diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 3 | ||||
| -rw-r--r-- | arch/mips/Kconfig.debug | 9 | ||||
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-irq.c | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-jz4740/dma.h | 56 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-jz4740/platform.h | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/pgtable.h | 4 | ||||
| -rw-r--r-- | arch/mips/jz4740/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/jz4740/board-qi_lb60.c | 1 | ||||
| -rw-r--r-- | arch/mips/jz4740/clock.c | 2 | ||||
| -rw-r--r-- | arch/mips/jz4740/dma.c | 287 | ||||
| -rw-r--r-- | arch/mips/jz4740/platform.c | 21 | ||||
| -rw-r--r-- | arch/mips/kernel/crash_dump.c | 10 | ||||
| -rw-r--r-- | arch/mips/kernel/mips-mt-fpaff.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/scall32-o32.S | 5 | ||||
| -rw-r--r-- | arch/mips/loongson/lemote-2f/clock.c | 3 | ||||
| -rw-r--r-- | arch/mips/mm/init.c | 62 | ||||
| -rw-r--r-- | arch/mips/pci/pci-bcm1480.c | 4 | ||||
| -rw-r--r-- | arch/mips/pci/pci-lantiq.c | 2 | ||||
| -rw-r--r-- | arch/mips/pci/pci-sb1250.c | 4 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-memory.c | 33 |
20 files changed, 67 insertions, 448 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 7a58ab933b20..beeff436b22f 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -42,6 +42,7 @@ config MIPS select MODULES_USE_ELF_REL if MODULES select MODULES_USE_ELF_RELA if MODULES && 64BIT select CLONE_BACKWARDS + select HAVE_DEBUG_STACKOVERFLOW menu "Machine selection" @@ -962,7 +963,7 @@ config SYS_HAS_EARLY_PRINTK config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" - depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU + depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU help Say Y here to allow turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 5a43aa0798ca..37871f0de15e 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -67,15 +67,6 @@ config CMDLINE_OVERRIDE Normally, you will choose 'N' here. -config DEBUG_STACKOVERFLOW - bool "Check for stack overflows" - depends on DEBUG_KERNEL - help - This option will cause messages to be printed if free stack space - drops below a certain limit(2GB on MIPS). The debugging option - provides another way to check stack overflow happened on kernel mode - stack usually caused by nested interruption. - config SMTC_IDLE_HOOK_DEBUG bool "Enable additional debug checks before going into CPU idle loop" depends on DEBUG_KERNEL && MIPS_MT_SMTC diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index a22f06a6f7ca..7181def6037a 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -607,7 +607,7 @@ static void octeon_irq_ciu_gpio_ack(struct irq_data *data) static void octeon_irq_handle_gpio(unsigned int irq, struct irq_desc *desc) { - if (irqd_get_trigger_type(irq_desc_get_irq_data(desc)) & IRQ_TYPE_EDGE_BOTH) + if (irq_get_trigger_type(irq) & IRQ_TYPE_EDGE_BOTH) handle_edge_irq(irq, desc); else handle_level_irq(irq, desc); diff --git a/arch/mips/include/asm/mach-jz4740/dma.h b/arch/mips/include/asm/mach-jz4740/dma.h index 98b4e7c0dbae..509cd5828044 100644 --- a/arch/mips/include/asm/mach-jz4740/dma.h +++ b/arch/mips/include/asm/mach-jz4740/dma.h @@ -16,8 +16,6 @@ #ifndef __ASM_MACH_JZ4740_DMA_H__ #define __ASM_MACH_JZ4740_DMA_H__ -struct jz4740_dma_chan; - enum jz4740_dma_request_type { JZ4740_DMA_TYPE_AUTO_REQUEST = 8, JZ4740_DMA_TYPE_UART_TRANSMIT = 20, @@ -33,58 +31,4 @@ enum jz4740_dma_request_type { JZ4740_DMA_TYPE_SLCD = 30, }; -enum jz4740_dma_width { - JZ4740_DMA_WIDTH_32BIT = 0, - JZ4740_DMA_WIDTH_8BIT = 1, - JZ4740_DMA_WIDTH_16BIT = 2, -}; - -enum jz4740_dma_transfer_size { - JZ4740_DMA_TRANSFER_SIZE_4BYTE = 0, - JZ4740_DMA_TRANSFER_SIZE_1BYTE = 1, - JZ4740_DMA_TRANSFER_SIZE_2BYTE = 2, - JZ4740_DMA_TRANSFER_SIZE_16BYTE = 3, - JZ4740_DMA_TRANSFER_SIZE_32BYTE = 4, -}; - -enum jz4740_dma_flags { - JZ4740_DMA_SRC_AUTOINC = 0x2, - JZ4740_DMA_DST_AUTOINC = 0x1, -}; - -enum jz4740_dma_mode { - JZ4740_DMA_MODE_SINGLE = 0, - JZ4740_DMA_MODE_BLOCK = 1, -}; - -struct jz4740_dma_config { - enum jz4740_dma_width src_width; - enum jz4740_dma_width dst_width; - enum jz4740_dma_transfer_size transfer_size; - enum jz4740_dma_request_type request_type; - enum jz4740_dma_flags flags; - enum jz4740_dma_mode mode; -}; - -typedef void (*jz4740_dma_complete_callback_t)(struct jz4740_dma_chan *, int, void *); - -struct jz4740_dma_chan *jz4740_dma_request(void *dev, const char *name); -void jz4740_dma_free(struct jz4740_dma_chan *dma); - -void jz4740_dma_configure(struct jz4740_dma_chan *dma, - const struct jz4740_dma_config *config); - - -void jz4740_dma_enable(struct jz4740_dma_chan *dma); -void jz4740_dma_disable(struct jz4740_dma_chan *dma); - -void jz4740_dma_set_src_addr(struct jz4740_dma_chan *dma, dma_addr_t src); -void jz4740_dma_set_dst_addr(struct jz4740_dma_chan *dma, dma_addr_t dst); -void jz4740_dma_set_transfer_count(struct jz4740_dma_chan *dma, uint32_t count); - -uint32_t jz4740_dma_get_residue(const struct jz4740_dma_chan *dma); - -void jz4740_dma_set_complete_cb(struct jz4740_dma_chan *dma, - jz4740_dma_complete_callback_t cb); - #endif /* __ASM_JZ4740_DMA_H__ */ diff --git a/arch/mips/include/asm/mach-jz4740/platform.h b/arch/mips/include/asm/mach-jz4740/platform.h index 72cfebdb5a47..05988c2d6565 100644 --- a/arch/mips/include/asm/mach-jz4740/platform.h +++ b/arch/mips/include/asm/mach-jz4740/platform.h @@ -32,6 +32,7 @@ extern struct platform_device jz4740_codec_device; extern struct platform_device jz4740_adc_device; extern struct platform_device jz4740_wdt_device; extern struct platform_device jz4740_pwm_device; +extern struct platform_device jz4740_dma_device; void jz4740_serial_device_register(void); diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 8b8f6b393363..008324d1c261 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -394,9 +394,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, phys_t phys_addr_high = fixup_bigphys_addr(pfn << PAGE_SHIFT, size); return remap_pfn_range(vma, vaddr, phys_addr_high >> PAGE_SHIFT, size, prot); } -#else -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) +#define io_remap_pfn_range io_remap_pfn_range #endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile index 63bad0e491d0..28e5535dfa9e 100644 --- a/arch/mips/jz4740/Makefile +++ b/arch/mips/jz4740/Makefile @@ -4,7 +4,7 @@ # Object file lists. -obj-y += prom.o irq.o time.o reset.o setup.o dma.o \ +obj-y += prom.o irq.o time.o reset.o setup.o \ gpio.o clock.o platform.o timer.o serial.o obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c index be2b3deeef1d..8a5ec0eedeb0 100644 --- a/arch/mips/jz4740/board-qi_lb60.c +++ b/arch/mips/jz4740/board-qi_lb60.c @@ -438,6 +438,7 @@ static struct platform_device *jz_platform_devices[] __initdata = { &jz4740_rtc_device, &jz4740_adc_device, &jz4740_pwm_device, + &jz4740_dma_device, &qi_lb60_gpio_keys, &qi_lb60_pwm_beeper, &qi_lb60_charger_device, diff --git a/arch/mips/jz4740/clock.c b/arch/mips/jz4740/clock.c index 484d38a0864f..1b5f55426cad 100644 --- a/arch/mips/jz4740/clock.c +++ b/arch/mips/jz4740/clock.c @@ -687,7 +687,7 @@ static struct clk jz4740_clock_simple_clks[] = { [3] = { .name = "dma", .parent = &jz_clk_high_speed_peripheral.clk, - .gate_bit = JZ_CLOCK_GATE_UART0, + .gate_bit = JZ_CLOCK_GATE_DMAC, .ops = &jz_clk_simple_ops, }, [4] = { diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c deleted file mode 100644 index 317ec6fffb12..000000000000 --- a/arch/mips/jz4740/dma.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> - * JZ4740 SoC DMA support - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> - -#include <linux/dma-mapping.h> -#include <asm/mach-jz4740/dma.h> -#include <asm/mach-jz4740/base.h> - -#define JZ_REG_DMA_SRC_ADDR(x) (0x00 + (x) * 0x20) -#define JZ_REG_DMA_DST_ADDR(x) (0x04 + (x) * 0x20) -#define JZ_REG_DMA_TRANSFER_COUNT(x) (0x08 + (x) * 0x20) -#define JZ_REG_DMA_REQ_TYPE(x) (0x0C + (x) * 0x20) -#define JZ_REG_DMA_STATUS_CTRL(x) (0x10 + (x) * 0x20) -#define JZ_REG_DMA_CMD(x) (0x14 + (x) * 0x20) -#define JZ_REG_DMA_DESC_ADDR(x) (0x18 + (x) * 0x20) - -#define JZ_REG_DMA_CTRL 0x300 -#define JZ_REG_DMA_IRQ 0x304 -#define JZ_REG_DMA_DOORBELL 0x308 -#define JZ_REG_DMA_DOORBELL_SET 0x30C - -#define JZ_DMA_STATUS_CTRL_NO_DESC BIT(31) -#define JZ_DMA_STATUS_CTRL_DESC_INV BIT(6) -#define JZ_DMA_STATUS_CTRL_ADDR_ERR BIT(4) -#define JZ_DMA_STATUS_CTRL_TRANSFER_DONE BIT(3) -#define JZ_DMA_STATUS_CTRL_HALT BIT(2) -#define JZ_DMA_STATUS_CTRL_COUNT_TERMINATE BIT(1) -#define JZ_DMA_STATUS_CTRL_ENABLE BIT(0) - -#define JZ_DMA_CMD_SRC_INC BIT(23) -#define JZ_DMA_CMD_DST_INC BIT(22) -#define JZ_DMA_CMD_RDIL_MASK (0xf << 16) -#define JZ_DMA_CMD_SRC_WIDTH_MASK (0x3 << 14) -#define JZ_DMA_CMD_DST_WIDTH_MASK (0x3 << 12) -#define JZ_DMA_CMD_INTERVAL_LENGTH_MASK (0x7 << 8) -#define JZ_DMA_CMD_BLOCK_MODE BIT(7) -#define JZ_DMA_CMD_DESC_VALID BIT(4) -#define JZ_DMA_CMD_DESC_VALID_MODE BIT(3) -#define JZ_DMA_CMD_VALID_IRQ_ENABLE BIT(2) -#define JZ_DMA_CMD_TRANSFER_IRQ_ENABLE BIT(1) -#define JZ_DMA_CMD_LINK_ENABLE BIT(0) - -#define JZ_DMA_CMD_FLAGS_OFFSET 22 -#define JZ_DMA_CMD_RDIL_OFFSET 16 -#define JZ_DMA_CMD_SRC_WIDTH_OFFSET 14 -#define JZ_DMA_CMD_DST_WIDTH_OFFSET 12 -#define JZ_DMA_CMD_TRANSFER_SIZE_OFFSET 8 -#define JZ_DMA_CMD_MODE_OFFSET 7 - -#define JZ_DMA_CTRL_PRIORITY_MASK (0x3 << 8) -#define JZ_DMA_CTRL_HALT BIT(3) -#define JZ_DMA_CTRL_ADDRESS_ERROR BIT(2) -#define JZ_DMA_CTRL_ENABLE BIT(0) - - -static void __iomem *jz4740_dma_base; -static spinlock_t jz4740_dma_lock; - -static inline uint32_t jz4740_dma_read(size_t reg) -{ - return readl(jz4740_dma_base + reg); -} - -static inline void jz4740_dma_write(size_t reg, uint32_t val) -{ - writel(val, jz4740_dma_base + reg); -} - -static inline void jz4740_dma_write_mask(size_t reg, uint32_t val, uint32_t mask) -{ - uint32_t val2; - val2 = jz4740_dma_read(reg); - val2 &= ~mask; - val2 |= val; - jz4740_dma_write(reg, val2); -} - -struct jz4740_dma_chan { - unsigned int id; - void *dev; - const char *name; - - enum jz4740_dma_flags flags; - uint32_t transfer_shift; - - jz4740_dma_complete_callback_t complete_cb; - - unsigned used:1; -}; - -#define JZ4740_DMA_CHANNEL(_id) { .id = _id } - -struct jz4740_dma_chan jz4740_dma_channels[] = { - JZ4740_DMA_CHANNEL(0), - JZ4740_DMA_CHANNEL(1), - JZ4740_DMA_CHANNEL(2), - JZ4740_DMA_CHANNEL(3), - JZ4740_DMA_CHANNEL(4), - JZ4740_DMA_CHANNEL(5), -}; - -struct jz4740_dma_chan *jz4740_dma_request(void *dev, const char *name) -{ - unsigned int i; - struct jz4740_dma_chan *dma = NULL; - - spin_lock(&jz4740_dma_lock); - - for (i = 0; i < ARRAY_SIZE(jz4740_dma_channels); ++i) { - if (!jz4740_dma_channels[i].used) { - dma = &jz4740_dma_channels[i]; - dma->used = 1; - break; - } - } - - spin_unlock(&jz4740_dma_lock); - - if (!dma) - return NULL; - - dma->dev = dev; - dma->name = name; - - return dma; -} -EXPORT_SYMBOL_GPL(jz4740_dma_request); - -void jz4740_dma_configure(struct jz4740_dma_chan *dma, - const struct jz4740_dma_config *config) -{ - uint32_t cmd; - - switch (config->transfer_size) { - case JZ4740_DMA_TRANSFER_SIZE_2BYTE: - dma->transfer_shift = 1; - break; - case JZ4740_DMA_TRANSFER_SIZE_4BYTE: - dma->transfer_shift = 2; - break; - case JZ4740_DMA_TRANSFER_SIZE_16BYTE: - dma->transfer_shift = 4; - break; - case JZ4740_DMA_TRANSFER_SIZE_32BYTE: - dma->transfer_shift = 5; - break; - default: - dma->transfer_shift = 0; - break; - } - - cmd = config->flags << JZ_DMA_CMD_FLAGS_OFFSET; - cmd |= config->src_width << JZ_DMA_CMD_SRC_WIDTH_OFFSET; - cmd |= config->dst_width << JZ_DMA_CMD_DST_WIDTH_OFFSET; - cmd |= config->transfer_size << JZ_DMA_CMD_TRANSFER_SIZE_OFFSET; - cmd |= config->mode << JZ_DMA_CMD_MODE_OFFSET; - cmd |= JZ_DMA_CMD_TRANSFER_IRQ_ENABLE; - - jz4740_dma_write(JZ_REG_DMA_CMD(dma->id), cmd); - jz4740_dma_write(JZ_REG_DMA_STATUS_CTRL(dma->id), 0); - jz4740_dma_write(JZ_REG_DMA_REQ_TYPE(dma->id), config->request_type); -} -EXPORT_SYMBOL_GPL(jz4740_dma_configure); - -void jz4740_dma_set_src_addr(struct jz4740_dma_chan *dma, dma_addr_t src) -{ - jz4740_dma_write(JZ_REG_DMA_SRC_ADDR(dma->id), src); -} -EXPORT_SYMBOL_GPL(jz4740_dma_set_src_addr); - -void jz4740_dma_set_dst_addr(struct jz4740_dma_chan *dma, dma_addr_t dst) -{ - jz4740_dma_write(JZ_REG_DMA_DST_ADDR(dma->id), dst); -} -EXPORT_SYMBOL_GPL(jz4740_dma_set_dst_addr); - -void jz4740_dma_set_transfer_count(struct jz4740_dma_chan *dma, uint32_t count) -{ - count >>= dma->transfer_shift; - jz4740_dma_write(JZ_REG_DMA_TRANSFER_COUNT(dma->id), count); -} -EXPORT_SYMBOL_GPL(jz4740_dma_set_transfer_count); - -void jz4740_dma_set_complete_cb(struct jz4740_dma_chan *dma, - jz4740_dma_complete_callback_t cb) -{ - dma->complete_cb = cb; -} -EXPORT_SYMBOL_GPL(jz4740_dma_set_complete_cb); - -void jz4740_dma_free(struct jz4740_dma_chan *dma) -{ - dma->dev = NULL; - dma->complete_cb = NULL; - dma->used = 0; -} -EXPORT_SYMBOL_GPL(jz4740_dma_free); - -void jz4740_dma_enable(struct jz4740_dma_chan *dma) -{ - jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), - JZ_DMA_STATUS_CTRL_NO_DESC | JZ_DMA_STATUS_CTRL_ENABLE, - JZ_DMA_STATUS_CTRL_HALT | JZ_DMA_STATUS_CTRL_NO_DESC | - JZ_DMA_STATUS_CTRL_ENABLE); - - jz4740_dma_write_mask(JZ_REG_DMA_CTRL, - JZ_DMA_CTRL_ENABLE, - JZ_DMA_CTRL_HALT | JZ_DMA_CTRL_ENABLE); -} -EXPORT_SYMBOL_GPL(jz4740_dma_enable); - -void jz4740_dma_disable(struct jz4740_dma_chan *dma) -{ - jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), 0, - JZ_DMA_STATUS_CTRL_ENABLE); -} -EXPORT_SYMBOL_GPL(jz4740_dma_disable); - -uint32_t jz4740_dma_get_residue(const struct jz4740_dma_chan *dma) -{ - uint32_t residue; - residue = jz4740_dma_read(JZ_REG_DMA_TRANSFER_COUNT(dma->id)); - return residue << dma->transfer_shift; -} -EXPORT_SYMBOL_GPL(jz4740_dma_get_residue); - -static void jz4740_dma_chan_irq(struct jz4740_dma_chan *dma) -{ - (void) jz4740_dma_read(JZ_REG_DMA_STATUS_CTRL(dma->id)); - - jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), 0, - JZ_DMA_STATUS_CTRL_ENABLE | JZ_DMA_STATUS_CTRL_TRANSFER_DONE); - - if (dma->complete_cb) - dma->complete_cb(dma, 0, dma->dev); -} - -static irqreturn_t jz4740_dma_irq(int irq, void *dev_id) -{ - uint32_t irq_status; - unsigned int i; - - irq_status = readl(jz4740_dma_base + JZ_REG_DMA_IRQ); - - for (i = 0; i < 6; ++i) { - if (irq_status & (1 << i)) - jz4740_dma_chan_irq(&jz4740_dma_channels[i]); - } - - return IRQ_HANDLED; -} - -static int jz4740_dma_init(void) -{ - unsigned int ret; - - jz4740_dma_base = ioremap(JZ4740_DMAC_BASE_ADDR, 0x400); - - if (!jz4740_dma_base) - return -EBUSY; - - spin_lock_init(&jz4740_dma_lock); - - ret = request_irq(JZ4740_IRQ_DMAC, jz4740_dma_irq, 0, "DMA", NULL); - - if (ret) - printk(KERN_ERR "JZ4740 DMA: Failed to request irq: %d\n", ret); - - return ret; -} -arch_initcall(jz4740_dma_init); diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c index e9348fd26a35..df65677f3d0b 100644 --- a/arch/mips/jz4740/platform.c +++ b/arch/mips/jz4740/platform.c @@ -329,3 +329,24 @@ struct platform_device jz4740_pwm_device = { .name = "jz4740-pwm", .id = -1, }; + +/* DMA */ +static struct resource jz4740_dma_resources[] = { + { + .start = JZ4740_DMAC_BASE_ADDR, + .end = JZ4740_DMAC_BASE_ADDR + 0x400 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_DMAC, + .end = JZ4740_IRQ_DMAC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device jz4740_dma_device = { + .name = "jz4740-dma", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_dma_resources), + .resource = jz4740_dma_resources, +}; diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c index 3be9e7bb30ff..f291cf99b03a 100644 --- a/arch/mips/kernel/crash_dump.c +++ b/arch/mips/kernel/crash_dump.c @@ -4,16 +4,6 @@ #include <asm/uaccess.h> #include <linux/slab.h> -static int __init parse_savemaxmem(char *p) -{ - if (p) - saved_max_pfn = (memparse(p, &p) >> PAGE_SHIFT) - 1; - - return 1; -} -__setup("savemaxmem=", parse_savemaxmem); - - static void *kdump_buf_page; /** diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index fd814e08c945..cb098628aee8 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -27,12 +27,12 @@ unsigned long mt_fpemul_threshold; * FPU affinity with the user's requested processor affinity. * This code is 98% identical with the sys_sched_setaffinity() * and sys_sched_getaffinity() system calls, and should be - * updated when kernel/sched.c changes. + * updated when kernel/sched/core.c changes. */ /* * find_process_by_pid - find a process with a matching PID value. - * used in sys_sched_set/getaffinity() in kernel/sched.c, so + * used in sys_sched_set/getaffinity() in kernel/sched/core.c, so * cloned here. */ static inline struct task_struct *find_process_by_pid(pid_t pid) diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 9b36424b03c5..e9127ec612ef 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -476,8 +476,9 @@ einval: li v0, -ENOSYS /* * For FPU affinity scheduling on MIPS MT processors, we need to * intercept sys_sched_xxxaffinity() calls until we get a proper hook - * in kernel/sched.c. Considered only temporary we only support these - * hooks for the 32-bit kernel - there is no MIPS64 MT processor atm. + * in kernel/sched/core.c. Considered only temporary we only support + * these hooks for the 32-bit kernel - there is no MIPS64 MT processor + * atm. */ sys mipsmt_sys_sched_setaffinity 3 sys mipsmt_sys_sched_getaffinity 3 diff --git a/arch/mips/loongson/lemote-2f/clock.c b/arch/mips/loongson/lemote-2f/clock.c index bc739d4bab2e..4dc2f5fa3f67 100644 --- a/arch/mips/loongson/lemote-2f/clock.c +++ b/arch/mips/loongson/lemote-2f/clock.c @@ -121,7 +121,8 @@ int clk_set_rate(struct clk *clk, unsigned long rate) clk->rate = rate; regval = LOONGSON_CHIPCFG0; - regval = (regval & ~0x7) | (loongson2_clockmod_table[i].index - 1); + regval = (regval & ~0x7) | + (loongson2_clockmod_table[i].driver_data - 1); LOONGSON_CHIPCFG0 = regval; return ret; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 9b973e0af9cb..4e73f10a7519 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -359,11 +359,24 @@ void __init paging_init(void) static struct kcore_list kcore_kseg0; #endif -void __init mem_init(void) +static inline void mem_init_free_highmem(void) { - unsigned long codesize, reservedpages, datasize, initsize; - unsigned long tmp, ram; +#ifdef CONFIG_HIGHMEM + unsigned long tmp; + for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) { + struct page *page = pfn_to_page(tmp); + + if (!page_is_ram(tmp)) + SetPageReserved(page); + else + free_highmem_page(page); + } +#endif +} + +void __init mem_init(void) +{ #ifdef CONFIG_HIGHMEM #ifdef CONFIG_DISCONTIGMEM #error "CONFIG_HIGHMEM and CONFIG_DISCONTIGMEM dont work together yet" @@ -374,34 +387,10 @@ void __init mem_init(void) #endif high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); - totalram_pages += free_all_bootmem(); + free_all_bootmem(); setup_zero_pages(); /* Setup zeroed pages. */ - - reservedpages = ram = 0; - for (tmp = 0; tmp < max_low_pfn; tmp++) - if (page_is_ram(tmp) && pfn_valid(tmp)) { - ram++; - if (PageReserved(pfn_to_page(tmp))) - reservedpages++; - } - num_physpages = ram; - -#ifdef CONFIG_HIGHMEM - for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) { - struct page *page = pfn_to_page(tmp); - - if (!page_is_ram(tmp)) { - SetPageReserved(page); - continue; - } - free_highmem_page(page); - } - num_physpages += totalhigh_pages; -#endif - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; + mem_init_free_highmem(); + mem_init_print_info(NULL); #ifdef CONFIG_64BIT if ((unsigned long) &_text > (unsigned long) CKSEG0) @@ -410,16 +399,6 @@ void __init mem_init(void) kclist_add(&kcore_kseg0, (void *) CKSEG0, 0x80000000 - 4, KCORE_TEXT); #endif - - printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " - "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", - nr_free_pages() << (PAGE_SHIFT-10), - ram << (PAGE_SHIFT-10), - codesize >> 10, - reservedpages << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10, - totalhigh_pages << (PAGE_SHIFT-10)); } #endif /* !CONFIG_NEED_MULTIPLE_NODES */ @@ -440,7 +419,8 @@ 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_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); + free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM, + "initrd"); } #endif diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index e2e69e1e9fe1..44dd5aa2e36f 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -257,7 +257,9 @@ static int __init bcm1480_pcibios_init(void) register_pci_controller(&bcm1480_controller); #ifdef CONFIG_VGA_CONSOLE - take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1); + console_lock(); + do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES-1, 1); + console_unlock(); #endif return 0; } diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index 879077b01155..cb1ef9984069 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -89,7 +89,7 @@ static inline u32 ltq_calc_bar11mask(void) u32 mem, bar11mask; /* BAR11MASK value depends on available memory on system. */ - mem = num_physpages * PAGE_SIZE; + mem = get_num_physpages() * PAGE_SIZE; bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8; return bar11mask; diff --git a/arch/mips/pci/pci-sb1250.c b/arch/mips/pci/pci-sb1250.c index cdefcc4cb8d4..fc634aeda4a5 100644 --- a/arch/mips/pci/pci-sb1250.c +++ b/arch/mips/pci/pci-sb1250.c @@ -283,7 +283,9 @@ static int __init sb1250_pcibios_init(void) register_pci_controller(&sb1250_controller); #ifdef CONFIG_VGA_CONSOLE - take_over_console(&vga_con, 0, MAX_NR_CONSOLES - 1, 1); + console_lock(); + do_take_over_console(&vga_con, 0, MAX_NR_CONSOLES - 1, 1); + console_unlock(); #endif return 0; } diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 1230f56429d7..a95c00f5fb96 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -357,8 +357,6 @@ static void __init szmem(void) int slot; cnodeid_t node; - num_physpages = 0; - for_each_online_node(node) { nodebytes = 0; for (slot = 0; slot < MAX_MEM_SLOTS; slot++) { @@ -381,7 +379,6 @@ static void __init szmem(void) slot = MAX_MEM_SLOTS; continue; } - num_physpages += slot_psize; memblock_add_node(PFN_PHYS(slot_getbasepfn(node, slot)), PFN_PHYS(slot_psize), node); } @@ -480,32 +477,8 @@ void __init paging_init(void) void __init mem_init(void) { - unsigned long codesize, datasize, initsize, tmp; - unsigned node; - - high_memory = (void *) __va(num_physpages << PAGE_SHIFT); - - for_each_online_node(node) { - /* - * This will free up the bootmem, ie, slot 0 memory. - */ - totalram_pages += free_all_bootmem_node(NODE_DATA(node)); - } - + high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT); + free_all_bootmem(); setup_zero_pages(); /* This comes from node 0 */ - - codesize = (unsigned long) &_etext - (unsigned long) &_text; - datasize = (unsigned long) &_edata - (unsigned long) &_etext; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - tmp = nr_free_pages(); - printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " - "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", - tmp << (PAGE_SHIFT-10), - num_physpages << (PAGE_SHIFT-10), - codesize >> 10, - (num_physpages - tmp) << (PAGE_SHIFT-10), - datasize >> 10, - initsize >> 10, - totalhigh_pages << (PAGE_SHIFT-10)); + mem_init_print_info(NULL); } |