diff options
Diffstat (limited to 'arch/mips')
30 files changed, 184 insertions, 692 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 033ffd0abe2..7a58ab933b2 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -61,8 +61,7 @@ config MIPS_ALCHEMY select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_APM_EMULATION - select GENERIC_GPIO - select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_REQUIRE_GPIOLIB select SYS_SUPPORTS_ZBOOT select USB_ARCH_HAS_OHCI select USB_ARCH_HAS_EHCI @@ -225,7 +224,6 @@ config MACH_JZ4740 select SYS_SUPPORTS_ZBOOT_UART16550 select DMA_NONCOHERENT select IRQ_CPU - select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB select SYS_HAS_EARLY_PRINTK select HAVE_PWM @@ -404,6 +402,8 @@ config PMC_MSP select IRQ_CPU select SERIAL_8250 select SERIAL_8250_CONSOLE + select USB_EHCI_BIG_ENDIAN_MMIO + select USB_EHCI_BIG_ENDIAN_DESC help This adds support for the PMC-Sierra family of Multi-Service Processor System-On-A-Chips. These parts include a number @@ -938,7 +938,6 @@ config CSRC_SB1250 bool config GPIO_TXX9 - select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB bool @@ -1007,9 +1006,6 @@ config GENERIC_ISA_DMA_SUPPORT_BROKEN config ISA_DMA_API bool -config GENERIC_GPIO - bool - config HOLES_IN_ZONE bool @@ -1107,7 +1103,6 @@ config SOC_PNX833X select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN - select GENERIC_GPIO select CPU_MIPSR2_IRQ_VI config SOC_PNX8335 @@ -1198,7 +1193,6 @@ config CPU_LOONGSON2F bool "Loongson 2F" depends on SYS_HAS_CPU_LOONGSON2F select CPU_LOONGSON2 - select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help The Loongson 2F processor implements the MIPS III instruction set @@ -1431,6 +1425,7 @@ config CPU_CAVIUM_OCTEON select CPU_SUPPORTS_HUGEPAGES select LIBFDT select USE_OF + select USB_EHCI_BIG_ENDIAN_MMIO help The Cavium Octeon processor is a highly integrated chip containing many ethernet hardware widgets for networking tasks. The processor @@ -1734,7 +1729,6 @@ config 32BIT config 64BIT bool "64-bit kernel" depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL - select HAVE_SYSCALL_WRAPPERS help Select this option if you want to build a 64-bit kernel. @@ -2570,7 +2564,14 @@ source "kernel/power/Kconfig" endmenu -source "arch/mips/kernel/cpufreq/Kconfig" +config MIPS_EXTERNAL_TIMER + bool + +if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER +menu "CPU Power Management" +source "drivers/cpufreq/Kconfig" +endmenu +endif source "net/Kconfig" diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c index 854e9367e23..3065bb61820 100644 --- a/arch/mips/bcm63xx/dev-spi.c +++ b/arch/mips/bcm63xx/dev-spi.c @@ -73,20 +73,9 @@ static struct platform_device bcm63xx_spi_device = { int __init bcm63xx_spi_register(void) { - struct clk *periph_clk; - if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) return -ENODEV; - periph_clk = clk_get(NULL, "periph"); - if (IS_ERR(periph_clk)) { - pr_err("unable to get periph clock\n"); - return -ENODEV; - } - - /* Set bus frequency */ - spi_pdata.speed_hz = clk_get_rate(periph_clk); - spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); spi_resources[0].end = spi_resources[0].start; spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index ef99db994c2..fe0d15d3266 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -10,6 +10,7 @@ #define __ASM_HUGETLB_H #include <asm/page.h> +#include <asm-generic/hugetlb.h> static inline int is_hugepage_only_range(struct mm_struct *mm, diff --git a/arch/mips/include/asm/linkage.h b/arch/mips/include/asm/linkage.h index e9a940d1b0c..2767dda9e30 100644 --- a/arch/mips/include/asm/linkage.h +++ b/arch/mips/include/asm/linkage.h @@ -6,5 +6,8 @@ #endif #define __weak __attribute__((weak)) +#define cond_syscall(x) asm(".weak\t" #x "\n" #x "\t=\tsys_ni_syscall") +#define SYSCALL_ALIAS(alias, name) \ + asm ( #alias " = " #name "\n\t.globl " #alias) #endif diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h index 6515da99829..c426cabc620 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h @@ -13,7 +13,6 @@ struct bcm63xx_spi_pdata { unsigned int msg_ctl_width; int bus_num; int num_chipselect; - u32 speed_hz; }; enum bcm63xx_regs_spi { diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 99fc547af9d..eab99e536b5 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -31,7 +31,7 @@ #define PAGE_SHIFT 16 #endif #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE - 1)) +#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT #define HPAGE_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3) diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index 64f661e3287..63c9c886173 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -63,12 +63,4 @@ #endif /* !__ASSEMBLY__ */ -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n" #x "\t=\tsys_ni_syscall") - #endif /* _ASM_UNISTD_H */ diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index 47132f44c95..3b211507be7 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -90,4 +90,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index cb96ace5c8c..6ad9e04bdf6 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -91,8 +91,6 @@ CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/n obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o -obj-$(CONFIG_MIPS_CPUFREQ) += cpufreq/ - obj-$(CONFIG_PERF_EVENTS) += perf_event.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o diff --git a/arch/mips/kernel/cpufreq/Kconfig b/arch/mips/kernel/cpufreq/Kconfig deleted file mode 100644 index 58c601eee6f..00000000000 --- a/arch/mips/kernel/cpufreq/Kconfig +++ /dev/null @@ -1,41 +0,0 @@ -# -# CPU Frequency scaling -# - -config MIPS_EXTERNAL_TIMER - bool - -config MIPS_CPUFREQ - bool - default y - depends on CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER - -if MIPS_CPUFREQ - -menu "CPU Frequency scaling" - -source "drivers/cpufreq/Kconfig" - -if CPU_FREQ - -comment "CPUFreq processor drivers" - -config LOONGSON2_CPUFREQ - tristate "Loongson2 CPUFreq Driver" - select CPU_FREQ_TABLE - depends on MIPS_CPUFREQ - help - This option adds a CPUFreq driver for loongson processors which - support software configurable cpu frequency. - - Loongson2F and it's successors support this feature. - - For details, take a look at <file:Documentation/cpu-freq/>. - - If in doubt, say N. - -endif # CPU_FREQ - -endmenu - -endif # MIPS_CPUFREQ diff --git a/arch/mips/kernel/cpufreq/Makefile b/arch/mips/kernel/cpufreq/Makefile deleted file mode 100644 index 05a5715ee38..00000000000 --- a/arch/mips/kernel/cpufreq/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the Linux/MIPS cpufreq. -# - -obj-$(CONFIG_LOONGSON2_CPUFREQ) += loongson2_cpufreq.o diff --git a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c deleted file mode 100644 index 3237c5235f9..00000000000 --- a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Cpufreq driver for the loongson-2 processors - * - * The 2E revision of loongson processor not support this feature. - * - * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology - * Author: Yanhua, yanh@lemote.com - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/cpufreq.h> -#include <linux/module.h> -#include <linux/err.h> -#include <linux/sched.h> /* set_cpus_allowed() */ -#include <linux/delay.h> -#include <linux/platform_device.h> - -#include <asm/clock.h> - -#include <asm/mach-loongson/loongson.h> - -static uint nowait; - -static struct clk *cpuclk; - -static void (*saved_cpu_wait) (void); - -static int loongson2_cpu_freq_notifier(struct notifier_block *nb, - unsigned long val, void *data); - -static struct notifier_block loongson2_cpufreq_notifier_block = { - .notifier_call = loongson2_cpu_freq_notifier -}; - -static int loongson2_cpu_freq_notifier(struct notifier_block *nb, - unsigned long val, void *data) -{ - if (val == CPUFREQ_POSTCHANGE) - current_cpu_data.udelay_val = loops_per_jiffy; - - return 0; -} - -static unsigned int loongson2_cpufreq_get(unsigned int cpu) -{ - return clk_get_rate(cpuclk); -} - -/* - * Here we notify other drivers of the proposed change and the final change. - */ -static int loongson2_cpufreq_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - unsigned int cpu = policy->cpu; - unsigned int newstate = 0; - cpumask_t cpus_allowed; - struct cpufreq_freqs freqs; - unsigned int freq; - - if (!cpu_online(cpu)) - return -ENODEV; - - cpus_allowed = current->cpus_allowed; - set_cpus_allowed_ptr(current, cpumask_of(cpu)); - - if (cpufreq_frequency_table_target - (policy, &loongson2_clockmod_table[0], target_freq, relation, - &newstate)) - return -EINVAL; - - freq = - ((cpu_clock_freq / 1000) * - loongson2_clockmod_table[newstate].index) / 8; - if (freq < policy->min || freq > policy->max) - return -EINVAL; - - pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000); - - freqs.cpu = cpu; - freqs.old = loongson2_cpufreq_get(cpu); - freqs.new = freq; - freqs.flags = 0; - - if (freqs.new == freqs.old) - return 0; - - /* notifiers */ - cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); - - set_cpus_allowed_ptr(current, &cpus_allowed); - - /* setting the cpu frequency */ - clk_set_rate(cpuclk, freq); - - /* notifiers */ - cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - - pr_debug("cpufreq: set frequency %u kHz\n", freq); - - return 0; -} - -static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) -{ - int i; - unsigned long rate; - int ret; - - if (!cpu_online(policy->cpu)) - return -ENODEV; - - cpuclk = clk_get(NULL, "cpu_clk"); - if (IS_ERR(cpuclk)) { - printk(KERN_ERR "cpufreq: couldn't get CPU clk\n"); - return PTR_ERR(cpuclk); - } - - rate = cpu_clock_freq / 1000; - if (!rate) { - clk_put(cpuclk); - return -EINVAL; - } - ret = clk_set_rate(cpuclk, rate); - if (ret) { - clk_put(cpuclk); - return ret; - } - - /* clock table init */ - for (i = 2; - (loongson2_clockmod_table[i].frequency != CPUFREQ_TABLE_END); - i++) - loongson2_clockmod_table[i].frequency = (rate * i) / 8; - - policy->cur = loongson2_cpufreq_get(policy->cpu); - - cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0], - policy->cpu); - - return cpufreq_frequency_table_cpuinfo(policy, - &loongson2_clockmod_table[0]); -} - -static int loongson2_cpufreq_verify(struct cpufreq_policy *policy) -{ - return cpufreq_frequency_table_verify(policy, - &loongson2_clockmod_table[0]); -} - -static int loongson2_cpufreq_exit(struct cpufreq_policy *policy) -{ - clk_put(cpuclk); - return 0; -} - -static struct freq_attr *loongson2_table_attr[] = { - &cpufreq_freq_attr_scaling_available_freqs, - NULL, -}; - -static struct cpufreq_driver loongson2_cpufreq_driver = { - .owner = THIS_MODULE, - .name = "loongson2", - .init = loongson2_cpufreq_cpu_init, - .verify = loongson2_cpufreq_verify, - .target = loongson2_cpufreq_target, - .get = loongson2_cpufreq_get, - .exit = loongson2_cpufreq_exit, - .attr = loongson2_table_attr, -}; - -static struct platform_device_id platform_device_ids[] = { - { - .name = "loongson2_cpufreq", - }, - {} -}; - -MODULE_DEVICE_TABLE(platform, platform_device_ids); - -static struct platform_driver platform_driver = { - .driver = { - .name = "loongson2_cpufreq", - .owner = THIS_MODULE, - }, - .id_table = platform_device_ids, -}; - -/* - * This is the simple version of Loongson-2 wait, Maybe we need do this in - * interrupt disabled context. - */ - -static DEFINE_SPINLOCK(loongson2_wait_lock); - -static void loongson2_cpu_wait(void) -{ - unsigned long flags; - u32 cpu_freq; - - spin_lock_irqsave(&loongson2_wait_lock, flags); - cpu_freq = LOONGSON_CHIPCFG0; - LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */ - LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */ - spin_unlock_irqrestore(&loongson2_wait_lock, flags); -} - -static int __init cpufreq_init(void) -{ - int ret; - - /* Register platform stuff */ - ret = platform_driver_register(&platform_driver); - if (ret) - return ret; - - pr_info("cpufreq: Loongson-2F CPU frequency driver.\n"); - - cpufreq_register_notifier(&loongson2_cpufreq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - - ret = cpufreq_register_driver(&loongson2_cpufreq_driver); - - if (!ret && !nowait) { - saved_cpu_wait = cpu_wait; - cpu_wait = loongson2_cpu_wait; - } - - return ret; -} - -static void __exit cpufreq_exit(void) -{ - if (!nowait && saved_cpu_wait) - cpu_wait = saved_cpu_wait; - cpufreq_unregister_driver(&loongson2_cpufreq_driver); - cpufreq_unregister_notifier(&loongson2_cpufreq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); - - platform_driver_unregister(&platform_driver); -} - -module_init(cpufreq_init); -module_exit(cpufreq_exit); - -module_param(nowait, uint, 0644); -MODULE_PARM_DESC(nowait, "Disable Loongson-2F specific wait"); - -MODULE_AUTHOR("Yanhua <yanh@lemote.com>"); -MODULE_DESCRIPTION("cpufreq driver for Loongson2F"); -MODULE_LICENSE("GPL"); diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c index 9e6440eaa45..505cb77d128 100644 --- a/arch/mips/kernel/early_printk.c +++ b/arch/mips/kernel/early_printk.c @@ -7,7 +7,9 @@ * Copyright (C) 2007 MIPS Technologies, Inc. * written by Ralf Baechle (ralf@linux-mips.org) */ +#include <linux/kernel.h> #include <linux/console.h> +#include <linux/printk.h> #include <linux/init.h> #include <asm/setup.h> @@ -24,20 +26,18 @@ static void early_console_write(struct console *con, const char *s, unsigned n) } } -static struct console early_console = { +static struct console early_console_prom = { .name = "early", .write = early_console_write, .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1 }; -static int early_console_initialized __initdata; - void __init setup_early_printk(void) { - if (early_console_initialized) + if (early_console) return; - early_console_initialized = 1; + early_console = &early_console_prom; - register_console(&early_console); + register_console(&early_console_prom); } diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index db9655f0889..d1d576b765f 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -119,99 +119,6 @@ SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf, return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); } -#ifdef CONFIG_SYSVIPC - -SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third, - unsigned long, ptr, unsigned long, fifth) -{ - int version, err; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - case SEMOP: - /* struct sembuf is the same on 32 and 64bit :)) */ - err = sys_semtimedop(first, compat_ptr(ptr), second, NULL); - break; - case SEMTIMEDOP: - err = compat_sys_semtimedop(first, compat_ptr(ptr), second, - compat_ptr(fifth)); - break; - case SEMGET: - err = sys_semget(first, second, third); - break; - case SEMCTL: - err = compat_sys_semctl(first, second, third, compat_ptr(ptr)); - break; - case MSGSND: - err = compat_sys_msgsnd(first, second, third, compat_ptr(ptr)); - break; - case MSGRCV: - err = compat_sys_msgrcv(first, second, fifth, third, - version, compat_ptr(ptr)); - break; - case MSGGET: - err = sys_msgget((key_t) first, second); - break; - case MSGCTL: - err = compat_sys_msgctl(first, second, compat_ptr(ptr)); - break; - case SHMAT: - err = compat_sys_shmat(first, second, third, version, - compat_ptr(ptr)); - break; - case SHMDT: - err = sys_shmdt(compat_ptr(ptr)); - break; - case SHMGET: - err = sys_shmget(first, (unsigned)second, third); - break; - case SHMCTL: - err = compat_sys_shmctl(first, second, compat_ptr(ptr)); - break; - default: - err = -ENOSYS; - break; - } - - return err; -} - -#else - -SYSCALL_DEFINE6(32_ipc, u32, call, int, first, int, second, int, third, - u32, ptr, u32, fifth) -{ - return -ENOSYS; -} - -#endif /* CONFIG_SYSVIPC */ - -#ifdef CONFIG_MIPS32_N32 -SYSCALL_DEFINE4(n32_semctl, int, semid, int, semnum, int, cmd, u32, arg) -{ - /* compat_sys_semctl expects a pointer to union semun */ - u32 __user *uptr = compat_alloc_user_space(sizeof(u32)); - if (put_user(arg, uptr)) - return -EFAULT; - return compat_sys_semctl(semid, semnum, cmd, uptr); -} - -SYSCALL_DEFINE4(n32_msgsnd, int, msqid, u32, msgp, unsigned int, msgsz, - int, msgflg) -{ - return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp)); -} - -SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz, - int, msgtyp, int, msgflg) -{ - return compat_sys_msgrcv(msqid, msgsz, msgtyp, msgflg, IPC_64, - compat_ptr(msgp)); -} -#endif - SYSCALL_DEFINE1(32_personality, unsigned long, personality) { unsigned int p = personality & 0xffffffff; @@ -226,26 +133,6 @@ SYSCALL_DEFINE1(32_personality, unsigned long, personality) return ret; } -SYSCALL_DEFINE4(32_sendfile, long, out_fd, long, in_fd, - compat_off_t __user *, offset, s32, count) -{ - mm_segment_t old_fs = get_fs(); - int ret; - off_t of; - - if (offset && get_user(of, offset)) - return -EFAULT; - - set_fs(KERNEL_DS); - ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, count); - set_fs(old_fs); - - if (offset && put_user(of, offset)) - return -EFAULT; - - return ret; -} - asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3, size_t count) { @@ -279,12 +166,6 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2, merge_64(len_a4, len_a5)); } -asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf, - size_t len) -{ - return sys_lookup_dcookie(merge_64(a0, a1), buf, len); -} - SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags, u64, a3, u64, a4, int, dfd, const char __user *, pathname) { diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index ef533760d2c..eb902c1f0ca 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -42,44 +42,26 @@ #include <asm/inst.h> #include <asm/stacktrace.h> -/* - * The idle thread. There's no useful work to be done, so just try to conserve - * power and have a low exit latency (ie sit in a loop waiting for somebody to - * say that they'd like to reschedule) - */ -void __noreturn cpu_idle(void) +#ifdef CONFIG_HOTPLUG_CPU +void arch_cpu_idle_dead(void) { - int cpu; - - /* CPU is going idle. */ - cpu = smp_processor_id(); + /* What the heck is this check doing ? */ + if (!cpu_isset(smp_processor_id(), cpu_callin_map)) + play_dead(); +} +#endif - /* endless idle loop with no priority at all */ - while (1) { - tick_nohz_idle_enter(); - rcu_idle_enter(); - while (!need_resched() && cpu_online(cpu)) { +void arch_cpu_idle(void) +{ #ifdef CONFIG_MIPS_MT_SMTC - extern void smtc_idle_loop_hook(void); + extern void smtc_idle_loop_hook(void); - smtc_idle_loop_hook(); + smtc_idle_loop_hook(); #endif - - if (cpu_wait) { - /* Don't trace irqs off for idle */ - stop_critical_timings(); - (*cpu_wait)(); - start_critical_timings(); - } - } -#ifdef CONFIG_HOTPLUG_CPU - if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map)) - play_dead(); -#endif - rcu_idle_exit(); - tick_nohz_idle_exit(); - schedule_preempt_disabled(); - } + if (cpu_wait) + (*cpu_wait)(); + else + local_irq_enable(); } asmlinkage void ret_from_fork(void); diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 693d60b0855..edcb6594e7b 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -143,7 +143,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_setitimer PTR sys_alarm PTR sys_getpid - PTR sys_32_sendfile + PTR compat_sys_sendfile PTR sys_socket /* 6040 */ PTR sys_connect PTR sys_accept @@ -168,11 +168,11 @@ EXPORT(sysn32_call_table) PTR sys_newuname PTR sys_semget PTR sys_semop - PTR sys_n32_semctl + PTR compat_sys_semctl PTR sys_shmdt /* 6065 */ PTR sys_msgget - PTR sys_n32_msgsnd - PTR sys_n32_msgrcv + PTR compat_sys_msgsnd + PTR compat_sys_msgrcv PTR compat_sys_msgctl PTR compat_sys_fcntl /* 6070 */ PTR sys_flock diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index af8887f779f..103bfe570fe 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -309,7 +309,7 @@ sys_call_table: PTR compat_sys_wait4 PTR sys_swapoff /* 4115 */ PTR compat_sys_sysinfo - PTR sys_32_ipc + PTR compat_sys_ipc PTR sys_fsync PTR sys32_sigreturn PTR __sys_clone /* 4120 */ @@ -399,7 +399,7 @@ sys_call_table: PTR sys_capget PTR sys_capset /* 4205 */ PTR compat_sys_sigaltstack - PTR sys_32_sendfile + PTR compat_sys_sendfile PTR sys_ni_syscall PTR sys_ni_syscall PTR sys_mips_mmap2 /* 4210 */ @@ -439,7 +439,7 @@ sys_call_table: PTR compat_sys_io_submit PTR sys_io_cancel /* 4245 */ PTR sys_exit_group - PTR sys32_lookup_dcookie + PTR compat_sys_lookup_dcookie PTR sys_epoll_create PTR sys_epoll_ctl PTR sys_epoll_wait /* 4250 */ diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 596620dd7ee..c17619fe18e 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -140,7 +140,7 @@ asmlinkage __cpuinit void start_secondary(void) WARN_ON_ONCE(!irqs_disabled()); mp_ops->smp_finish(); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* diff --git a/arch/mips/kernel/smtc-proc.c b/arch/mips/kernel/smtc-proc.c index aee7c8177b5..c10aa84c9fa 100644 --- a/arch/mips/kernel/smtc-proc.c +++ b/arch/mips/kernel/smtc-proc.c @@ -16,6 +16,7 @@ #include <asm/mipsregs.h> #include <asm/cacheflush.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <asm/smtc_proc.h> @@ -30,51 +31,39 @@ unsigned long selfipis[NR_CPUS]; struct smtc_cpu_proc smtc_cpu_stats[NR_CPUS]; -static struct proc_dir_entry *smtc_stats; - atomic_t smtc_fpu_recoveries; -static int proc_read_smtc(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int smtc_proc_show(struct seq_file *m, void *v) { - int totalen = 0; - int len; int i; extern unsigned long ebase; - len = sprintf(page, "SMTC Status Word: 0x%08x\n", smtc_status); - totalen += len; - page += len; - len = sprintf(page, "Config7: 0x%08x\n", read_c0_config7()); - totalen += len; - page += len; - len = sprintf(page, "EBASE: 0x%08lx\n", ebase); - totalen += len; - page += len; - len = sprintf(page, "Counter Interrupts taken per CPU (TC)\n"); - totalen += len; - page += len; - for (i=0; i < NR_CPUS; i++) { - len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].timerints); - totalen += len; - page += len; - } - len = sprintf(page, "Self-IPIs by CPU:\n"); - totalen += len; - page += len; - for(i = 0; i < NR_CPUS; i++) { - len = sprintf(page, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis); - totalen += len; - page += len; - } - len = sprintf(page, "%d Recoveries of \"stolen\" FPU\n", - atomic_read(&smtc_fpu_recoveries)); - totalen += len; - page += len; + seq_printf(m, "SMTC Status Word: 0x%08x\n", smtc_status); + seq_printf(m, "Config7: 0x%08x\n", read_c0_config7()); + seq_printf(m, "EBASE: 0x%08lx\n", ebase); + seq_printf(m, "Counter Interrupts taken per CPU (TC)\n"); + for (i=0; i < NR_CPUS; i++) + seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].timerints); + seq_printf(m, "Self-IPIs by CPU:\n"); + for(i = 0; i < NR_CPUS; i++) + seq_printf(m, "%d: %ld\n", i, smtc_cpu_stats[i].selfipis); + seq_printf(m, "%d Recoveries of \"stolen\" FPU\n", + atomic_read(&smtc_fpu_recoveries)); + return 0; +} - return totalen; +static int smtc_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, smtc_proc_show, NULL); } +static const struct file_operations smtc_proc_fops = { + .open = smtc_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void init_smtc_stats(void) { int i; @@ -86,6 +75,5 @@ void init_smtc_stats(void) atomic_set(&smtc_fpu_recoveries, 0); - smtc_stats = create_proc_read_entry("smtc", 0444, NULL, - proc_read_smtc, NULL); + proc_create("smtc", 0444, NULL, &smtc_proc_fops); } diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 3c906e723fd..77cff1f6d05 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -202,19 +202,6 @@ void show_stack(struct task_struct *task, unsigned long *sp) show_stacktrace(task, ®s); } -/* - * The architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - struct pt_regs regs; - - prepare_frametrace(®s); - show_backtrace(current, ®s); -} - -EXPORT_SYMBOL(dump_stack); - static void show_code(unsigned int __user *pc) { long i; @@ -240,7 +227,7 @@ static void __show_regs(const struct pt_regs *regs) unsigned int cause = regs->cp0_cause; int i; - printk("Cpu %d\n", smp_processor_id()); + show_regs_print_info(KERN_DEFAULT); /* * Saved main processor registers diff --git a/arch/mips/kvm/kvm_mips.c b/arch/mips/kvm/kvm_mips.c index 2e60b1c7819..e0dad028979 100644 --- a/arch/mips/kvm/kvm_mips.c +++ b/arch/mips/kvm/kvm_mips.c @@ -209,17 +209,17 @@ int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages) } int kvm_arch_prepare_memory_region(struct kvm *kvm, - struct kvm_memory_slot *memslot, - struct kvm_memory_slot old, - struct kvm_userspace_memory_region *mem, - bool user_alloc) + struct kvm_memory_slot *memslot, + struct kvm_userspace_memory_region *mem, + enum kvm_mr_change change) { return 0; } void kvm_arch_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, - struct kvm_memory_slot old, bool user_alloc) + struct kvm_userspace_memory_region *mem, + const struct kvm_memory_slot *old, + enum kvm_mr_change change) { unsigned long npages = 0; int i, err = 0; diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c index c592bc8b8c9..638c5db122c 100644 --- a/arch/mips/lasat/picvue_proc.c +++ b/arch/mips/lasat/picvue_proc.c @@ -58,13 +58,13 @@ static int pvc_line_proc_show(struct seq_file *m, void *v) static int pvc_line_proc_open(struct inode *inode, struct file *file) { - return single_open(file, pvc_line_proc_show, PDE(inode)->data); + return single_open(file, pvc_line_proc_show, PDE_DATA(inode)); } static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf, size_t count, loff_t *pos) { - int lineno = *(int *)PDE(file_inode(file))->data; + int lineno = *(int *)PDE_DATA(file_inode(file)); char kbuf[PVC_LINELEN]; size_t len; diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile index e526488df65..4c57b3e5743 100644 --- a/arch/mips/loongson/common/Makefile +++ b/arch/mips/loongson/common/Makefile @@ -4,7 +4,7 @@ obj-y += setup.o init.o cmdline.o env.o time.o reset.o irq.o \ pci.o bonito-irq.o mem.o machtype.o platform.o -obj-$(CONFIG_GENERIC_GPIO) += gpio.o +obj-$(CONFIG_GPIOLIB) += gpio.o # # Serial port support diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 67929251286..9b973e0af9c 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -29,6 +29,7 @@ #include <linux/pfn.h> #include <linux/hardirq.h> #include <linux/gfp.h> +#include <linux/kcore.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -77,10 +78,9 @@ EXPORT_SYMBOL_GPL(empty_zero_page); /* * Not static inline because used by IP27 special magic initialization code */ -unsigned long setup_zero_pages(void) +void setup_zero_pages(void) { - unsigned int order; - unsigned long size; + unsigned int order, i; struct page *page; if (cpu_has_vce) @@ -94,15 +94,10 @@ unsigned long setup_zero_pages(void) page = virt_to_page((void *)empty_zero_page); split_page(page, order); - while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) { - SetPageReserved(page); - page++; - } - - size = PAGE_SIZE << order; - zero_page_mask = (size - 1) & PAGE_MASK; + for (i = 0; i < (1 << order); i++, page++) + mark_page_reserved(page); - return 1UL << order; + zero_page_mask = ((PAGE_SIZE << order) - 1) & PAGE_MASK; } #ifdef CONFIG_MIPS_MT_SMTC @@ -380,7 +375,7 @@ void __init mem_init(void) high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); totalram_pages += free_all_bootmem(); - totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */ + setup_zero_pages(); /* Setup zeroed pages. */ reservedpages = ram = 0; for (tmp = 0; tmp < max_low_pfn; tmp++) @@ -399,12 +394,8 @@ void __init mem_init(void) SetPageReserved(page); continue; } - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - totalhigh_pages++; + free_highmem_page(page); } - totalram_pages += totalhigh_pages; num_physpages += totalhigh_pages; #endif @@ -440,11 +431,8 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end) struct page *page = pfn_to_page(pfn); void *addr = phys_to_virt(PFN_PHYS(pfn)); - ClearPageReserved(page); - init_page_count(page); memset(addr, POISON_FREE_INITMEM, PAGE_SIZE); - __free_page(page); - totalram_pages++; + free_reserved_page(page); } printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10); } @@ -452,18 +440,14 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_init_pages("initrd memory", - virt_to_phys((void *)start), - virt_to_phys((void *)end)); + free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); } #endif void __init_refok free_initmem(void) { prom_free_prom_memory(); - free_init_pages("unused kernel memory", - __pa_symbol(&__init_begin), - __pa_symbol(&__init_end)); + free_initmem_default(POISON_FREE_INITMEM); } #ifndef CONFIG_MIPS_PGD_C0_CONTEXT diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index d0b6f8399b0..3d27800edba 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -53,56 +53,51 @@ static void pci_proc_init(void); /***************************************************************************** * - * FUNCTION: read_msp_pci_counts + * FUNCTION: show_msp_pci_counts * _________________________________________________________________________ * * DESCRIPTION: Prints the count of how many times each PCI * interrupt has asserted. Can be invoked by the * /proc filesystem. * - * INPUTS: page - part of STDOUT calculation - * off - part of STDOUT calculation - * count - part of STDOUT calculation - * data - unused + * INPUTS: m - synthetic file construction data + * v - iterator * - * OUTPUTS: start - new start location - * eof - end of file pointer - * - * RETURNS: len - STDOUT length + * RETURNS: 0 or error * ****************************************************************************/ -static int read_msp_pci_counts(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int show_msp_pci_counts(struct seq_file *m, void *v) { int i; - int len = 0; unsigned int intcount, total = 0; for (i = 0; i < 32; ++i) { intcount = pci_int_count[i]; if (intcount != 0) { - len += sprintf(page + len, "[%d] = %u\n", i, intcount); + seq_printf(m, "[%d] = %u\n", i, intcount); total += intcount; } } - len += sprintf(page + len, "total = %u\n", total); - if (len <= off+count) - *eof = 1; - - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; + seq_printf(m, "total = %u\n", total); + return 0; +} - return len; +static int msp_pci_rd_cnt_open(struct inode *inode, struct file *file) +{ + return single_open(file, show_msp_pci_counts, NULL); } +static const struct file_operations msp_pci_rd_cnt_fops = { + .open = msp_pci_rd_cnt_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /***************************************************************************** * - * FUNCTION: gen_pci_cfg_wr + * FUNCTION: gen_pci_cfg_wr_show * _________________________________________________________________________ * * DESCRIPTION: Generates a configuration write cycle for debug purposes. @@ -112,37 +107,30 @@ static int read_msp_pci_counts(char *page, char **start, off_t off, * PCI bus. Intent is that this function by invocable from * the /proc filesystem. * - * INPUTS: page - part of STDOUT calculation - * off - part of STDOUT calculation - * count - part of STDOUT calculation - * data - unused + * INPUTS: m - synthetic file construction data + * v - iterator * - * OUTPUTS: start - new start location - * eof - end of file pointer - * - * RETURNS: len - STDOUT length + * RETURNS: 0 or error * ****************************************************************************/ -static int gen_pci_cfg_wr(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int gen_pci_cfg_wr_show(struct seq_file *m, void *v) { unsigned char where = 0; /* Write to static Device/Vendor ID */ unsigned char bus_num = 0; /* Bus 0 */ unsigned char dev_fn = 0xF; /* Arbitrary device number */ u32 wr_data = 0xFF00AA00; /* Arbitrary data */ struct msp_pci_regs *preg = (void *)PCI_BASE_REG; - int len = 0; unsigned long value; int intr; - len += sprintf(page + len, "PMC MSP PCI: Beginning\n"); + seq_puts(m, "PMC MSP PCI: Beginning\n"); if (proc_init == 0) { pci_proc_init(); proc_init = ~0; } - len += sprintf(page + len, "PMC MSP PCI: Before Cfg Wr\n"); + seq_puts(m, "PMC MSP PCI: Before Cfg Wr\n"); /* * Generate PCI Configuration Write Cycle @@ -168,21 +156,22 @@ static int gen_pci_cfg_wr(char *page, char **start, off_t off, */ intr = preg->if_status; - len += sprintf(page + len, "PMC MSP PCI: After Cfg Wr\n"); - - /* Handle STDOUT calculations */ - if (len <= off+count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; + seq_puts(m, "PMC MSP PCI: After Cfg Wr\n"); + return 0; +} - return len; +static int gen_pci_cfg_wr_open(struct inode *inode, struct file *file) +{ + return single_open(file, gen_pci_cfg_wr_show, NULL); } +static const struct file_operations gen_pci_cfg_wr_fops = { + .open = gen_pci_cfg_wr_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /***************************************************************************** * * FUNCTION: pci_proc_init @@ -199,10 +188,8 @@ static int gen_pci_cfg_wr(char *page, char **start, off_t off, ****************************************************************************/ static void pci_proc_init(void) { - create_proc_read_entry("pmc_msp_pci_rd_cnt", 0, NULL, - read_msp_pci_counts, NULL); - create_proc_read_entry("pmc_msp_pci_cfg_wr", 0, NULL, - gen_pci_cfg_wr, NULL); + proc_create("pmc_msp_pci_rd_cnt", 0, NULL, &msp_pci_rd_cnt_fops); + proc_create("pmc_msp_pci_cfg_wr", 0, NULL, &gen_pci_cfg_wr_fops); } #endif /* CONFIG_PROC_FS && PCI_COUNTERS */ diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 0872f12f268..594e60d6a43 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_controller *hose) pci_bus_assign_resources(bus); pci_enable_bridges(bus); } - bus->dev.of_node = hose->of_node; } } @@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node) } } } + +struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) +{ + struct pci_controller *hose = bus->sysdata; + + return of_node_get(hose->of_node); +} #endif static DEFINE_MUTEX(pci_scan_mutex); diff --git a/arch/mips/ralink/dts/rt3052_eval.dts b/arch/mips/ralink/dts/rt3052_eval.dts index df17f5fb999..c18c9a84f4c 100644 --- a/arch/mips/ralink/dts/rt3052_eval.dts +++ b/arch/mips/ralink/dts/rt3052_eval.dts @@ -1,6 +1,6 @@ /dts-v1/; -/include/ "rt3050.dtsi" +#include "rt3050.dtsi" / { compatible = "ralink,rt3052-eval-board", "ralink,rt3052-soc"; diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 64d8dab06b0..1230f56429d 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -457,7 +457,7 @@ void __init prom_free_prom_memory(void) /* We got nothing to free here ... */ } -extern unsigned long setup_zero_pages(void); +extern void setup_zero_pages(void); void __init paging_init(void) { @@ -492,7 +492,7 @@ void __init mem_init(void) totalram_pages += free_all_bootmem_node(NODE_DATA(node)); } - totalram_pages -= setup_zero_pages(); /* This comes from node 0 */ + setup_zero_pages(); /* This comes from node 0 */ codesize = (unsigned long) &_etext - (unsigned long) &_text; datasize = (unsigned long) &_edata - (unsigned long) &_etext; diff --git a/arch/mips/sibyte/sb1250/bus_watcher.c b/arch/mips/sibyte/sb1250/bus_watcher.c index e651105b3f0..8871e3345bf 100644 --- a/arch/mips/sibyte/sb1250/bus_watcher.c +++ b/arch/mips/sibyte/sb1250/bus_watcher.c @@ -30,6 +30,7 @@ #include <linux/interrupt.h> #include <linux/sched.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <asm/io.h> #include <asm/sibyte/sb1250.h> @@ -99,63 +100,60 @@ void check_bus_watcher(void) printk("Bus watcher indicates no error\n"); } -static int bw_print_buffer(char *page, struct bw_stats_struct *stats) +#ifdef CONFIG_PROC_FS + +/* For simplicity, I want to assume a single read is required each + time */ +static int bw_proc_show(struct seq_file *m, void *v) { - int len; - - len = sprintf(page, "SiByte Bus Watcher statistics\n"); - len += sprintf(page+len, "-----------------------------\n"); - len += sprintf(page+len, "L2-d-cor %8ld\nL2-d-bad %8ld\n", - stats->l2_cor_d, stats->l2_bad_d); - len += sprintf(page+len, "L2-t-cor %8ld\nL2-t-bad %8ld\n", - stats->l2_cor_t, stats->l2_bad_t); - len += sprintf(page+len, "MC-d-cor %8ld\nMC-d-bad %8ld\n", - stats->mem_cor_d, stats->mem_bad_d); - len += sprintf(page+len, "IO-err %8ld\n", stats->bus_error); - len += sprintf(page+len, "\nLast recorded signature:\n"); - len += sprintf(page+len, "Request %02x from %d, answered by %d with Dcode %d\n", - (unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f), - (int)(G_SCD_BERR_TID(stats->status) >> 6), - (int)G_SCD_BERR_RID(stats->status), - (int)G_SCD_BERR_DCODE(stats->status)); + struct bw_stats_struct *stats = m->private; + + seq_puts(m, "SiByte Bus Watcher statistics\n"); + seq_puts(m, "-----------------------------\n"); + seq_printf(m, "L2-d-cor %8ld\nL2-d-bad %8ld\n", + stats->l2_cor_d, stats->l2_bad_d); + seq_printf(m, "L2-t-cor %8ld\nL2-t-bad %8ld\n", + stats->l2_cor_t, stats->l2_bad_t); + seq_printf(m, "MC-d-cor %8ld\nMC-d-bad %8ld\n", + stats->mem_cor_d, stats->mem_bad_d); + seq_printf(m, "IO-err %8ld\n", stats->bus_error); + seq_puts(m, "\nLast recorded signature:\n"); + seq_printf(m, "Request %02x from %d, answered by %d with Dcode %d\n", + (unsigned int)(G_SCD_BERR_TID(stats->status) & 0x3f), + (int)(G_SCD_BERR_TID(stats->status) >> 6), + (int)G_SCD_BERR_RID(stats->status), + (int)G_SCD_BERR_DCODE(stats->status)); /* XXXKW indicate multiple errors between printings, or stats collection (or both)? */ if (stats->status & M_SCD_BERR_MULTERRS) - len += sprintf(page+len, "Multiple errors observed since last check.\n"); + seq_puts(m, "Multiple errors observed since last check.\n"); if (stats->status_printed) { - len += sprintf(page+len, "(no change since last printing)\n"); + seq_puts(m, "(no change since last printing)\n"); } else { stats->status_printed = 1; } - return len; + return 0; } -#ifdef CONFIG_PROC_FS - -/* For simplicity, I want to assume a single read is required each - time */ -static int bw_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int bw_proc_open(struct inode *inode, struct file *file) { - int len; - - if (off == 0) { - len = bw_print_buffer(page, data); - *start = page; - } else { - len = 0; - *eof = 1; - } - return len; + return single_open(file, bw_proc_show, PDE_DATA(inode)); } +static const struct file_operations bw_proc_fops = { + .open = bw_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static void create_proc_decoder(struct bw_stats_struct *stats) { struct proc_dir_entry *ent; - ent = create_proc_read_entry("bus_watcher", S_IWUSR | S_IRUGO, NULL, - bw_read_proc, stats); + ent = proc_create_data("bus_watcher", S_IWUSR | S_IRUGO, NULL, + &bw_proc_fops, stats); if (!ent) { printk(KERN_INFO "Unable to initialize bus_watcher /proc entry\n"); return; @@ -210,11 +208,6 @@ static irqreturn_t sibyte_bw_int(int irq, void *data) stats->bus_error += G_SCD_MEM_BUSERR(cntr); csr_out32(0, IOADDR(A_BUS_MEM_IO_ERRORS)); -#ifndef CONFIG_PROC_FS - bw_print_buffer(bw_buf, stats); - printk(bw_buf); -#endif - return IRQ_HANDLED; } diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 5524f2c7b05..5364aabc210 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -118,7 +118,7 @@ EXPORT_SYMBOL(clk_put); /* GPIO support */ -#ifdef CONFIG_GENERIC_GPIO +#ifdef CONFIG_GPIOLIB int gpio_to_irq(unsigned gpio) { return -EINVAL; |