diff options
80 files changed, 1290 insertions, 471 deletions
diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index 96dfccc0faa8..b0198a1cf403 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -276,7 +276,7 @@ described below. Usage: optional Value type: <prop-encoded-array> Definition: A u32 value that represents the running time dynamic - power coefficient in units of mW/MHz/uV^2. The + power coefficient in units of uW/MHz/V^2. The coefficient can either be calculated from power measurements or derived by analysis. @@ -287,7 +287,7 @@ described below. Pdyn = dynamic-power-coefficient * V^2 * f - where voltage is in uV, frequency is in MHz. + where voltage is in V, frequency is in MHz. Example 1 (dual-cluster big.LITTLE system 32-bit): diff --git a/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt b/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt index 78d2db9d4de5..d28fd1af01b4 100644 --- a/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt +++ b/Documentation/devicetree/bindings/crypto/hisilicon,hip07-sec.txt @@ -24,7 +24,7 @@ Optional properties: Example: -p1_sec_a: crypto@400,d2000000 { +p1_sec_a: crypto@400d2000000 { compatible = "hisilicon,hip07-sec"; reg = <0x400 0xd0000000 0x0 0x10000 0x400 0xd2000000 0x0 0x10000 diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt index 6db8aeda461a..90c44694a30b 100644 --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt @@ -415,7 +415,7 @@ DT Overlay contains: firmware-name = "base.rbf"; fpga-bridge@4400 { - compatible = "altr,freeze-bridge"; + compatible = "altr,freeze-bridge-controller"; reg = <0x4400 0x10>; fpga_region1: fpga-region1 { @@ -427,7 +427,7 @@ DT Overlay contains: }; fpga-bridge@4420 { - compatible = "altr,freeze-bridge"; + compatible = "altr,freeze-bridge-controller"; reg = <0x4420 0x10>; fpga_region2: fpga-region2 { diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt index 11263982470e..44efafdfd7f5 100644 --- a/Documentation/devicetree/bindings/i2c/i2c.txt +++ b/Documentation/devicetree/bindings/i2c/i2c.txt @@ -84,7 +84,7 @@ Binding may contain optional "interrupts" property, describing interrupts used by the device. I2C core will assign "irq" interrupt (or the very first interrupt if not using interrupt names) as primary interrupt for the slave. -Alternatively, devices supporting SMbus Host Notify, and connected to +Alternatively, devices supporting SMBus Host Notify, and connected to adapters that support this feature, may use "host-notify" property. I2C core will create a virtual interrupt for Host Notify and assign it as primary interrupt for the slave. diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 9b62831fdf3e..148ef621a5e5 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -76,7 +76,7 @@ Deprecated properties: Also see child specific device properties: Regulator - ../regulator/arizona-regulator.txt Extcon - ../extcon/extcon-arizona.txt - Sound - ../sound/arizona.txt + Sound - ../sound/wlf,arizona.txt Example: diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt index 5e1afc3d8480..1ab1d109318e 100644 --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt @@ -5,7 +5,7 @@ Please also refer to reset.txt in this directory for common reset controller binding usage. Required properties: -- compatible: Should be "fsl,imx7-src", "syscon" +- compatible: Should be "fsl,imx7d-src", "syscon" - reg: should be register base and length as documented in the datasheet - interrupts: Should contain SRC interrupt diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 2c3fc512e746..0520303ee5b8 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -127,6 +127,7 @@ everspin Everspin Technologies, Inc. exar Exar Corporation excito Excito ezchip EZchip Semiconductor +facebook Facebook fairphone Fairphone B.V. faraday Faraday Technology Corporation fastrax Fastrax Oy diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h index 07437816e098..b36c0289a308 100644 --- a/arch/arm/boot/compressed/libfdt_env.h +++ b/arch/arm/boot/compressed/libfdt_env.h @@ -6,6 +6,8 @@ #include <linux/string.h> #include <asm/byteorder.h> +#define INT_MAX ((int)(~0U>>1)) + typedef __be16 fdt16_t; typedef __be32 fdt32_t; typedef __be64 fdt64_t; diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index ecaa68dd1af5..13bcd3b867cb 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -87,14 +87,11 @@ void __init arm_dt_init_cpu_maps(void) if (!cpus) return; - for_each_child_of_node(cpus, cpu) { + for_each_of_cpu_node(cpu) { const __be32 *cell; int prop_bytes; u32 hwid; - if (of_node_cmp(cpu->type, "cpu")) - continue; - pr_debug(" * %pOF...\n", cpu); /* * A device tree containing CPU nodes with missing "reg" diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 24ac3cab411d..60e375ce1ab2 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -94,12 +94,6 @@ static void __init parse_dt_topology(void) __cpu_capacity = kcalloc(nr_cpu_ids, sizeof(*__cpu_capacity), GFP_NOWAIT); - cn = of_find_node_by_path("/cpus"); - if (!cn) { - pr_err("No CPU information found in DT\n"); - return; - } - for_each_possible_cpu(cpu) { const u32 *rate; int len; diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c index 345af3ebcc3a..7efe95bd584f 100644 --- a/arch/arm/mach-shmobile/pm-rcar-gen2.c +++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c @@ -50,7 +50,7 @@ void __init rcar_gen2_pm_init(void) void __iomem *p; u32 bar; static int once; - struct device_node *np, *cpus; + struct device_node *np; bool has_a7 = false; bool has_a15 = false; struct resource res; @@ -59,11 +59,7 @@ void __init rcar_gen2_pm_init(void) if (once++) return; - cpus = of_find_node_by_path("/cpus"); - if (!cpus) - return; - - for_each_child_of_node(cpus, np) { + for_each_of_cpu_node(np) { if (of_device_is_compatible(np, "arm,cortex-a15")) has_a15 = true; else if (of_device_is_compatible(np, "arm,cortex-a7")) diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index e348bcfe389d..94fdeef11b81 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -202,7 +202,7 @@ static void __init get_special_pds(void) const struct of_device_id *id; /* PM domains containing CPUs */ - for_each_node_by_type(np, "cpu") + for_each_of_cpu_node(np) add_special_pd(np, PD_CPU); /* PM domain containing console */ diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c index 828e8aea037e..e48b0939693f 100644 --- a/arch/arm/mach-shmobile/timer.c +++ b/arch/arm/mach-shmobile/timer.c @@ -22,22 +22,16 @@ void __init shmobile_init_delay(void) { - struct device_node *np, *cpus; + struct device_node *np; u32 max_freq = 0; - cpus = of_find_node_by_path("/cpus"); - if (!cpus) - return; - - for_each_child_of_node(cpus, np) { + for_each_of_cpu_node(np) { u32 freq; if (!of_property_read_u32(np, "clock-frequency", &freq)) max_freq = max(max_freq, freq); } - of_node_put(cpus); - if (!max_freq) return; diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 25fcd22a4bb2..96b8f2f51ab2 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -602,7 +602,7 @@ static void __init of_parse_and_init_cpus(void) { struct device_node *dn; - for_each_node_by_type(dn, "cpu") { + for_each_of_cpu_node(dn) { u64 hwid = of_get_cpu_mpidr(dn); if (hwid == INVALID_HWID) diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c index 509c5f086496..05d96a9541b5 100644 --- a/arch/c6x/kernel/setup.c +++ b/arch/c6x/kernel/setup.c @@ -96,7 +96,7 @@ static void __init get_cpuinfo(void) unsigned long core_khz; u64 tmp; struct cpuinfo_c6x *p; - struct device_node *node, *np; + struct device_node *node; p = &per_cpu(cpu_data, smp_processor_id()); @@ -190,13 +190,8 @@ static void __init get_cpuinfo(void) p->core_id = get_coreid(); - node = of_find_node_by_name(NULL, "cpus"); - if (node) { - for_each_child_of_node(node, np) - if (!strcmp("cpu", np->name)) - ++c6x_num_cores; - of_node_put(node); - } + for_each_of_cpu_node(node) + ++c6x_num_cores; node = of_find_node_by_name(NULL, "soc"); if (node) { diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c index 96b3f26d16be..ef2f49471a2a 100644 --- a/arch/microblaze/kernel/cpu/cpuinfo.c +++ b/arch/microblaze/kernel/cpu/cpuinfo.c @@ -89,9 +89,9 @@ static struct device_node *cpu; void __init setup_cpuinfo(void) { - cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu"); + cpu = of_get_cpu_node(0, NULL); if (!cpu) - pr_err("You don't have cpu!!!\n"); + pr_err("You don't have cpu or are missing cpu reg property!!!\n"); pr_info("%s: initialising\n", __func__); @@ -117,6 +117,8 @@ void __init setup_cpuinfo(void) if (cpuinfo.mmu_privins) pr_warn("%s: Stream instructions enabled" " - USERSPACE CAN LOCK THIS KERNEL!\n", __func__); + + of_node_put(cpu); } void __init setup_cpuinfo_clk(void) diff --git a/arch/nios2/kernel/cpuinfo.c b/arch/nios2/kernel/cpuinfo.c index 93207718bb22..ccc1d2a15a0a 100644 --- a/arch/nios2/kernel/cpuinfo.c +++ b/arch/nios2/kernel/cpuinfo.c @@ -47,7 +47,7 @@ void __init setup_cpuinfo(void) const char *str; int len; - cpu = of_find_node_by_type(NULL, "cpu"); + cpu = of_get_cpu_node(0, NULL); if (!cpu) panic("%s: No CPU found in devicetree!\n", __func__); @@ -120,6 +120,8 @@ void __init setup_cpuinfo(void) cpuinfo.reset_addr = fcpu(cpu, "altr,reset-addr"); cpuinfo.exception_addr = fcpu(cpu, "altr,exception-addr"); cpuinfo.fast_tlb_miss_exc_addr = fcpu(cpu, "altr,fast-tlb-miss-addr"); + + of_node_put(cpu); } #ifdef CONFIG_PROC_FS diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c index ab88b6dd4679..54467d0085a1 100644 --- a/arch/nios2/kernel/time.c +++ b/arch/nios2/kernel/time.c @@ -214,12 +214,12 @@ static int __init nios2_timer_get_base_and_freq(struct device_node *np, { *base = of_iomap(np, 0); if (!*base) { - pr_crit("Unable to map reg for %s\n", np->name); + pr_crit("Unable to map reg for %pOFn\n", np); return -ENXIO; } if (of_property_read_u32(np, "clock-frequency", freq)) { - pr_crit("Unable to get %s clock frequency\n", np->name); + pr_crit("Unable to get %pOFn clock frequency\n", np); return -EINVAL; } diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index 9d28ab14d139..e17fcd83120f 100644 --- a/ |