diff options
| author |   Willy Tarreau <w@1wt.eu> | 2020-03-31 11:40:34 +0200 |
|---|---|---|
| committer |   Denis Efremov <efremov@linux.com> | 2020-05-12 19:34:52 +0300 |
| commit | 76373fc666a1c62d422f5e6fc9e4927877934045 (patch) | |
| tree | f6cb14953be03855e077941e337c14a40a7cb62a /arch/m68k | |
| parent | floppy: add references to 82077's extra registers (diff) | |
| download | linux-dev-76373fc666a1c62d422f5e6fc9e4927877934045.tar.xz linux-dev-76373fc666a1c62d422f5e6fc9e4927877934045.zip | |
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')
| -rw-r--r-- | arch/m68k/include/asm/floppy.h | 15 |
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 |