-/* $Id: dma.c,v 1.7 1994/12/28 03:35:33 root Exp root $
+/*
* linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c.
*
* Written by Hennus Bergman, 1992.
#include <asm/dma.h>
#include <asm/system.h>
-
+
/* A note on resource allocation:
*
if (xchg(&dma_chan_busy[dmanr].lock, 0) == 0) {
printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr);
return;
- }
+ }
} /* free_dma */
for (i = 0 ; i < MAX_DMA_CHANNELS ; i++) {
if (dma_chan_busy[i].lock) {
- seq_printf(m, "%2d: %s\n", i,
- dma_chan_busy[i].device_id);
+ seq_printf(m, "%2d: %s\n", i,
+ dma_chan_busy[i].device_id);
}
}
return 0;
static int __init proc_dma_init(void)
{
- struct proc_dir_entry *e;
-
- e = create_proc_entry("dma", 0, NULL);
- if (e)
- e->proc_fops = &proc_dma_operations;
-
+ proc_create("dma", 0, NULL, &proc_dma_operations);
return 0;
}