remove include/asm-sh/floppy.h
authorAdrian Bunk <bunk@kernel.org>
Sun, 30 Mar 2008 22:53:43 +0000 (01:53 +0300)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 31 Mar 2008 07:16:02 +0000 (16:16 +0900)
This patch removes the unused include/asm-sh/floppy.h
(ARCH_MAY_HAVE_PC_FDC was not enabled).

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/Kconfig
include/asm-sh/floppy.h [deleted file]

index 12720489e458313d0c13ff17494d8a843f9a7724..8d2cd1de57265c947a340396613dd2b83ff1e5a7 100644 (file)
@@ -72,9 +72,6 @@ config SYS_SUPPORTS_NUMA
 config SYS_SUPPORTS_PCI
        bool
 
 config SYS_SUPPORTS_PCI
        bool
 
-config ARCH_MAY_HAVE_PC_FDC
-       bool
-
 config STACKTRACE_SUPPORT
        def_bool y
 
 config STACKTRACE_SUPPORT
        def_bool y
 
diff --git a/include/asm-sh/floppy.h b/include/asm-sh/floppy.h
deleted file mode 100644 (file)
index 59fbfdc..0000000
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Architecture specific parts of the Floppy driver
- *   include/asm-i386/floppy.h
- *
- * 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.
- *
- * Copyright (C) 1995
- */
-#ifndef __ASM_SH_FLOPPY_H
-#define __ASM_SH_FLOPPY_H
-
-#include <linux/vmalloc.h>
-
-
-/*
- * The DMA channel used by the floppy controller cannot access data at
- * addresses >= 16MB
- *
- * Went back to the 1MB limit, as some people had problems with the floppy
- * driver otherwise. It doesn't matter much for performance anyway, as most
- * floppy accesses go through the track buffer.
- */
-#define _CROSS_64KB(a,s,vdma) \
-(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
-
-#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1)
-
-
-#define SW fd_routine[use_virtual_dma&1]
-#define CSW fd_routine[can_use_virtual_dma & 1]
-
-
-#define fd_inb(port)                   inb_p(port)
-#define fd_outb(value,port)            outb_p(value,port)
-
-#define fd_request_dma()        CSW._request_dma(FLOPPY_DMA,"floppy")
-#define fd_free_dma()           CSW._free_dma(FLOPPY_DMA)
-#define fd_enable_irq()         enable_irq(FLOPPY_IRQ)
-#define fd_disable_irq()        disable_irq(FLOPPY_IRQ)
-#define fd_free_irq()          free_irq(FLOPPY_IRQ, NULL)
-#define fd_get_dma_residue()    SW._get_dma_residue(FLOPPY_DMA)
-#define fd_dma_mem_alloc(size) SW._dma_mem_alloc(size)
-#define fd_dma_setup(addr, size, mode, io) SW._dma_setup(addr, size, mode, io)
-
-#define FLOPPY_CAN_FALLBACK_ON_NODMA
-
-static int virtual_dma_count;
-static int virtual_dma_residue;
-static char *virtual_dma_addr;
-static int virtual_dma_mode;
-static int doing_pdma;
-
-static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
-{
-       register unsigned char st;
-
-#undef TRACE_FLPY_INT
-
-#ifdef TRACE_FLPY_INT
-       static int calls=0;
-       static int bytes=0;
-       static int dma_wait=0;
-#endif
-       if(!doing_pdma) {
-               floppy_interrupt(irq, dev_id, regs);
-               return;
-       }
-
-#ifdef TRACE_FLPY_INT
-       if(!calls)
-               bytes = virtual_dma_count;
-#endif
-
-       {
-               register int lcount;
-               register char *lptr;
-
-               st = 1;
-               for(lcount=virtual_dma_count, lptr=virtual_dma_addr; 
-                   lcount; lcount--, lptr++) {
-                       st=inb(virtual_dma_port+4) & 0xa0 ;
-                       if(st != 0xa0) 
-                               break;
-                       if(virtual_dma_mode)
-                               outb_p(*lptr, virtual_dma_port+5);
-                       else
-                               *lptr = inb_p(virtual_dma_port+5);
-               }
-               virtual_dma_count = lcount;
-               virtual_dma_addr = lptr;
-               st = inb(virtual_dma_port+4);
-       }
-
-#ifdef TRACE_FLPY_INT
-       calls++;
-#endif
-       if(st == 0x20)
-               return;
-       if(!(st & 0x20)) {
-               virtual_dma_residue += virtual_dma_count;
-               virtual_dma_count=0;
-#ifdef TRACE_FLPY_INT
-               printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n", 
-                      virtual_dma_count, virtual_dma_residue, calls, bytes,
-                      dma_wait);
-               calls = 0;
-               dma_wait=0;
-#endif
-               doing_pdma = 0;
-               floppy_interrupt(irq, dev_id, regs);
-               return;
-       }
-#ifdef TRACE_FLPY_INT
-       if(!virtual_dma_count)
-               dma_wait++;
-#endif
-}
-
-static void fd_disable_dma(void)
-{
-       if(! (can_use_virtual_dma & 1))
-               disable_dma(FLOPPY_DMA);
-       doing_pdma = 0;
-       virtual_dma_residue += virtual_dma_count;
-       virtual_dma_count=0;
-}
-
-static int vdma_request_dma(unsigned int dmanr, const char * device_id)
-{
-       return 0;
-}
-
-static void vdma_nop(unsigned int dummy)
-{
-}
-
-
-static int vdma_get_dma_residue(unsigned int dummy)
-{
-       return virtual_dma_count + virtual_dma_residue;
-}
-
-
-static int fd_request_irq(void)
-{
-       if(can_use_virtual_dma)
-               return request_irq(FLOPPY_IRQ, floppy_hardint,
-                                  IRQF_DISABLED, "floppy", NULL);
-       else
-               return request_irq(FLOPPY_IRQ, floppy_interrupt,
-                                  IRQF_DISABLED, "floppy", NULL);
-}
-
-static unsigned long dma_mem_alloc(unsigned long size)
-{
-       return __get_dma_pages(GFP_KERNEL,get_order(size));
-}
-
-
-static unsigned long vdma_mem_alloc(unsigned long size)
-{
-       return (unsigned long) vmalloc(size);
-
-}
-
-#define nodma_mem_alloc(size) vdma_mem_alloc(size)
-
-static void _fd_dma_mem_free(unsigned long addr, unsigned long size)
-{
-       if((unsigned int) addr >= (unsigned int) high_memory)
-               return vfree((void *)addr);
-       else
-               free_pages(addr, get_order(size));              
-}
-
-#define fd_dma_mem_free(addr, size)  _fd_dma_mem_free(addr, size) 
-
-static void _fd_chose_dma_mode(char *addr, unsigned long size)
-{
-       if(can_use_virtual_dma == 2) {
-               if((unsigned int) addr >= (unsigned int) high_memory ||
-                  virt_to_phys(addr) >= 0x10000000)
-                       use_virtual_dma = 1;
-               else
-                       use_virtual_dma = 0;
-       } else {
-               use_virtual_dma = can_use_virtual_dma & 1;
-       }
-}
-
-#define fd_chose_dma_mode(addr, size) _fd_chose_dma_mode(addr, size)
-
-
-static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
-       doing_pdma = 1;
-       virtual_dma_port = io;
-       virtual_dma_mode = (mode  == DMA_MODE_WRITE);
-       virtual_dma_addr = addr;
-       virtual_dma_count = size;
-       virtual_dma_residue = 0;
-       return 0;
-}
-
-static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
-#ifdef FLOPPY_SANITY_CHECK
-       if (CROSS_64KB(addr, size)) {
-               printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size);
-               return -1;
-       }
-#endif
-
-       __flush_purge_region(addr, size);
-
-       /* actual, physical DMA */
-       doing_pdma = 0;
-       clear_dma_ff(FLOPPY_DMA);
-       set_dma_mode(FLOPPY_DMA,mode);
-       set_dma_addr(FLOPPY_DMA,virt_to_phys(addr));
-       set_dma_count(FLOPPY_DMA,size);
-       enable_dma(FLOPPY_DMA);
-       return 0;
-}
-
-static struct fd_routine_l {
-       int (*_request_dma)(unsigned int dmanr, const char * device_id);
-       void (*_free_dma)(unsigned int dmanr);
-       int (*_get_dma_residue)(unsigned int dummy);
-       unsigned long (*_dma_mem_alloc) (unsigned long size);
-       int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
-} fd_routine[] = {
-       {
-               request_dma,
-               free_dma,
-               get_dma_residue,
-               dma_mem_alloc,
-               hard_dma_setup
-       },
-       {
-               vdma_request_dma,
-               vdma_nop,
-               vdma_get_dma_residue,
-               vdma_mem_alloc,
-               vdma_dma_setup
-       }
-};
-
-
-static int FDC1 = 0x3f0;
-static int FDC2 = -1;
-
-/*
- * Floppy types are stored in the rtc's CMOS RAM and so rtc_lock
- * is needed to prevent corrupted CMOS RAM in case "insmod floppy"
- * coincides with another rtc CMOS user.               Paul G.
- */
-#define FLOPPY0_TYPE   (4)
-#define FLOPPY1_TYPE   (0)
-
-#define N_FDC 2
-#define N_DRIVE 8
-
-#define EXTRA_FLOPPY_PARAMS
-
-#endif /* __ASM_SH_FLOPPY_H */