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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-17 09:33:05 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-12-27 18:18:03 +0800 |
| commit | 8004865c2e7bc9574d5ddfc99fe2a90eca840b17 (patch) | |
| tree | d4f02ee3000d104fd1ef48714f346b2b6080aec3 | |
| parent | aa127963f1cab2b93c74c9b128a84610203fb674 (diff) | |
| download | linux-8004865c2e7bc9574d5ddfc99fe2a90eca840b17.tar.bz2 | |
crypto: img-hash - 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: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/img-hash.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index fe4cc8babe1c..25d5227f74a1 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -332,10 +332,10 @@ static int img_hash_dma_init(struct img_hash_dev *hdev) struct dma_slave_config dma_conf; int err = -EINVAL; - hdev->dma_lch = dma_request_slave_channel(hdev->dev, "tx"); - if (!hdev->dma_lch) { + hdev->dma_lch = dma_request_chan(hdev->dev, "tx"); + if (IS_ERR(hdev->dma_lch)) { dev_err(hdev->dev, "Couldn't acquire a slave DMA channel.\n"); - return -EBUSY; + return PTR_ERR(hdev->dma_lch); } dma_conf.direction = DMA_MEM_TO_DEV; dma_conf.dst_addr = hdev->bus_addr; |