From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-mediatek@lists.infradead.org,
virtualization@lists.linux-foundation.org,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Hanjun Guo <guohanjun@huawei.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 02/15] ACPI/IORT: Remove direct access of dev->iommu_fwspec
Date: Mon, 16 Mar 2020 16:40:03 +0100 [thread overview]
Message-ID: <20200316154003.GC304669@myrica> (raw)
In-Reply-To: <20200310091229.29830-3-joro@8bytes.org>
On Tue, Mar 10, 2020 at 10:12:16AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
>
> Use the accessor functions instead of directly dereferencing
> dev->iommu_fwspec.
>
> Tested-by: Hanjun Guo <guohanjun@huawei.com>
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> ---
> drivers/acpi/arm64/iort.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index ed3d2d1a7ae9..7d04424189df 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -1015,6 +1015,7 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev)
> return ops;
>
> if (dev_is_pci(dev)) {
> + struct iommu_fwspec *fwspec;
> struct pci_bus *bus = to_pci_dev(dev)->bus;
> struct iort_pci_alias_info info = { .dev = dev };
>
> @@ -1027,8 +1028,9 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev)
> err = pci_for_each_dma_alias(to_pci_dev(dev),
> iort_pci_iommu_init, &info);
>
> - if (!err && iort_pci_rc_supports_ats(node))
> - dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
> + fwspec = dev_iommu_fwspec_get(dev);
> + if (fwspec && iort_pci_rc_supports_ats(node))
> + fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
> } else {
> int i = 0;
>
> --
> 2.17.1
>
next prev parent reply other threads:[~2020-03-16 15:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 9:12 [PATCH 00/15 v2] iommu: Move iommu_fwspec out of 'struct device' Joerg Roedel
2020-03-10 9:12 ` [PATCH 01/15] iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API Joerg Roedel
2020-03-16 15:39 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 02/15] ACPI/IORT: Remove direct access of dev->iommu_fwspec Joerg Roedel
2020-03-16 15:40 ` Jean-Philippe Brucker [this message]
2020-03-10 9:12 ` [PATCH 03/15] drm/msm/mdp5: " Joerg Roedel
2020-03-16 15:42 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 04/15] iommu/tegra-gart: " Joerg Roedel
2020-03-16 15:42 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 05/15] iommu: Rename struct iommu_param to dev_iommu Joerg Roedel
2020-03-16 15:45 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 06/15] iommu: Move iommu_fwspec to struct dev_iommu Joerg Roedel
2020-03-16 15:46 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 07/15] iommu/arm-smmu: Fix uninitilized variable warning Joerg Roedel
2020-03-16 15:47 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 08/15] iommu: Introduce accessors for iommu private data Joerg Roedel
2020-03-16 15:47 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 09/15] iommu/arm-smmu-v3: Use accessor functions " Joerg Roedel
2020-03-16 15:49 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 10/15] iommu/arm-smmu: " Joerg Roedel
2020-03-16 17:55 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 11/15] iommu/renesas: " Joerg Roedel
2020-03-16 15:50 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 12/15] iommu/mediatek: " Joerg Roedel
2020-03-16 15:51 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 13/15] iommu/qcom: " Joerg Roedel
2020-03-16 15:52 ` Jean-Philippe Brucker
2020-03-19 13:11 ` Joerg Roedel
2020-03-10 9:12 ` [PATCH 14/15] iommu/virtio: " Joerg Roedel
2020-03-16 15:56 ` Jean-Philippe Brucker
2020-03-10 9:12 ` [PATCH 15/15] iommu: Move fwspec->iommu_priv to struct dev_iommu Joerg Roedel
2020-03-16 15:57 ` Jean-Philippe Brucker
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