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References: <20211126083119.16570-1-kishon@ti.com> <20211126083119.16570-6-kishon@ti.com>
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From:   Christian Gmeiner <christian.gmeiner@gmail.com>
Date:   Mon, 28 Feb 2022 12:38:54 +0100
Message-ID: <CAH9NwWd9K=JmsBQkt9rJShTY8zVpTashq7HGfsgc5k=ZcCyQSg@mail.gmail.com>
Subject: Re: [PATCH v2 5/5] PCI: keystone: Set DMA mask and coherent DMA mask
To:     Kishon Vijay Abraham I <kishon@ti.com>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Rob Herring <robh@kernel.org>,
        =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>,
        Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>, devicetree@vger.kernel.org
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Hi all.

Am So., 28. Nov. 2021 um 18:12 Uhr schrieb Kishon Vijay Abraham I
<kishon@ti.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@ti.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