All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hanjun Guo <guohanjun@huawei.com>
To: Christoph Hellwig <hch@lst.de>, <will.deacon@arm.com>
Cc: <jean-philippe.brucker@arm.com>, <lorenzo.pieralisi@arm.com>,
	<linux-acpi@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API
Date: Mon, 20 May 2019 18:34:04 +0800	[thread overview]
Message-ID: <dc52ba2d-76d7-ebb1-7284-bdcd71f6e010@huawei.com> (raw)
In-Reply-To: <20190520065746.17068-1-hch@lst.de>

On 2019/5/20 14:57, Christoph Hellwig wrote:
> IOMMU_FWSPEC_PCI_RC_ATS is only defined if CONFIG_IOMMU_API is
> enabled.
> 
> Fixes: 5702ee24182f ("ACPI/IORT: Check ATS capability in root complex nodes")
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  drivers/acpi/arm64/iort.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index 9058cb084b91..3e542b5d2a2d 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -1074,9 +1074,10 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev)
>  		info.node = node;
>  		err = pci_for_each_dma_alias(to_pci_dev(dev),
>  					     iort_pci_iommu_init, &info);
> -
> +#ifdef CONFIG_IOMMU_API
>  		if (!err && iort_pci_rc_supports_ats(node))
>  			dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
> +#endif
>  	} else {
>  		int i = 0;

This was reported, please refer to this patch from Lorenzo:

https://patchwork.kernel.org/patch/10946845/

Thanks
Hanjun


WARNING: multiple messages have this Message-ID (diff)
From: Hanjun Guo <guohanjun@huawei.com>
To: Christoph Hellwig <hch@lst.de>, <will.deacon@arm.com>
Cc: jean-philippe.brucker@arm.com, linux-acpi@vger.kernel.org,
	lorenzo.pieralisi@arm.com, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API
Date: Mon, 20 May 2019 18:34:04 +0800	[thread overview]
Message-ID: <dc52ba2d-76d7-ebb1-7284-bdcd71f6e010@huawei.com> (raw)
In-Reply-To: <20190520065746.17068-1-hch@lst.de>

On 2019/5/20 14:57, Christoph Hellwig wrote:
> IOMMU_FWSPEC_PCI_RC_ATS is only defined if CONFIG_IOMMU_API is
> enabled.
> 
> Fixes: 5702ee24182f ("ACPI/IORT: Check ATS capability in root complex nodes")
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  drivers/acpi/arm64/iort.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index 9058cb084b91..3e542b5d2a2d 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -1074,9 +1074,10 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev)
>  		info.node = node;
>  		err = pci_for_each_dma_alias(to_pci_dev(dev),
>  					     iort_pci_iommu_init, &info);
> -
> +#ifdef CONFIG_IOMMU_API
>  		if (!err && iort_pci_rc_supports_ats(node))
>  			dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
> +#endif
>  	} else {
>  		int i = 0;

This was reported, please refer to this patch from Lorenzo:

https://patchwork.kernel.org/patch/10946845/

Thanks
Hanjun


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-05-20 10:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20  6:57 [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API Christoph Hellwig
2019-05-20  6:57 ` Christoph Hellwig
2019-05-20 10:34 ` Hanjun Guo [this message]
2019-05-20 10:34   ` Hanjun Guo
2019-05-22 12:54 ` Will Deacon
2019-05-22 12:54   ` Will Deacon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=dc52ba2d-76d7-ebb1-7284-bdcd71f6e010@huawei.com \
    --to=guohanjun@huawei.com \
    --cc=hch@lst.de \
    --cc=jean-philippe.brucker@arm.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.