summaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/floppy.h
diff options
context:
space:
mode:
authorWilly Tarreau <w@1wt.eu>2020-03-31 11:40:34 +0200
committerDenis Efremov <efremov@linux.com>2020-05-12 19:34:52 +0300
commit76373fc666a1c62d422f5e6fc9e4927877934045 (patch)
treef6cb14953be03855e077941e337c14a40a7cb62a /arch/m68k/include/asm/floppy.h
parent7d33850abdb9048c6aa421440a64905eb4ad07a2 (diff)
floppy: use symbolic register names in the m68k port
Now we can use FD_STATUS and FD_DATA instead of 4 or 5, let's do this, and also use STATUS_DMA and STATUS_READY for the status bits. Link: https://lore.kernel.org/r/20200331094054.24441-4-w@1wt.eu Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Denis Efremov <efremov@linux.com>
Diffstat (limited to 'arch/m68k/include/asm/floppy.h')
-rw-r--r--arch/m68k/include/asm/floppy.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/m68k/include/asm/floppy.h b/arch/m68k/include/asm/floppy.h
index 2a6ce29b92aa..a4d0fea47c6b 100644
--- a/arch/m68k/include/asm/floppy.h
+++ b/arch/m68k/include/asm/floppy.h
@@ -211,26 +211,27 @@ asmlinkage irqreturn_t floppy_hardint(int irq, void *dev_id)
st=1;
for(lcount=virtual_dma_count, lptr=virtual_dma_addr;
lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if(st != 0xa0)
+ st = inb(virtual_dma_port + FD_STATUS);
+ st &= STATUS_DMA | STATUS_READY;
+ if (st != (STATUS_DMA | STATUS_READY))
break;
if(virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
+ outb_p(*lptr, virtual_dma_port + FD_DATA);
else
- *lptr = inb_p(virtual_dma_port+5);
+ *lptr = inb_p(virtual_dma_port + FD_DATA);
}
virtual_dma_count = lcount;
virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
+ st = inb(virtual_dma_port + FD_STATUS);
}
#ifdef TRACE_FLPY_INT
calls++;
#endif
- if(st == 0x20)
+ if (st == STATUS_DMA)
return IRQ_HANDLED;
- if(!(st & 0x20)) {
+ if (!(st & STATUS_DMA)) {
virtual_dma_residue += virtual_dma_count;
virtual_dma_count=0;
#ifdef TRACE_FLPY_INT