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ide: call ide_build_sglist() prior to ->dma_setup (v2)

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* Re-map sg table if needed in ide_build_sglist().

* Move ide_build_sglist() call from ->dma_setup to its users.

* Un-export ide_build_sglist().

v2:
* Build fix for CONFIG_BLK_DEV_IDEDMA=n (noticed by Randy Dunlap).

There should be no functional changes caused by this patch.

Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2009-03-27 12:46:37 +01:00
parent b109f526ca
commit e6830a86c2
10 changed files with 24 additions and 41 deletions
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10
drivers/ide/sgiioc4.c
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@@ -429,15 +429,9 @@ sgiioc4_build_dma_table(ide_drive_t * drive, struct request *rq, int ddir)
{
ide_hwif_t *hwif = drive->hwif;
unsigned int *table = hwif->dmatable_cpu;
unsigned int count = 0, i = 1;
struct scatterlist *sg;
unsigned int count = 0, i = hwif->sg_nents;
struct scatterlist *sg = hwif->sg_table;
hwif->sg_nents = i = ide_build_sglist(drive, rq);
if (!i)
return 0; /* sglist of length Zero */
sg = hwif->sg_table;
while (i && sg_dma_len(sg)) {
dma_addr_t cur_addr;
int cur_len;