linux-kernel - Re: [PATCH v2 5/5] PCI: keystone: Set DMA mask and coherent DMA mask

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAH9NwWd9K=JmsBQkt9rJShTY8zVpTashq7HGfsgc5k=ZcCyQSg@mail.gmail.com>
Date:   Mon, 28 Feb 2022 12:38:54 +0100
From:   Christian Gmeiner <christian.gmeiner@...il.com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 5/5] PCI: keystone: Set DMA mask and coherent DMA mask

Hi all.

Am So., 28. Nov. 2021 um 18:12 Uhr schrieb Kishon Vijay Abraham I
<kishon@...com>:
>
> Set DMA mask and coherent DMA mask such to indicate the device
> can address the entire address space (32-bit in the case of
> K2G and 48-bit in the case of AM654).
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  drivers/pci/controller/dwc/pci-keystone.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
> index 73e6626a0d8f..80dbab267f7b 100644
> --- a/drivers/pci/controller/dwc/pci-keystone.c
> +++ b/drivers/pci/controller/dwc/pci-keystone.c
> @@ -1224,6 +1224,11 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
>                 return ret;
>         }
>
> +       if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48))) {
> +               dev_err(dev, "Cannot set DMA mask\n");
> +               return -EINVAL;
> +       }
> +
>         ret = of_property_read_u32(np, "num-lanes", &num_lanes);
>         if (ret)
>                 num_lanes = 1;
> --
> 2.17.1
>

Can this single patch (from the whole series) be merged?

-- 
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy