diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-17 09:45:05 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2020-03-22 17:22:07 +0100 |
| commit | f7b87c9af45414225fc6e78af898e403b719181d (patch) | |
| tree | cb1d5867dfe8ac4b4d1ada632b738df4bfc7007d /drivers | |
| parent | 3e566bee7f89de19727293c3ef1803b43c948d15 (diff) | |
i2c: mxs: 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.
By using dma_request_chan() directly the driver can support deferred
probing against DMA.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 89224913f578..03f5eee9883a 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -836,10 +836,10 @@ static int mxs_i2c_probe(struct platform_device *pdev) } /* Setup the DMA */ - i2c->dmach = dma_request_slave_channel(dev, "rx-tx"); - if (!i2c->dmach) { + i2c->dmach = dma_request_chan(dev, "rx-tx"); + if (IS_ERR(i2c->dmach)) { dev_err(dev, "Failed to request dma\n"); - return -ENODEV; + return PTR_ERR(i2c->dmach); } platform_set_drvdata(pdev, i2c); |