diff options
| author |   Jiri Slaby <jslaby@suse.cz> | 2019-10-31 10:59:45 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2019-11-01 08:50:51 -0600 |
| commit | 95364f36701e62dd50eee91e1303187fd1a9f567 (patch) | |
| tree | 3ba901b8f53c7c667cc1210ee727e5b63d62382b /drivers/ata/pata_pxa.c | |
| parent | ata: define AC_ERR_OK (diff) | |
| download | linux-dev-95364f36701e62dd50eee91e1303187fd1a9f567.tar.xz linux-dev-95364f36701e62dd50eee91e1303187fd1a9f567.zip | |
ata: make qc_prep return ata_completion_errors
In case a driver wants to return an error from qc_prep, return enum
ata_completion_errors. sata_mv is one of those drivers -- see the next
patch. Other drivers return the newly defined AC_ERR_OK.
[v2] use enum ata_completion_errors and AC_ERR_OK.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/pata_pxa.c')
| -rw-r--r-- | drivers/ata/pata_pxa.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c index 4afcb8e63e21..41430f79663c 100644 --- a/drivers/ata/pata_pxa.c +++ b/drivers/ata/pata_pxa.c @@ -44,25 +44,27 @@ static void pxa_ata_dma_irq(void *d) /* * Prepare taskfile for submission. */ -static void pxa_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors pxa_qc_prep(struct ata_queued_cmd *qc) { struct pata_pxa_data *pd = qc->ap->private_data; struct dma_async_tx_descriptor *tx; enum dma_transfer_direction dir; if (!(qc->flags & ATA_QCFLAG_DMAMAP)) - return; + return AC_ERR_OK; dir = (qc->dma_dir == DMA_TO_DEVICE ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM); tx = dmaengine_prep_slave_sg(pd->dma_chan, qc->sg, qc->n_elem, dir, DMA_PREP_INTERRUPT); if (!tx) { ata_dev_err(qc->dev, "prep_slave_sg() failed\n"); - return; + return AC_ERR_OK; } tx->callback = pxa_ata_dma_irq; tx->callback_param = pd; pd->dma_cookie = dmaengine_submit(tx); + + return AC_ERR_OK; } /* |