Date: Thu, 12 Nov 2015 01:20:56 +0000 (GMT)
From: Jongman Heo <jongman.heo@samsung.com>
Subject: Re: Re: [4.4 regression] 46a7fd8a : pcnet32: use pci_set_dma_mask
	insted of pci_dma_supported
To: Christoph Hellwig <hch@lst.de>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "pcnet32@frontier.com" <pcnet32@frontier.com>
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> 
> ------- Original Message -------
> Sender : Christoph Hellwig<hch@lst.de>
> Date : 2015-11-11 20:58 (GMT+09:00)
> Title : Re: [4.4 regression] 46a7fd8a : pcnet32: use pci_set_dma_mask insted of pci_dma_supported
> 
> Can you try the patch below?
> 
> diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
> index e2afabf..7ccebae 100644
> --- a/drivers/net/ethernet/amd/pcnet32.c
> +++ b/drivers/net/ethernet/amd/pcnet32.c
> @@ -1500,10 +1500,11 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent)
> return -ENODEV;
> }
> 
> - if (!pci_set_dma_mask(pdev, PCNET32_DMA_MASK)) {
> + err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK);
> + if (err) {
> if (pcnet32_debug & NETIF_MSG_PROBE)
> pr_err("architecture does not support 32bit PCI busmaster DMA\n");
> - return -ENODEV;
> + return err;
> }
> if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) {
> if (pcnet32_debug & NETIF_MSG_PROBE)
> 

Yes, now ethernet device works with the patch.

Thanks,
Jongman Heo.????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m????????????I?