diff options
Diffstat (limited to 'arch/m68knommu/kernel')
| -rw-r--r-- | arch/m68knommu/kernel/asm-offsets.c | 6 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/dma.c | 37 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/syscalltable.S | 2 | ||||
| -rw-r--r-- | arch/m68knommu/kernel/vmlinux.lds.S | 2 |
4 files changed, 38 insertions, 9 deletions
diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c index c785d07c02c..f500dd6935d 100644 --- a/arch/m68knommu/kernel/asm-offsets.c +++ b/arch/m68knommu/kernel/asm-offsets.c @@ -30,9 +30,6 @@ int main(void) DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); - /* offsets into the kernel_stat struct */ - DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); - /* offsets into the irq_cpustat_t struct */ DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); @@ -69,9 +66,6 @@ int main(void) DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); #endif - /* offsets into the kernel_stat struct */ - DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs)); - /* signal defines */ DEFINE(SIGSEGV, SIGSEGV); DEFINE(SEGV_MAPERR, SEGV_MAPERR); diff --git a/arch/m68knommu/kernel/dma.c b/arch/m68knommu/kernel/dma.c index 93612580663..aaf38bbbb6c 100644 --- a/arch/m68knommu/kernel/dma.c +++ b/arch/m68knommu/kernel/dma.c @@ -7,10 +7,9 @@ #include <linux/types.h> #include <linux/mm.h> -#include <linux/string.h> #include <linux/device.h> #include <linux/dma-mapping.h> -#include <asm/io.h> +#include <asm/cacheflush.h> void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) @@ -36,7 +35,39 @@ void dma_free_coherent(struct device *dev, size_t size, free_pages((unsigned long)vaddr, get_order(size)); } -void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) +void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, + size_t size, enum dma_data_direction dir) { + switch (dir) { + case DMA_TO_DEVICE: + flush_dcache_range(handle, size); + break; + case DMA_FROM_DEVICE: + /* Should be clear already */ + break; + default: + if (printk_ratelimit()) + printk("dma_sync_single_for_device: unsupported dir %u\n", dir); + break; + } +} + +EXPORT_SYMBOL(dma_sync_single_for_device); +dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size, + enum dma_data_direction dir) +{ + dma_addr_t handle = virt_to_phys(addr); + flush_dcache_range(handle, size); + return handle; } +EXPORT_SYMBOL(dma_map_single); +dma_addr_t dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir) +{ + dma_addr_t handle = page_to_phys(page) + offset; + dma_sync_single_for_device(dev, handle, size, dir); + return handle; +} +EXPORT_SYMBOL(dma_map_page); diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S index 1017e76f371..c0b8782832f 100644 --- a/arch/m68knommu/kernel/syscalltable.S +++ b/arch/m68knommu/kernel/syscalltable.S @@ -347,6 +347,8 @@ ENTRY(sys_call_table) .long sys_dup3 .long sys_pipe2 .long sys_inotify_init1 + .long sys_preadv + .long sys_pwritev /* 330 */ .rept NR_syscalls-(.-sys_call_table)/4 .long sys_ni_syscall diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index 69ba9b10767..b7fe505e358 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -147,6 +147,8 @@ SECTIONS { . = ALIGN(4); _sdata = . ; DATA_DATA + . = ALIGN(32); + *(.data.cacheline_aligned) . = ALIGN(8192) ; *(.data.init_task) _edata = . ; |