mtd: rawnand: marvell: Use dma_request_chan() instead dma_request_slave_channel() (cf9e2389) · Commits · 戴 / test

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/20200227123749.24064-4-peter.ujfalusi@ti.com

drivers/mtd/nand/raw/marvell_nand.c

+8 −5

Original line number	Diff line number	Diff line
		@@ -2743,11 +2743,14 @@ static int marvell_nfc_init_dma(struct marvell_nfc *nfc)
		if (ret)
		return ret;

		nfc->dma_chan = dma_request_slave_channel(nfc->dev, "data");
		if (!nfc->dma_chan) {
		dev_err(nfc->dev,
		"Unable to request data DMA channel\n");
		return -ENODEV;
		nfc->dma_chan = dma_request_chan(nfc->dev, "data");
		if (IS_ERR(nfc->dma_chan)) {
		ret = PTR_ERR(nfc->dma_chan);
		nfc->dma_chan = NULL;
		if (ret != -EPROBE_DEFER)
		dev_err(nfc->dev, "DMA channel request failed: %d\n",
		ret);
		return ret;
		}

		r = platform_get_resource(pdev, IORESOURCE_MEM, 0);

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