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From: Rob Herring <robh@kernel.org>
To: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Jingoo Han <jingoohan1@gmail.com>,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Masami Hiramatsu <masami.hiramatsu@linaro.org>,
	Jassi Brar <jaswinder.singh@linaro.org>
Subject: Re: [PATCH v2 4/5] PCI: uniphier: Add iATU register support
Date: Mon, 1 Jun 2020 15:32:15 -0600	[thread overview]
Message-ID: <20200601213215.GA1521885@bogus> (raw)
In-Reply-To: <1589536743-6684-5-git-send-email-hayashi.kunihiko@socionext.com>

On Fri, May 15, 2020 at 06:59:02PM +0900, Kunihiko Hayashi wrote:
> This gets iATU register area from reg property. In Synopsis DWC version
> 4.80 or later, since iATU register area is separated from core register
> area, this area is necessary to get from DT independently.
> 
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> ---
>  drivers/pci/controller/dwc/pcie-uniphier.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c
> index a8dda39..493f105 100644
> --- a/drivers/pci/controller/dwc/pcie-uniphier.c
> +++ b/drivers/pci/controller/dwc/pcie-uniphier.c
> @@ -447,6 +447,13 @@ static int uniphier_pcie_probe(struct platform_device *pdev)
>  	if (IS_ERR(priv->pci.dbi_base))
>  		return PTR_ERR(priv->pci.dbi_base);
>  
> +	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "atu");
> +	if (res) {
> +		priv->pci.atu_base = devm_pci_remap_cfg_resource(dev, res);

This isn't config space, so this function shouldn't be used.

Use devm_platform_ioremap_resource_byname().

> +		if (IS_ERR(priv->pci.atu_base))
> +			priv->pci.atu_base = NULL;
> +	}
> +
>  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "link");
>  	priv->base = devm_ioremap_resource(dev, res);

Feel free to convert this one too.

>  	if (IS_ERR(priv->base))
> -- 
> 2.7.4
> 

  parent reply	other threads:[~2020-06-01 21:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-15  9:58 [PATCH v2 0/5] PCI: uniphier: Add features for UniPhier PCIe host controller Kunihiko Hayashi
2020-05-15  9:58 ` [PATCH v2 1/5] PCI: dwc: Add msi_host_isr() callback Kunihiko Hayashi
2020-05-15 13:20   ` Gustavo Pimentel
2020-05-15  9:59 ` [PATCH v2 2/5] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Kunihiko Hayashi
2020-05-15 13:21   ` Gustavo Pimentel
2020-05-15  9:59 ` [PATCH v2 3/5] dt-bindings: PCI: uniphier: Add iATU register description Kunihiko Hayashi
2020-05-28 19:25   ` Rob Herring
2020-05-15  9:59 ` [PATCH v2 4/5] PCI: uniphier: Add iATU register support Kunihiko Hayashi
2020-05-15 13:16   ` Gustavo Pimentel
2020-05-18 10:05     ` Kunihiko Hayashi
2020-06-01 21:32   ` Rob Herring [this message]
2020-06-02  9:07     ` Kunihiko Hayashi
2020-05-15  9:59 ` [PATCH v2 5/5] PCI: uniphier: Add error message when failed to get phy Kunihiko Hayashi
2020-06-01 21:43   ` Rob Herring
2020-06-02  9:07     ` Kunihiko Hayashi

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