hwif->sg_nents is always != 0 when this function is called
and there is also no need to explicitely zero hwif->sg_nents.
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/ppc/pmac.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
Index: b/drivers/ide/ppc/pmac.c
===================================================================
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1523,18 +1523,6 @@ use_pio_instead:
return 0; /* revert to PIO for this request */
}
-/* Teardown mappings after DMA has completed. */
-static void
-pmac_ide_destroy_dmatable (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- if (hwif->sg_nents) {
- ide_destroy_dmatable(drive);
- hwif->sg_nents = 0;
- }
-}
-
/*
* Prepare a DMA transfer. We build the DMA table, adjust the timings for
* a read on KeyLargo ATA/66 and mark us as waiting for DMA completion
@@ -1606,7 +1594,9 @@ pmac_ide_dma_end (ide_drive_t *drive)
drive->waiting_for_dma = 0;
dstat = readl(&dma->status);
writel(((RUN|WAKE|DEAD) << 16), &dma->control);
- pmac_ide_destroy_dmatable(drive);
+
+ ide_destroy_dmatable(drive);
+
/* verify good dma status. we don't check for ACTIVE beeing 0. We should...
* in theory, but with ATAPI decices doing buffer underruns, that would
* cause us to disable DMA, which isn't what we want
--
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