1 files changed, 17 insertions, 32 deletions

diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h
index 6d8276cd25ca..f15b69fea901 100644
--- a/arch/parisc/include/asm/floppy.h
+++ b/arch/parisc/include/asm/floppy.h
@@ -1,29 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*    Architecture specific parts of the Floppy driver
  *
  *    Linux/PA-RISC Project (http://www.parisc-linux.org/)
  *    Copyright (C) 2000 Matthew Wilcox (willy a debian . org)
  *    Copyright (C) 2000 Dave Kennedy
- *
- *    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.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- *
- *    You should have received a copy of the GNU General Public License
- *    along with this program; if not, write to the Free Software
- *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #ifndef __ASM_PARISC_FLOPPY_H
 #define __ASM_PARISC_FLOPPY_H
 
+#include <linux/sizes.h>
 #include <linux/vmalloc.h>
 
-
 /*
  * The DMA channel used by the floppy controller cannot access data at
  * addresses >= 16MB
@@ -33,17 +20,14 @@
  * 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)
-
+	(!(vdma) && \
+	 ((unsigned long)(a) / SZ_64K != ((unsigned long)(a) + (s) - 1) / SZ_64K))
 
 #define SW fd_routine[use_virtual_dma&1]
 #define CSW fd_routine[can_use_virtual_dma & 1]
 
-
-#define fd_inb(port)			readb(port)
-#define fd_outb(value, port)		writeb(value, port)
+#define fd_inb(base, reg)		readb((base) + (reg))
+#define fd_outb(value, base, reg)	writeb(value, (base) + (reg))
 
 #define fd_request_dma()        CSW._request_dma(FLOPPY_DMA,"floppy")
 #define fd_free_dma()           CSW._free_dma(FLOPPY_DMA)
@@ -88,27 +72,28 @@ static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
 		register char *lptr = virtual_dma_addr;
 
 		for (lcount = virtual_dma_count; lcount; lcount--) {
-			st = fd_inb(virtual_dma_port+4) & 0xa0 ;
-			if (st != 0xa0) 
+			st = fd_inb(virtual_dma_port, FD_STATUS);
+			st &= STATUS_DMA | STATUS_READY;
+			if (st != (STATUS_DMA | STATUS_READY))
 				break;
 			if (virtual_dma_mode) {
-				fd_outb(*lptr, virtual_dma_port+5);
+				fd_outb(*lptr, virtual_dma_port, FD_DATA);
 			} else {
-				*lptr = fd_inb(virtual_dma_port+5);
+				*lptr = fd_inb(virtual_dma_port, FD_DATA);
 			}
 			lptr++;
 		}
 		virtual_dma_count = lcount;
 		virtual_dma_addr = lptr;
-		st = fd_inb(virtual_dma_port+4);
+		st = fd_inb(virtual_dma_port, FD_STATUS);
 	}
 
 #ifdef TRACE_FLPY_INT
 	calls++;
 #endif
-	if (st == 0x20)
+	if (st == STATUS_DMA)
 		return;
-	if (!(st & 0x20)) {
+	if (!(st & STATUS_DMA)) {
 		virtual_dma_residue += virtual_dma_count;
 		virtual_dma_count = 0;
 #ifdef TRACE_FLPY_INT
@@ -191,7 +176,7 @@ 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_bus(addr) >= 0x1000000 ||
+		   virt_to_phys(addr) >= 0x1000000 ||
 		   _CROSS_64KB(addr, size, 0))
 			use_virtual_dma = 1;
 		else
@@ -218,7 +203,7 @@ static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
 static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
 {
 #ifdef FLOPPY_SANITY_CHECK
-	if (CROSS_64KB(addr, size)) {
+	if (_CROSS_64KB(addr, size, use_virtual_dma & 1)) {
 		printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size);
 		return -1;
 	}
@@ -227,7 +212,7 @@ static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
 	doing_pdma = 0;
 	clear_dma_ff(FLOPPY_DMA);
 	set_dma_mode(FLOPPY_DMA,mode);
-	set_dma_addr(FLOPPY_DMA,virt_to_bus(addr));
+	set_dma_addr(FLOPPY_DMA,virt_to_phys(addr));
 	set_dma_count(FLOPPY_DMA,size);
 	enable_dma(FLOPPY_DMA);
 	return 0;