diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c index cfc8e0e37beec8f1ece81ba9d891fc5a9efb0118..167b80eec437f40f564c86848e17897b2086a99f 100644 --- a/drivers/crypto/stm32/stm32-hash.c +++ b/drivers/crypto/stm32/stm32-hash.c @@ -518,10 +518,10 @@ static int stm32_hash_dma_init(struct stm32_hash_dev *hdev) dma_conf.dst_maxburst = hdev->dma_maxburst; dma_conf.device_fc = false; - hdev->dma_lch = dma_request_slave_channel(hdev->dev, "in"); - if (!hdev->dma_lch) { + hdev->dma_lch = dma_request_chan(hdev->dev, "in"); + 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); } err = dmaengine_slave_config(hdev->dma_lch, &dma_conf);