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mac_dbdma: remove unused IO fields from DBDMAState 

These fields were used to manually handle IO requests that weren't aligned
to a sector boundary before this feature was supported by the block API.

Once the block API changed to support byte-aligned IO requests, the macio
controller was switched over to use it in commit be1e343 but these fields
were accidentally left behind. Remove them, including the initialisation
in DBDMA_init().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2017-09-24 15:47:40 +01:00 committed by David Gibson
parent 1ec26c757d
commit 2bb4a98f90
2 changed files with 0 additions and 6 deletions
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2
hw/misc/macio/mac_dbdma.c
View File

@ -893,9 +893,7 @@ void* DBDMA_init (MemoryRegion **dbdma_mem)
s = g_malloc0(sizeof(DBDMAState));
for (i = 0; i < DBDMA_CHANNELS; i++) {
DBDMA_io *io = &s->channels[i].io;
DBDMA_channel *ch = &s->channels[i];
qemu_iovec_init(&io->iov, 1);
ch->rw = dbdma_unassigned_rw;
ch->flush = dbdma_unassigned_flush;

4
include/hw/ppc/mac_dbdma.h
View File

@ -42,10 +42,6 @@ struct DBDMA_io {
DBDMA_end dma_end;
/* DMA is in progress, don't start another one */
bool processing;
/* unaligned last sector of a request */
uint8_t head_remainder[0x200];
uint8_t tail_remainder[0x200];
QEMUIOVector iov;
/* DMA request */
void *dma_mem;
dma_addr_t dma_len;