diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-02-27 15:37:48 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-03-11 18:17:54 +0300 |
| commit | 92f0f8efbd4ad8fac2e3e902eff3c67da65f08cc (patch) | |
| tree | 5f3f2e4be82039f7e159d5f347afda02b6ae9f51 /drivers/mtd/nand/raw/qcom_nandc.c | |
| parent | 80c3012e127cf8f4c0601868b2c23b1caab20b44 (diff) | |
| download | linux-92f0f8efbd4ad8fac2e3e902eff3c67da65f08cc.tar.xz | |
mtd: rawnand: qcom: Use dma_request_chan() instead dma_request_slave_channel()
dma_request_slave_channel() is a wrapper on top of dma_request_chan()
eating up the error code.
Use using dma_request_chan() directly to return the real error code.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-7-peter.ujfalusi@ti.com
Diffstat (limited to 'drivers/mtd/nand/raw/qcom_nandc.c')
| -rw-r--r-- | drivers/mtd/nand/raw/qcom_nandc.c | 50 |
1 files changed, 33 insertions, 17 deletions
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index ca21cb3836dc..5b11c7061497 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2696,24 +2696,36 @@ static int qcom_nandc_alloc(struct qcom_nand_controller *nandc) return -EIO; } - nandc->tx_chan = dma_request_slave_channel(nandc->dev, "tx"); - if (!nandc->tx_chan) { - dev_err(nandc->dev, "failed to request tx channel\n"); - ret = -ENODEV; + nandc->tx_chan = dma_request_chan(nandc->dev, "tx"); + if (IS_ERR(nandc->tx_chan)) { + ret = PTR_ERR(nandc->tx_chan); + nandc->tx_chan = NULL; + if (ret != -EPROBE_DEFER) + dev_err(nandc->dev, + "tx DMA channel request failed: %d\n", + ret); goto unalloc; } - nandc->rx_chan = dma_request_slave_channel(nandc->dev, "rx"); - if (!nandc->rx_chan) { - dev_err(nandc->dev, "failed to request rx channel\n"); - ret = -ENODEV; + nandc->rx_chan = dma_request_chan(nandc->dev, "rx"); + if (IS_ERR(nandc->rx_chan)) { + ret = PTR_ERR(nandc->rx_chan); + nandc->rx_chan = NULL; + if (ret != -EPROBE_DEFER) + dev_err(nandc->dev, + "rx DMA channel request failed: %d\n", + ret); goto unalloc; } - nandc->cmd_chan = dma_request_slave_channel(nandc->dev, "cmd"); - if (!nandc->cmd_chan) { - dev_err(nandc->dev, "failed to request cmd channel\n"); - ret = -ENODEV; + nandc->cmd_chan = dma_request_chan(nandc->dev, "cmd"); + if (IS_ERR(nandc->cmd_chan)) { + ret = PTR_ERR(nandc->cmd_chan); + nandc->cmd_chan = NULL; + if (ret != -EPROBE_DEFER) + dev_err(nandc->dev, + "cmd DMA channel request failed: %d\n", + ret); goto unalloc; } @@ -2732,11 +2744,15 @@ static int qcom_nandc_alloc(struct qcom_nand_controller *nandc) goto unalloc; } } else { - nandc->chan = dma_request_slave_channel(nandc->dev, "rxtx"); - if (!nandc->chan) { - dev_err(nandc->dev, - "failed to request slave channel\n"); - return -ENODEV; + nandc->chan = dma_request_chan(nandc->dev, "rxtx"); + if (IS_ERR(nandc->chan)) { + ret = PTR_ERR(nandc->chan); + nandc->chan = NULL; + if (ret != -EPROBE_DEFER) + dev_err(nandc->dev, + "rxtx DMA channel request failed: %d\n", + ret); + return ret; } } |