linux-kernel - Re: [External] : [PATCH RFC 10/13] dmaengine: sdxi: Add PCI driver support

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Message-ID: <50af8136-5433-4a2e-8490-b1d200969cf0@oracle.com>
Date: Tue, 16 Sep 2025 22:13:28 +0530
From: ALOK TIWARI <alok.a.tiwari@...cle.com>
To: nathan.lynch@....com, Vinod Koul <vkoul@...nel.org>
Cc: Wei Huang <wei.huang2@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [External] : [PATCH RFC 10/13] dmaengine: sdxi: Add PCI driver
 support



On 9/6/2025 12:18 AM, Nathan Lynch via B4 Relay wrote:
> +static int sdxi_pci_init(struct sdxi_dev *sdxi)
> +{
> +	struct pci_dev *pdev = sdxi_to_pci_dev(sdxi);
> +	struct device *dev = &pdev->dev;
> +	int dma_bits = 64;
> +	int ret;
> +
> +	ret = pcim_enable_device(pdev);
> +	if (ret) {
> +		sdxi_err(sdxi, "pcim_enbale_device failed\n");

typo pcim_enbale_device -> pcim_enable_device

> +		return ret;
> +	}
> +
> +	pci_set_master(pdev);
> +	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(dma_bits));
> +	if (ret) {
> +		sdxi_err(sdxi, "failed to set DMA mask & coherent bits\n");
> +		return ret;
> +	}
> +
> +	ret = sdxi_pci_map(sdxi);
> +	if (ret) {
> +		sdxi_err(sdxi, "failed to map device IO resources\n");
> +		return ret;
> +	}
> +
> +	return 0;
> +}


Thanks,
Alok