpc/platforms/4xx/cpm.c index ae8b812c9202..2481e78c0423 100644 --- a/arch/powerpc/platforms/4xx/cpm.c +++ b/arch/powerpc/platforms/4xx/cpm.c @@ -327,6 +327,6 @@ late_initcall(cpm_init); static int __init cpm_powersave_off(char *arg) { cpm.powersave_off = 1; - return 0; + return 1; } __setup("powersave=off", cpm_powersave_off); diff --git a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c index 30342b60aa63..42c3d40355d9 100644 --- a/arch/powerpc/platforms/512x/clock-commonclk.c +++ b/arch/powerpc/platforms/512x/clock-commonclk.c @@ -984,7 +984,7 @@ static void mpc5121_clk_provide_migration_support(void) #define NODE_PREP do { \ of_address_to_resource(np, 0, &res); \ - snprintf(devname, sizeof(devname), "%08x.%s", res.start, np->name); \ + snprintf(devname, sizeof(devname), "%pa.%s", &res.start, np->name); \ } while (0) #define NODE_CHK(clkname, clkitem, regnode, regflag) do { \ diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 05e19470d523..22e264bd3ed2 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -530,6 +530,7 @@ static int mpc52xx_lpbfifo_probe(struct platform_device *op) err_bcom_rx_irq: bcom_gen_bd_rx_release(lpbfifo.bcom_rx_task); err_bcom_rx: + free_irq(lpbfifo.irq, &lpbfifo); err_irq: iounmap(lpbfifo.regs); lpbfifo.regs = NULL; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index fc98912f42cf..76a8102bdb98 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -340,7 +340,7 @@ static int mpc52xx_irqhost_map(struct irq_domain *h, unsigned int virq, { int l1irq; int l2irq; - struct irq_chip *uninitialized_var(irqchip); + struct irq_chip *irqchip; void *hndlr; int type; u32 reg; diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 4588ce632484..b6354054f883 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -107,7 +107,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, goto next; unreg: - platform_device_del(pdev); + platform_device_put(pdev); err: pr_err("%pOF: registration failed\n", np); next: diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c index 0f65c51271db..ec6dc2d7a9db 100644 --- a/arch/powerpc/platforms/8xx/cpm1.c +++ b/arch/powerpc/platforms/8xx/cpm1.c @@ -292,6 +292,7 @@ cpm_setbrg(uint brg, uint rate) out_be32(bp, (((BRG_UART_CLK_DIV16 / rate) - 1) << 1) | CPM_BRG_EN | CPM_BRG_DIV16); } +EXPORT_SYMBOL(cpm_setbrg); struct cpm_ioport16 { __be16 dir, par, odr_sor, dat, intr; diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index f0330ce498d1..325dc8b53422 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -118,9 +118,9 @@ config GENERIC_CPU depends on PPC64 && CPU_LITTLE_ENDIAN select ARCH_HAS_FAST_MULTIPLIER -config GENERIC_CPU +config POWERPC_CPU bool "Generic 32 bits powerpc" - depends on PPC32 && !PPC_8xx + depends on PPC32 && !PPC_8xx && !PPC_85xx config CELL_CPU bool "Cell Broadband Engine" @@ -151,11 +151,11 @@ config POWER9_CPU config E5500_CPU bool "Freescale e5500" - depends on E500 + depends on PPC64 && E500 config E6500_CPU bool "Freescale e6500" - depends on E500 + depends on PPC64 && E500 config 860_CPU bool "8xx family" @@ -174,11 +174,23 @@ config G4_CPU depends on PPC_BOOK3S_32 select ALTIVEC +config E500_CPU + bool "e500 (8540)" + depends on PPC_85xx && !PPC_E500MC + +config E500MC_CPU + bool "e500mc" + depends on PPC_85xx && PPC_E500MC + +config TOOLCHAIN_DEFAULT_CPU + bool "Rely on the toolchain's implicit default CPU" + depends on PPC32 + endchoice config TARGET_CPU_BOOL bool - default !GENERIC_CPU + default !GENERIC_CPU && !TOOLCHAIN_DEFAULT_CPU config TARGET_CPU string @@ -193,6 +205,9 @@ config TARGET_CPU default "e300c2" if E300C2_CPU default "e300c3" if E300C3_CPU default "G4" if G4_CPU + default "8540" if E500_CPU + default "e500mc" if E500MC_CPU + default "powerpc" if POWERPC_CPU config PPC_BOOK3S def_bool y diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 57c4e0e86c88..ba33140e671d 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -226,6 +226,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg) if (!prop) { dev_dbg(&dev->dev, "axon_msi: no msi-address-(32|64) properties found\n"); + of_node_put(dn); return -ENOENT; } diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 2dd452a047cd..99e688498a9c 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -671,6 +671,7 @@ spufs_init_isolated_loader(void) return; loader = of_get_property(dn, "loader", &size); + of_node_put(dn); if (!loader) return; diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c index d39a9213a3e6..7dd2e2f97aae 100644 --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c @@ -144,7 +144,7 @@ static struct irq_domain * __init flipper_pic_init(struct device_node *np) } io_base = ioremap(res.start, resource_size(&res)); - pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + pr_info("controller at 0x%pa mapped to 0x%p\n", &res.start, io_base); __flipper_quiesce(io_base); diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index de10c13de15c..c6b492ebb766 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -173,7 +173,7 @@ static struct irq_domain *hlwd_pic_init(struct device_node *np) return NULL; } - pr_info("controller at 0x%08x mapped to 0x%p\n", res.start, io_base); + pr_info("controller at 0x%pa mapped to 0x%p\n", &res.start, io_base); __hlwd_quiesce(io_base); diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c index f514d5d28cd4..3f3821eb4c36 100644 --- a/arch/powerpc/platforms/embedded6xx/linkstation.c +++ b/arch/powerpc/platforms/embedded6xx/linkstation.c @@ -97,9 +97,6 @@ static void __init linkstation_init_IRQ(void) mpic_init(mpic); } -extern void avr_uart_configure(void); -extern void avr_uart_send(const char); - static void __noreturn linkstation_restart(char *cmd) { local_irq_disable(); diff --git a/arch/powerpc/platforms/embedded6xx/mpc10x.h b/arch/powerpc/platforms/embedded6xx/mpc10x.h index 5ad12023e562..ebc258fa4858 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc10x.h +++ b/arch/powerpc/platforms/embedded6xx/mpc10x.h @@ -156,4 +156,7 @@ int mpc10x_disable_store_gathering(struct pci_controller *hose); /* For MPC107 boards that use the built-in openpic */ void mpc10x_set_openpic(void); +void avr_uart_configure(void); +void avr_uart_send(const char c); + #endif /* __PPC_KERNEL_MPC10X_H */ diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c index 67e48b0a164e..c691453dfd3f 100644 --- a/arch/powerpc/platforms/embedded6xx/wii.c +++ b/arch/powerpc/platforms/embedded6xx/wii.c @@ -89,8 +89,8 @@ static void __iomem *wii_ioremap_hw_regs(char *name, char *compatible) hw_regs = ioremap(res.start, resource_size(&res)); if (hw_regs) { - pr_info("%s at 0x%08x mapped to 0x%p\n", name, - res.start, hw_regs); + pr_info("%s at 0x%pa mapped to 0x%p\n", name, + &res.start, hw_regs); } out_put: diff --git a/arch/powerpc/platforms/powermac/cache.S b/arch/powerpc/platforms/powermac/cache.S index da69e0fcb4f1..9b85b030cbeb 100644 --- a/arch/powerpc/platforms/powermac/cache.S +++ b/arch/powerpc/platforms/powermac/cache.S @@ -48,7 +48,7 @@ flush_disable_75x: /* Stop DST streams */ BEGIN_FTR_SECTION - DSSALL + PPC_DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) @@ -196,7 +196,7 @@ flush_disable_745x: isync /* Stop prefetch streams */ - DSSALL + PPC_DSSALL sync /* Disable L2 prefetching */ diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index f95fbdee6efe..d2900689d642 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -660,13 +660,13 @@ static void smp_core99_gpio_tb_freeze(int freeze) #endif /* !CONFIG_PPC64 */ -/* L2 and L3 cache settings to pass from CPU0 to CPU1 on G4 cpus */ -volatile static long int core99_l2_cache; -volatile static long int core99_l3_cache; - static void core99_init_caches(int cpu) { #ifndef CONFIG_PPC64 + /* L2 and L3 cache settings to pass from CPU0 to CPU1 on G4 cpus */ + static long int core99_l2_cache; + static long int core99_l3_cache; + if (!cpu_has_feature(CPU_FTR_L2CR)) return; diff --git a/arch/powerpc/platforms/powernv/opal-fadump.c b/arch/powerpc/platforms/powernv/opal-fadump.c index d361d37d975f..f5cea068f0bd 100644 --- a/arch/powerpc/platforms/powernv/opal-fadump.c +++ b/arch/powerpc/platforms/powernv/opal-fadump.c @@ -60,7 +60,7 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node) addr = be64_to_cpu(addr); pr_debug("Kernel metadata addr: %llx\n", addr); opal_fdm_active = (void *)addr; - if (opal_fdm_active->registered_regions == 0) + if (be16_to_cpu(opal_fdm_active->registered_regions) == 0) return; ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_BOOT_MEM, &addr); @@ -95,17 +95,17 @@ static int opal_fadump_unregister(struct fw_dump *fadump_conf); static void opal_fadump_update_config(struct fw_dump *fadump_conf, const struct opal_fadump_mem_struct *fdm) { - pr_debug("Boot memory regions count: %d\n", fdm->region_cnt); + pr_debug("Boot memory regions count: %d\n", be16_to_cpu(fdm->region_cnt)); /* * The destination address of the first boot memory region is the * destination address of boot memory regions. */ - fadump_conf->boot_mem_dest_addr = fdm->rgn[0].dest; + fadump_conf->boot_mem_dest_addr = be64_to_cpu(fdm->rgn[0].dest); pr_debug("Destination address of boot memory regions: %#016llx\n", fadump_conf->boot_mem_dest_addr); - fadump_conf->fadumphdr_addr = fdm->fadumphdr_addr; + fadump_conf->fadumphdr_addr = be64_to_cpu(fdm->fadumphdr_addr); } /* @@ -126,9 +126,9 @@ static void opal_fadump_get_config(struct fw_dump *fadump_conf, fadump_conf->boot_memory_size = 0; pr_debug("Boot memory regions:\n"); - for (i = 0; i < fdm->region_cnt; i++) { - base = fdm->rgn[i].src; - size = fdm->rgn[i].size; + for (i = 0; i < be16_to_cpu(fdm->region_cnt); i++) { + base = be64_to_cpu(fdm->rgn[i].src); + size = be64_to_cpu(fdm->rgn[i].size); pr_debug("\t[%03d] base: 0x%lx, size: 0x%lx\n", i, base, size); fadump_conf->boot_mem_addr[i] = base; @@ -143,7 +143,7 @@ static void opal_fadump_get_config(struct fw_dump *fadump_conf, * Start address of reserve dump area (permanent reservation) for * re-registering FADump after dump capture. */ - fadump_conf->reserve_dump_area_start = fdm->rgn[0].dest; + fadump_conf->reserve_dump_area_start = be64_to_cpu(fdm->rgn[0].dest); /* * Rarely, but it can so happen that system crashes before all @@ -155,13 +155,14 @@ static void opal_fadump_get_config(struct fw_dump *fadump_conf, * Hope the memory that could not be preserved only has pages * that are usually filtered out while saving the vmcore. */ - if (fdm->region_cnt > fdm->registered_regions) { + if (be16_to_cpu(fdm->region_cnt) > be16_to_cpu(fdm->registered_regions)) { pr_warn("Not all memory regions were saved!!!\n"); pr_warn(" Unsaved memory regions:\n"); - i = fdm->registered_regions; - while (i < fdm->region_cnt) { + i = be16_to_cpu(fdm->registered_regions); + while (i < be16_to_cpu(fdm->region_cnt)) { pr_warn("\t[%03d] base: 0x%llx, size: 0x%llx\n", - i, fdm->rgn[i].src, fdm->rgn[i].size); + i, be64_to_cpu(fdm->rgn[i].src), + be64_to_cpu(fdm->rgn[i].size)); i++; } @@ -170,7 +171,7 @@ static void opal_fadump_get_config(struct fw_dump *fadump_conf, } fadump_conf->boot_mem_top = (fadump_conf->boot_memory_size + hole_size); - fadump_conf->boot_mem_regs_cnt = fdm->region_cnt; + fadump_conf->boot_mem_regs_cnt = be16_to_cpu(fdm->region_cnt); opal_fadump_update_config(fadump_conf, fdm); } @@ -178,35 +179,38 @@ static void opal_fadump_get_config(struct fw_dump *fadump_conf, static void opal_fadump_init_metadata(struct opal_fadump_mem_struct *fdm) { fdm->version = OPAL_FADUMP_VERSION; - fdm->region_cnt = 0; - fdm->registered_regions = 0; - fdm->fadumphdr_addr = 0; + fdm->region_cnt = cpu_to_be16(0); + fdm->registered_regions = cpu_to_be16(0); + fdm->fadumphdr_addr = cpu_to_be64(0); } static u64 opal_fadump_init_mem_struct(struct fw_dump *fadump_conf) { u64 addr = fadump_conf->reserve_dump_area_start; + u16 reg_cnt; int i; opal_fdm = __va(fadump_conf->kernel_metadata); opal_fadump_init_metadata(opal_fdm); /* Boot memory regions */ + reg_cnt = be16_to_cpu(opal_fdm->region_cnt); for (i = 0; i < fadump_conf->boot_mem_regs_cnt; i++) { - opal_fdm->rgn[i].src = fadump_conf->boot_mem_addr[i]; - opal_fdm->rgn[i].dest = addr; - opal_fdm->rgn[i].size = fadump_conf->boot_mem_sz[i]; + opal_fdm->rgn[i].src = cpu_to_be64(fadump_conf->boot_mem_addr[i]); + opal_fdm->rgn[i].dest = cpu_to_be64(addr); + opal_fdm->rgn[i].size = cpu_to_be64(fadump_conf->boot_mem_sz[i]); - opal_fdm->region_cnt++; + reg_cnt++; addr += fadump_conf->boot_mem_sz[i]; } + opal_fdm->region_cnt = cpu_to_be16(reg_cnt); /* * Kernel metadata is passed to f/w and retrieved in capture kerenl. * So, use it to save fadump header address instead of calculating it. */ - opal_fdm->fadumphdr_addr = (opal_fdm->rgn[0].dest + - fadump_conf->boot_memory_size); + opal_fdm->fadumphdr_addr = cpu_to_be64(be64_to_cpu(opal_fdm->rgn[0].dest) + + fadump_conf->boot_memory_size); opal_fadump_update_config(fadump_conf, opal_fdm); @@ -269,18 +273,21 @@ static u64 opal_fadump_get_bootmem_min(void) static int opal_fadump_register(struct fw_dump *fadump_conf) { s64 rc = OPAL_PARAMETER; + u16 registered_regs; int i, err = -EIO; - for (i = 0; i < opal_fdm->region_cnt; i++) { + registered_regs = be16_to_cpu(opal_fdm->registered_regions); + for (i = 0; i < be16_to_cpu(opal_fdm->region_cnt); i++) { rc = opal_mpipl_update(OPAL_MPIPL_ADD_RANGE, - opal_fdm->rgn[i].src, - opal_fdm->rgn[i].dest, - opal_fdm->rgn[i].size); + be64_to_cpu(opal_fdm->rgn[i].src), + be64_to_cpu(opal_fdm->rgn[i].dest), + be64_to_cpu(opal_fdm->rgn[i].size)); if (rc != OPAL_SUCCESS) break; - opal_fdm->registered_regions++; + registered_regs++; } + opal_fdm->registered_regions = cpu_to_be16(registered_regs); switch (rc) { case OPAL_SUCCESS: @@ -291,7 +298,8 @@ static int opal_fadump_register(struct fw_dump *fadump_conf) case OPAL_RESOURCE: /* If MAX regions limit in f/w is hit, warn and proceed. */ pr_warn("%d regions could not be registered for MPIPL as MAX limit is reached!\n", - (opal_fdm->region_cnt - opal_fdm->registered_regions)); + (be16_to_cpu(opal_fdm->region_cnt) - + be16_to_cpu(opal_fdm->registered_regions))); fadump_conf->dump_registered = 1; err = 0; break; @@ -312,7 +320,7 @@ static int opal_fadump_register(struct fw_dump *fadump_conf) * If some regions were registered before OPAL_MPIPL_ADD_RANGE * OPAL call failed, unregister all regions. */ - if ((err < 0) && (opal_fdm->registered_regions > 0)) + if ((err < 0) && (be16_to_cpu(opal_fdm->registered_regions) > 0)) opal_fadump_unregister(fadump_conf); return err; @@ -328,7 +336,7 @@ static int opal_fadump_unregister(struct fw_dump *fadump_conf) return -EIO; } - opal_fdm->registered_regions = 0; + opal_fdm->registered_regions = cpu_to_be16(0); fadump_conf->dump_registered = 0; return 0; } @@ -563,19 +571,20 @@ static void opal_fadump_region_show(struct fw_dump *fadump_conf, else fdm_ptr = opal_fdm; - for (i = 0; i < fdm_ptr->region_cnt; i++) { + for (i = 0; i < be16_to_cpu(fdm_ptr->region_cnt); i++) { /* * Only regions that are registered for MPIPL * would have dump data. */ if ((fadump_conf->dump_active) && - (i < fdm_ptr->registered_regions)) - dumped_bytes = fdm_ptr->rgn[i].size; + (i < be16_to_cpu(fdm_ptr->registered_regions))) + dumped_bytes = be64_to_cpu(fdm_ptr->rgn[i].size); seq_printf(m, "DUMP: Src: %#016llx, Dest: %#016llx, ", - fdm_ptr->rgn[i].src, fdm_ptr->rgn[i].dest); + be64_to_cpu(fdm_ptr->rgn[i].src), + be64_to_cpu(fdm_ptr->rgn[i].dest)); seq_printf(m, "Size: %#llx, Dumped: %#llx bytes\n", - fdm_ptr->rgn[i].size, dumped_bytes); + be64_to_cpu(fdm_ptr->rgn[i].size), dumped_bytes); } /* Dump is active. Show reserved area start address. */ @@ -624,6 +633,7 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node) { const __be32 *prop; unsigned long dn; + __be64 be_addr; u64 addr = 0; int i, len; s64 ret; @@ -680,13 +690,13 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node) if (!prop) return; - ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_KERNEL, &addr); - if ((ret != OPAL_SUCCESS) || !addr) { + ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_KERNEL, &be_addr); + if ((ret != OPAL_SUCCESS) || !be_addr) { pr_err("Failed to get Kernel metadata (%lld)\n", ret); return; } - addr = be64_to_cpu(addr); + addr = be64_to_cpu(be_addr); pr_debug("Kernel metadata addr: %llx\n", addr); opal_fdm_active = __va(addr); @@ -697,14 +707,14 @@ void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node) } /* Kernel regions not registered with f/w for MPIPL */ - if (opal_fdm_active->registered_regions == 0) { + if (be16_to_cpu(opal_fdm_active->registered_regions) == 0) { opal_fdm_active = NULL; return; } - ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_CPU, &addr); - if (addr) { - addr = be64_to_cpu(addr); + ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_CPU, &be_addr); + if (be_addr) { + addr = be64_to_cpu(be_addr); pr_debug("CPU metadata addr: %llx\n", addr); opal_cpu_metadata = __va(addr); } diff --git a/arch/powerpc/platforms/powernv/opal-fadump.h b/arch/powerpc/platforms/powernv/opal-fadump.h index f1e9ecf548c5..3f715efb0aa6 100644 --- a/arch/powerpc/platforms/powernv/opal-fadump.h +++ b/arch/powerpc/platforms/powernv/opal-fadump.h @@ -31,14 +31,14 @@ * OPAL FADump kernel metadata * * The address of this structure will be registered with f/w for retrieving - * and processing during crash dump. + * in the capture kernel to process the crash dump. */ struct opal_fadump_mem_struct { u8 version; u8 reserved[3]; - u16 region_cnt; /* number of regions */ - u16 registered_regions; /* Regions registered for MPIPL */ - u64 fadumphdr_addr; + __be16 region_cnt; /* number of regions */ + __be16 registered_regions; /* Regions registered for MPIPL */ + __be64 fadumphdr_addr; struct opal_mpipl_region rgn[FADUMP_MAX_MEM_REGS]; } __packed; @@ -135,7 +135,7 @@ static inline void opal_fadump_read_regs(char *bufp, unsigned int regs_cnt, for (i = 0; i < regs_cnt; i++, bufp += reg_entry_size) { reg_entry = (struct hdat_fadump_reg_entry *)bufp; val = (cpu_endian ? be64_to_cpu(reg_entry->reg_val) : - reg_entry->reg_val); + (u64)(reg_entry->reg_val)); opal_fadump_set_regval_regnum(regs, be32_to_cpu(reg_entry->reg_type), be32_to_cpu(reg_entry->reg_num), diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index c164419e254d..dcec0f760c8f 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -278,6 +278,8 @@ int __init opal_event_init(void) else name = kasprintf(GFP_KERNEL, "opal"); + if (!name) + continue; /* Install interrupt handler */ rc = request_irq(r->start, opal_interrupt, r->flags & IRQD_TRIGGER_MASK, name, NULL); diff --git a/arch/powerpc/platforms/powernv/opal-powercap.c b/arch/powerpc/platforms/powernv/opal-powercap.c index dc599e787f78..0de530b5fead 100644 --- a/arch/powerpc/platforms/powernv/opal-powercap.c +++ b/arch/powerpc/platforms/powernv/opal-powercap.c @@ -196,6 +196,12 @@ void __init opal_powercap_init(void) j = 0; pcaps[i].pg.name = kasprintf(GFP_KERNEL, "%pOFn", node); + if (!pcaps[i].pg.name) { + kfree(pcaps[i].pattrs); + kfree(pcaps[i].pg.attrs); + goto out_pcaps_pattrs; + } + if (has_min) { powercap_add_attr(min, "powercap-min", &pcaps[i].pattrs[j]); diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c index fd510d961b8c..d5814c5046ba 100644 --- a/arch/powerpc/platforms/powernv/opal-xscom.c +++ b/arch/powerpc/platforms/powernv/opal-xscom.c @@ -165,6 +165,11 @@ static int scom_debug_init_one(struct dentry *root, struct device_node *dn, ent->chip = chip; snprintf(ent->name, 16, "%08x", chip); ent->path.data = (void *)kasprintf(GFP_KERNEL, "%pOF", dn); + if (!ent->path.data) { + kfree(ent); + return -ENOMEM; + } + ent->path.size = strlen((char *)ent->path.data); dir = debugfs_create_dir(ent->name, root); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 38e90270280b..c3f968429161 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -776,6 +776,7 @@ static void opal_export_attrs(void) kobj = kobject_create_and_add("exports", opal_kobj); if (!kobj) { pr_warn("kobject_create_and_add() of exports failed\n"); + of_node_put(np); return; } diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 058223233088..df4457e743d3 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3008,7 +3008,8 @@ static void pnv_ioda_setup_pe_res(struct pnv_ioda_pe *pe, int index; int64_t rc; - if (!res || !res->flags || res->start > res->end) + if (!res || !res->flags || res->start > res->end || + res->flags & IORESOURCE_UNSET) return; if (res->flags & IORESOURCE_IO) { diff --git a/arch/powerpc/platforms/powernv/powernv.h b/arch/powerpc/platforms/powernv/powernv.h index 1aa51c4fa904..4825e4cf4410 100644 --- a/arch/powerpc/platforms/powernv/powernv.h +++ b/arch/powerpc/platforms/powernv/powernv.h @@ -35,4 +35,6 @@ ssize_t memcons_copy(struct memcons *mc, char *to, loff_t pos, size_t count); u32 memcons_get_size(struct memcons *mc); struct memcons *memcons_init(struct device_node *node, const char *mc_prop_name); +void pnv_rng_init(void); + #endif /* _POWERNV_H */ diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c index 1c31863a9be6..ace649701783 100644 --- a/arch/powerpc/platforms/powernv/rng.c +++ b/arch/powerpc/platforms/powernv/rng.c @@ -17,6 +17,7 @@ #include <asm/prom.h> #include <asm/machdep.h> #include <asm/smp.h> +#include "powernv.h" #define DARN_ERR 0xFFFFFFFFFFFFFFFFul @@ -28,7 +29,6 @@ struct powernv_rng { static DEFINE_PER_CPU(struct powernv_rng *, powernv_rng); - int powernv_hwrng_present(void) { struct powernv_rng *rng; @@ -63,6 +63,8 @@ int powernv_get_random_real_mode(unsigned long *v) struct powernv_rng *rng; rng = raw_cpu_read(powernv_rng); + if (!rng) + return 0; *v = rng_whiten(rng, __raw_rm_readq(rng->regs_real)); @@ -98,9 +100,6 @@ static int initialise_darn(void) return 0; } } - - pr_warn("Unable to use DARN for get_random_seed()\n"); - return -EIO; } @@ -163,32 +162,59 @@ static __init int rng_create(struct device_node *dn) rng_init_per_cpu(rng, dn); - pr_info_once("Registering arch random hook.\n"); - ppc_md.get_random_seed = powernv_get_random_long; return 0; } -static __init int rng_init(void) +static int __init pnv_get_random_long_early(unsigned long *v) { struct device_node *dn; - int rc; - - for_each_compatible_node(dn, NULL, "ibm,power-rng") { - rc = rng_create(dn); - if (rc) { - pr_err("Failed creating rng for %pOF (%d).\n", - dn, rc); - continue; - } - /* Create devices for hwrng driver */ - of_platform_device_create(dn, NULL, NULL); - } + if (!slab_is_available()) + return 0; + + if (cmpxchg(&ppc_md.get_random_seed, pnv_get_random_long_early, + NULL) != pnv_get_random_long_early) + return 0; - initialise_darn(); + for_each_compatible_node(dn, NULL, "ibm,power-rng") + rng_create(dn); + + if (!ppc_md.get_random_seed) + return 0; + return ppc_md.get_random_seed(v); +} + +void __init pnv_rng_init(void) +{ + struct device_node *dn; + + /* Prefer darn over the rest. */ + if (!initialise_darn()) + return; + + dn = of_find_compatible_node(NULL, NULL, "ibm,power-rng"); + if (dn) + ppc_md.get_random_seed = pnv_get_random_long_early; + + of_node_put(dn); +} + +static int __init pnv_rng_late_init(void) +{ + struct device_node *dn; + unsigned long v; + + /* In case it wasn't called during init for some other reason. */ + if (ppc_md.get_random_seed == pnv_get_random_long_early) + pnv_get_random_long_early(&v); + + if (ppc_md.get_random_seed == powernv_get_random_long) { + for_each_compatible_node(dn, NULL, "ibm,power-rng") + of_platform_device_create(dn, NULL, NULL); + } return 0; } -machine_subsys_initcall(powernv, rng_init); +machine_subsys_initcall(powernv, pnv_rng_late_init); diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index 1b7b0d0c3ebd..d9e26614d7ed 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -168,6 +168,8 @@ static void __init pnv_setup_arch(void) powersave_nap = 1; /* XXX PMCS */ + + pnv_rng_init(); } static void __init pnv_init(void) diff --git a/arch/powerpc/platforms/powernv/ultravisor.c b/arch/powerpc/platforms/powernv/ultravisor.c index e4a00ad06f9d..67c8c4b2d8b1 100644 --- a/arch/powerpc/platforms/powernv/ultravisor.c +++ b/arch/powerpc/platforms/powernv/ultravisor.c @@ -55,6 +55,7 @@ static int __init uv_init(void) return -ENODEV; uv_memcons = memcons_init(node, "memcons"); + of_node_put(node); if (!uv_memcons) return -ENOENT; diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index f364909d0c08..23dc59e40edc 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -496,7 +496,7 @@ static int dlpar_memory_remove_by_index(u32 drc_index) int lmb_found; int rc; - pr_info("Attempting to hot-remove LMB, drc index %x\n", drc_index); + pr_debug("Attempting to hot-remove LMB, drc index %x\n", drc_index); lmb_found = 0; for_each_drmem_lmb(lmb) { @@ -510,14 +510,15 @@ static int dlpar_memory_remove_by_index(u32 drc_index) } } - if (!lmb_found) + if (!lmb_found) { + pr_debug("Failed to look up LMB for drc index %x\n", drc_index); rc = -EINVAL; - - if (rc) - pr_info("Failed to hot-remove memory at %llx\n", - lmb->base_addr); - else - pr_info("Memory at %llx was hot-removed\n", lmb->base_addr); + } else if (rc) { + pr_debug("Failed to hot-remove memory at %llx\n", + lmb->base_addr); + } else { + pr_debug("Memory at %llx was hot-removed\n", lmb->base_addr); + } return rc; } @@ -770,8 +771,8 @@ static int dlpar_memory_add_by_count(u32 lmbs_to_add) if (!drmem_lmb_reserved(lmb)) continue; - pr_info("Memory at %llx (drc index %x) was hot-added\n", - lmb->base_addr, lmb->drc_index); + pr_debug("Memory at %llx (drc index %x) was hot-added\n", + lmb->base_addr, lmb->drc_index); drmem_remove_lmb_reservation(lmb); } rc = 0; diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index b91eb0929ed1..55569e3c9db7 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -450,6 +450,7 @@ static int __init ibmebus_bus_init(void) if (err) { printk(KERN_WARNING "%s: device_register returned %i\n", __func__, err); + put_device(&ibmebus_bus_device); bus_unregister(&ibmebus_bus_type); return err; diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index c93b9a3bf237..52e466d4a33c 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -522,8 +522,10 @@ static ssize_t vcpudispatch_stats_write(struct file *file, const char __user *p, if (cmd) { rc = init_cpu_associativity(); - if (rc) + if (rc) { + destroy_cpu_associativity(); goto out; + } for_each_possible_cpu(cpu) { disp = per_cpu_ptr(&vcpu_disp_data, cpu); @@ -1416,22 +1418,22 @@ static inline void __init check_lp_set_hblkrm(unsigned int lp, void __init pseries_lpar_read_hblkrm_characteristics(void) { + const s32 token = rtas_token("ibm,get-system-parameter"); unsigned char local_buffer[SPLPAR_TLB_BIC_MAXLENGTH]; int call_status, len, idx, bpsize; if (!firmware_has_feature(FW_FEATURE_BLOCK_REMOVE)) return; - spin_lock(&rtas_data_buf_lock); - memset(rtas_data_buf, 0, RTAS_DATA_BUF_SIZE); - call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, - NULL, - SPLPAR_TLB_BIC_TOKEN, - __pa(rtas_data_buf), - RTAS_DATA_BUF_SIZE); - memcpy(local_buffer, rtas_data_buf, SPLPAR_TLB_BIC_MAXLENGTH); - local_buffer[SPLPAR_TLB_BIC_MAXLENGTH - 1] = '\0'; - spin_unlock(&rtas_data_buf_lock); + do { + spin_lock(&rtas_data_buf_lock); + memset(rtas_data_buf, 0, RTAS_DATA_BUF_SIZE); + call_status = rtas_call(token, 3, 1, NULL, SPLPAR_TLB_BIC_TOKEN, + __pa(rtas_data_buf), RTAS_DATA_BUF_SIZE); + memcpy(local_buffer, rtas_data_buf, SPLPAR_TLB_BIC_MAXLENGTH); + local_buffer[SPLPAR_TLB_BIC_MAXLENGTH - 1] = '\0'; + spin_unlock(&rtas_data_buf_lock); + } while (rtas_busy_delay(call_status)); if (call_status != 0) { pr_warn("%s %s Error calling get-system-parameter (0x%x)\n", diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c index 38c306551f76..e12cf62357f2 100644 --- a/arch/powerpc/platforms/pseries/lparcfg.c +++ b/arch/powerpc/platforms/pseries/lparcfg.c @@ -289,6 +289,7 @@ static void parse_mpp_x_data(struct seq_file *m) */ static void parse_system_parameter_string(struct seq_file *m) { + const s32 token = rtas_token("ibm,get-system-parameter"); int call_status; unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL); @@ -298,16 +299,15 @@ static void parse_system_parameter_string(struct seq_file *m) return; } - spin_lock(&rtas_data_buf_lock); - memset(rtas_data_buf, 0, SPLPAR_MAXLENGTH); - call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, - NULL, - SPLPAR_CHARACTERISTICS_TOKEN, - __pa(rtas_data_buf), - RTAS_DATA_BUF_SIZE); - memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH); - local_buffer[SPLPAR_MAXLENGTH - 1] = '\0'; - spin_unlock(&rtas_data_buf_lock); + do { + spin_lock(&rtas_data_buf_lock); + memset(rtas_data_buf, 0, SPLPAR_MAXLENGTH); + call_status = rtas_call(token, 3, 1, NULL, SPLPAR_CHARACTERISTICS_TOKEN, + __pa(rtas_data_buf), RTAS_DATA_BUF_SIZE); + memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH); + local_buffer[SPLPAR_MAXLENGTH - 1] = '\0'; + spin_unlock(&rtas_data_buf_lock); + } while (rtas_busy_delay(call_status)); if (call_status != 0) { printk(KERN_INFO diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 13fa370a87e4..5fd56230b01c 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -114,4 +114,6 @@ int dlpar_workqueue_init(void); void pseries_setup_rfi_flush(void); void pseries_lpar_read_hblkrm_characteristics(void); +void pseries_rng_init(void); + #endif /* _PSERIES_PSERIES_H */ diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c index 6268545947b8..6ddfdeaace9e 100644 --- a/arch/powerpc/platforms/pseries/rng.c +++ b/arch/powerpc/platforms/pseries/rng.c @@ -10,6 +10,7 @@ #include <asm/archrandom.h> #include <asm/machdep.h> #include <asm/plpar_wrappers.h> +#include "pseries.h" static int pseries_get_random_long(unsigned long *v) @@ -24,19 +25,13 @@ static int pseries_get_random_long(unsigned long *v) return 0; } -static __init int rng_init(void) +void __init pseries_rng_init(void) { struct device_node *dn; dn = of_find_compatible_node(NULL, NULL, "ibm,random"); if (!dn) - return -ENODEV; - - pr_info("Registering arch random hook.\n"); - + return; ppc_md.get_random_seed = pseries_get_random_long; - of_node_put(dn); - return 0; } -machine_subsys_initcall(pseries, rng_init); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 16b744646ea9..d5abb25865e3 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -792,6 +792,8 @@ static void __init pSeries_setup_arch(void) if (swiotlb_force == SWIOTLB_FORCE) ppc_swiotlb_enable = 1; + + pseries_rng_init(); } static void pseries_panic(char *str) |