floppy-no.c
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Dummy file for machines without standard floppy drives.
- *
- * Copyright (C) 1998 by Ralf Baechle
- */
- #include <linux/init.h>
- #include <linux/kernel.h>
- #include <linux/mm.h>
- #include <asm/floppy.h>
- /*
- * How to access the FDC's registers.
- */
- static void no_fd_dummy(void)
- {
- panic("no_fd_dummy called - shouldn't happen");
- }
- static unsigned long no_fd_getfdaddr1(void)
- {
- return (unsigned long)-1; /* No FDC nowhere ... */
- }
- static unsigned long no_fd_drive_type(unsigned long n)
- {
- return 0;
- }
- struct fd_ops no_fd_ops = {
- /*
- * How to access the floppy controller's ports
- */
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- /*
- * How to access the floppy DMA functions.
- */
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- no_fd_getfdaddr1,
- (void *) no_fd_dummy,
- (void *) no_fd_dummy,
- no_fd_drive_type
- };