diff options
| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2022-10-25 12:02:51 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-11-11 09:45:08 +0300 |
| commit | 83c196152fc9a93c3d5a7cbf3229f42f87f232d8 (patch) | |
| tree | d4b54ef1d3bce8b50a5ecabe5f77914c821b1e5a /drivers/dma/at_hdmac.c | |
| parent | 4c2e9ba05c7abac58bdb58e47eb69b156027fb7b (diff) | |
| download | linux-83c196152fc9a93c3d5a7cbf3229f42f87f232d8.tar.xz | |
dmaengine: at_hdmac: Return dma_cookie_status()'s ret code when txstate is NULL
txstate is an optional parameter used to get a struct with auxilary
transfer status information. When not provided the call to
device_tx_status() should return the status of the dma cookie. Return the
status of dma cookie when the txstate optional parameter is not provided.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20221025090306.297886-1-tudor.ambarus@microchip.com
Link: https://lore.kernel.org/r/20221025090306.297886-18-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index f365ac4d87ff..10b6b0435d52 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1461,14 +1461,8 @@ atc_tx_status(struct dma_chan *chan, int bytes = 0; ret = dma_cookie_status(chan, cookie, txstate); - if (ret == DMA_COMPLETE) + if (ret == DMA_COMPLETE || !txstate) return ret; - /* - * There's no point calculating the residue if there's - * no txstate to store the value. - */ - if (!txstate) - return DMA_ERROR; spin_lock_irqsave(&atchan->lock, flags); |