Messages in this thread Patch in this message | | | From | Willy Tarreau <> | Subject | [PATCH 04/23] floppy: use symbolic register names in the parisc port | Date | Tue, 31 Mar 2020 11:40:35 +0200 |
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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.
Cc: Helge Deller <deller@gmx.de> Signed-off-by: Willy Tarreau <w@1wt.eu> --- arch/parisc/include/asm/floppy.h | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h index 1aebc23b7744..762cfe7778c0 100644 --- a/arch/parisc/include/asm/floppy.h +++ b/arch/parisc/include/asm/floppy.h @@ -75,27 +75,28 @@ 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 -- 2.20.1
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