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-rw-r--r--arch/blackfin/kernel/sys_bfin.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/blackfin/kernel/sys_bfin.c b/arch/blackfin/kernel/sys_bfin.c
deleted file mode 100644
index d998383cb956..000000000000
--- a/arch/blackfin/kernel/sys_bfin.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * contains various random system calls that have a non-standard
- * calling sequence on the Linux/Blackfin platform.
- *
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later
- */
-
-#include <linux/spinlock.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/syscalls.h>
-#include <linux/mman.h>
-#include <linux/file.h>
-#include <linux/fs.h>
-#include <linux/uaccess.h>
-#include <linux/ipc.h>
-#include <linux/unistd.h>
-
-#include <asm/cacheflush.h>
-#include <asm/dma.h>
-#include <asm/cachectl.h>
-#include <asm/ptrace.h>
-
-asmlinkage void *sys_sram_alloc(size_t size, unsigned long flags)
-{
- return sram_alloc_with_lsl(size, flags);
-}
-
-asmlinkage int sys_sram_free(const void *addr)
-{
- return sram_free_with_lsl(addr);
-}
-
-asmlinkage void *sys_dma_memcpy(void *dest, const void *src, size_t len)
-{
- return safe_dma_memcpy(dest, src, len);
-}
-
-#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
-#include <linux/fb.h>
-#include <linux/export.h>
-unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr,
- unsigned long len, unsigned long pgoff, unsigned long flags)
-{
- struct fb_info *info = filp->private_data;
- return (unsigned long)info->screen_base;
-}
-EXPORT_SYMBOL(get_fb_unmapped_area);
-#endif
-
-/* Needed for legacy userspace atomic emulation */
-static DEFINE_SPINLOCK(bfin_spinlock_lock);
-
-#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1
-__attribute__((l1_text))
-#endif
-asmlinkage int sys_bfin_spinlock(int *p)
-{
- int ret, tmp = 0;
-
- spin_lock(&bfin_spinlock_lock); /* This would also hold kernel preemption. */
- ret = get_user(tmp, p);
- if (likely(ret == 0)) {
- if (unlikely(tmp))
- ret = 1;
- else
- put_user(1, p);
- }
- spin_unlock(&bfin_spinlock_lock);
-
- return ret;
-}
-
-SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, len, int, op)
-{
- if (is_user_addr_valid(current, addr, len) != 0)
- return -EINVAL;
-
- if (op & DCACHE)
- blackfin_dcache_flush_range(addr, addr + len);
- if (op & ICACHE)
- blackfin_icache_flush_range(addr, addr + len);
-
- return 0;
-}