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ide: simplify start_transfer callbacks

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Drop the unused return value and make the callback optional.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-08-04 17:11:09 -04:00 • committed by Stefan Hajnoczi
parent c039cb1e5a
commit 446351236b
5 changed files with 5 additions and 24 deletions
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6
hw/ide/macio.c
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@ -545,11 +545,6 @@ static void macio_ide_reset(DeviceState *dev)
ide_bus_reset(&d->bus);
}
static int ide_nop(IDEDMA *dma)
{
return 0;
}
static int ide_nop_int(IDEDMA *dma, int x)
{
return 0;
@ -571,7 +566,6 @@ static void ide_dbdma_start(IDEDMA *dma, IDEState *s,
static const IDEDMAOps dbdma_ops = {
.start_dma = ide_dbdma_start,
.start_transfer = ide_nop,
.prepare_buf = ide_nop_int,
.rw_buf = ide_nop_int,
.set_unit = ide_nop_int,