diff options
Diffstat (limited to 'arch/tile/kernel')
| -rw-r--r-- | arch/tile/kernel/irq.c | 16 | ||||
| -rw-r--r-- | arch/tile/kernel/machine_kexec.c | 6 | ||||
| -rw-r--r-- | arch/tile/kernel/pci-dma.c | 1 | ||||
| -rw-r--r-- | arch/tile/kernel/pci.c | 27 | ||||
| -rw-r--r-- | arch/tile/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/tile/kernel/sysfs.c | 62 |
6 files changed, 53 insertions, 65 deletions
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index aa0134db2dd6..02e628065012 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -152,14 +152,13 @@ void tile_dev_intr(struct pt_regs *regs, int intnum) * Remove an irq from the disabled mask. If we're in an interrupt * context, defer enabling the HW interrupt until we leave. */ -void enable_percpu_irq(unsigned int irq) +static void tile_irq_chip_enable(struct irq_data *d) { - get_cpu_var(irq_disable_mask) &= ~(1UL << irq); + get_cpu_var(irq_disable_mask) &= ~(1UL << d->irq); if (__get_cpu_var(irq_depth) == 0) - unmask_irqs(1UL << irq); + unmask_irqs(1UL << d->irq); put_cpu_var(irq_disable_mask); } -EXPORT_SYMBOL(enable_percpu_irq); /* * Add an irq to the disabled mask. We disable the HW interrupt @@ -167,13 +166,12 @@ EXPORT_SYMBOL(enable_percpu_irq); * in an interrupt context, the return path is careful to avoid * unmasking a newly disabled interrupt. */ -void disable_percpu_irq(unsigned int irq) +static void tile_irq_chip_disable(struct irq_data *d) { - get_cpu_var(irq_disable_mask) |= (1UL << irq); - mask_irqs(1UL << irq); + get_cpu_var(irq_disable_mask) |= (1UL << d->irq); + mask_irqs(1UL << d->irq); put_cpu_var(irq_disable_mask); } -EXPORT_SYMBOL(disable_percpu_irq); /* Mask an interrupt. */ static void tile_irq_chip_mask(struct irq_data *d) @@ -209,6 +207,8 @@ static void tile_irq_chip_eoi(struct irq_data *d) static struct irq_chip tile_irq_chip = { .name = "tile_irq_chip", + .irq_enable = tile_irq_chip_enable, + .irq_disable = tile_irq_chip_disable, .irq_ack = tile_irq_chip_ack, .irq_eoi = tile_irq_chip_eoi, .irq_mask = tile_irq_chip_mask, diff --git a/arch/tile/kernel/machine_kexec.c b/arch/tile/kernel/machine_kexec.c index e00d7179989e..6255f2eab112 100644 --- a/arch/tile/kernel/machine_kexec.c +++ b/arch/tile/kernel/machine_kexec.c @@ -248,11 +248,11 @@ static void setup_quasi_va_is_pa(void) } -NORET_TYPE void machine_kexec(struct kimage *image) +void machine_kexec(struct kimage *image) { void *reboot_code_buffer; - NORET_TYPE void (*rnk)(unsigned long, void *, unsigned long) - ATTRIB_NORET; + void (*rnk)(unsigned long, void *, unsigned long) + __noreturn; /* Mask all interrupts before starting to reboot. */ interrupt_mask_set_mask(~0ULL); diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c index 658f2ce426a4..b3ed19f8779c 100644 --- a/arch/tile/kernel/pci-dma.c +++ b/arch/tile/kernel/pci-dma.c @@ -15,6 +15,7 @@ #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/vmalloc.h> +#include <linux/export.h> #include <asm/tlbflush.h> #include <asm/homecache.h> diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c index 2a8014cb1ff5..a1bb59eecc18 100644 --- a/arch/tile/kernel/pci.c +++ b/arch/tile/kernel/pci.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/uaccess.h> +#include <linux/export.h> #include <asm/processor.h> #include <asm/sections.h> @@ -394,6 +395,11 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) /* Nothing needs to be done. */ } +void pcibios_set_master(struct pci_dev *dev) +{ + /* No special bus mastering setup handling. */ +} + /* * This can be called from the generic PCI layer, but doesn't need to * do anything. @@ -465,27 +471,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return 0; } -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) -{ - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); - unsigned long flags = pci_resource_flags(dev, bar); - - if (!len) - return NULL; - if (max && len > max) - len = max; - - if (!(flags & IORESOURCE_MEM)) { - pr_info("PCI: Trying to map invalid resource %#lx\n", flags); - start = 0; - } - - return (void __iomem *)start; -} -EXPORT_SYMBOL(pci_iomap); - - /**************************************************************** * * Tile PCI config space read/write routines diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 9c45d8bbdf57..4c1ac6e5347a 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -85,7 +85,8 @@ void cpu_idle(void) /* endless idle loop with no priority at all */ while (1) { - tick_nohz_stop_sched_tick(1); + tick_nohz_idle_enter(); + rcu_idle_enter(); while (!need_resched()) { if (cpu_is_offline(cpu)) BUG(); /* no HOTPLUG_CPU */ @@ -105,7 +106,8 @@ void cpu_idle(void) local_irq_enable(); current_thread_info()->status |= TS_POLLING; } - tick_nohz_restart_sched_tick(); + rcu_idle_exit(); + tick_nohz_idle_exit(); preempt_enable_no_resched(); schedule(); preempt_disable(); diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c index b671a86f4515..f862b005eb73 100644 --- a/arch/tile/kernel/sysfs.c +++ b/arch/tile/kernel/sysfs.c @@ -14,10 +14,11 @@ * /sys entry support. */ -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/cpu.h> #include <linux/slab.h> #include <linux/smp.h> +#include <linux/stat.h> #include <hv/hypervisor.h> /* Return a string queried from the hypervisor, truncated to page size. */ @@ -31,55 +32,55 @@ static ssize_t get_hv_confstr(char *page, int query) return n; } -static ssize_t chip_width_show(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t chip_width_show(struct device *dev, + struct device_attribute *attr, char *page) { return sprintf(page, "%u\n", smp_width); } -static SYSDEV_CLASS_ATTR(chip_width, 0444, chip_width_show, NULL); +static DEVICE_ATTR(chip_width, 0444, chip_width_show, NULL); -static ssize_t chip_height_show(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t chip_height_show(struct device *dev, + struct device_attribute *attr, char *page) { return sprintf(page, "%u\n", smp_height); } -static SYSDEV_CLASS_ATTR(chip_height, 0444, chip_height_show, NULL); +static DEVICE_ATTR(chip_height, 0444, chip_height_show, NULL); -static ssize_t chip_serial_show(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t chip_serial_show(struct device *dev, + struct device_attribute *attr, char *page) { return get_hv_confstr(page, HV_CONFSTR_CHIP_SERIAL_NUM); } -static SYSDEV_CLASS_ATTR(chip_serial, 0444, chip_serial_show, NULL); +static DEVICE_ATTR(chip_serial, 0444, chip_serial_show, NULL); -static ssize_t chip_revision_show(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t chip_revision_show(struct device *dev, + struct device_attribute *attr, char *page) { return get_hv_confstr(page, HV_CONFSTR_CHIP_REV); } -static SYSDEV_CLASS_ATTR(chip_revision, 0444, chip_revision_show, NULL); +static DEVICE_ATTR(chip_revision, 0444, chip_revision_show, NULL); -static ssize_t type_show(struct sysdev_class *dev, - struct sysdev_class_attribute *attr, +static ssize_t type_show(struct device *dev, + struct device_attribute *attr, char *page) { return sprintf(page, "tilera\n"); } -static SYSDEV_CLASS_ATTR(type, 0444, type_show, NULL); +static DEVICE_ATTR(type, 0444, type_show, NULL); #define HV_CONF_ATTR(name, conf) \ - static ssize_t name ## _show(struct sysdev_class *dev, \ - struct sysdev_class_attribute *attr, \ + static ssize_t name ## _show(struct device *dev, \ + struct device_attribute *attr, \ char *page) \ { \ return get_hv_confstr(page, conf); \ } \ - static SYSDEV_CLASS_ATTR(name, 0444, name ## _show, NULL); + static DEVICE_ATTR(name, 0444, name ## _show, NULL); HV_CONF_ATTR(version, HV_CONFSTR_HV_SW_VER) HV_CONF_ATTR(config_version, HV_CONFSTR_HV_CONFIG_VER) @@ -95,15 +96,15 @@ HV_CONF_ATTR(mezz_description, HV_CONFSTR_MEZZ_DESC) HV_CONF_ATTR(switch_control, HV_CONFSTR_SWITCH_CONTROL) static struct attribute *board_attrs[] = { - &attr_board_part.attr, - &attr_board_serial.attr, - &attr_board_revision.attr, - &attr_board_description.attr, - &attr_mezz_part.attr, - &attr_mezz_serial.attr, - &attr_mezz_revision.attr, - &attr_mezz_description.attr, - &attr_switch_control.attr, + &dev_attr_board_part.attr, + &dev_attr_board_serial.attr, + &dev_attr_board_revision.attr, + &dev_attr_board_description.attr, + &dev_attr_mezz_part.attr, + &dev_attr_mezz_serial.attr, + &dev_attr_mezz_revision.attr, + &dev_attr_mezz_description.attr, + &dev_attr_switch_control.attr, NULL }; @@ -150,12 +151,11 @@ hvconfig_bin_read(struct file *filp, struct kobject *kobj, static int __init create_sysfs_entries(void) { - struct sysdev_class *cls = &cpu_sysdev_class; int err = 0; #define create_cpu_attr(name) \ if (!err) \ - err = sysfs_create_file(&cls->kset.kobj, &attr_##name.attr); + err = device_create_file(cpu_subsys.dev_root, &dev_attr_##name); create_cpu_attr(chip_width); create_cpu_attr(chip_height); create_cpu_attr(chip_serial); @@ -163,7 +163,7 @@ static int __init create_sysfs_entries(void) #define create_hv_attr(name) \ if (!err) \ - err = sysfs_create_file(hypervisor_kobj, &attr_##name.attr); + err = sysfs_create_file(hypervisor_kobj, &dev_attr_##name); create_hv_attr(type); create_hv_attr(version); create_hv_attr(config_version); |