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Diffstat (limited to 'arch/i386/kernel/i8237.c')
-rw-r--r--arch/i386/kernel/i8237.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/i386/kernel/i8237.c b/arch/i386/kernel/i8237.c
deleted file mode 100644
index 6f508e8d7c5..00000000000
--- a/arch/i386/kernel/i8237.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * i8237.c: 8237A DMA controller suspend functions.
- *
- * Written by Pierre Ossman, 2005.
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/sysdev.h>
-
-#include <asm/dma.h>
-
-/*
- * This module just handles suspend/resume issues with the
- * 8237A DMA controller (used for ISA and LPC).
- * Allocation is handled in kernel/dma.c and normal usage is
- * in asm/dma.h.
- */
-
-static int i8237A_resume(struct sys_device *dev)
-{
- unsigned long flags;
- int i;
-
- flags = claim_dma_lock();
-
- dma_outb(DMA1_RESET_REG, 0);
- dma_outb(DMA2_RESET_REG, 0);
-
- for (i = 0;i < 8;i++) {
- set_dma_addr(i, 0x000000);
- /* DMA count is a bit weird so this is not 0 */
- set_dma_count(i, 1);
- }
-
- /* Enable cascade DMA or channel 0-3 won't work */
- enable_dma(4);
-
- release_dma_lock(flags);
-
- return 0;
-}
-
-static int i8237A_suspend(struct sys_device *dev, pm_message_t state)
-{
- return 0;
-}
-
-static struct sysdev_class i8237_sysdev_class = {
- set_kset_name("i8237"),
- .suspend = i8237A_suspend,
- .resume = i8237A_resume,
-};
-
-static struct sys_device device_i8237A = {
- .id = 0,
- .cls = &i8237_sysdev_class,
-};
-
-static int __init i8237A_init_sysfs(void)
-{
- int error = sysdev_class_register(&i8237_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8237A);
- return error;
-}
-
-device_initcall(i8237A_init_sysfs);