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| Started by | Joerg Roedel <joro@8bytes.org> |
|---|---|
| First post | 2017-02-09 12:50 +0100 |
| Last post | 2017-02-10 15:00 +0100 |
| Articles | 3 — 2 participants |
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[PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-09 12:50 +0100
Re: [PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface Marek Szyprowski <m.szyprowski@samsung.com> - 2017-02-10 14:50 +0100
Re: [PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface Joerg Roedel <joro@8bytes.org> - 2017-02-10 15:00 +0100
| From | Joerg Roedel <joro@8bytes.org> |
|---|---|
| Date | 2017-02-09 12:50 +0100 |
| Subject | [PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface |
| Message-ID | <t8VoB-5CX-5@gated-at.bofh.it> |
From: Joerg Roedel <jroedel@suse.de>
Register Exynos IOMMUs to the IOMMU core and make them
visible in sysfs. This patch does not add the links between
IOMMUs and translated devices yet.
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/exynos-iommu.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 57ba0d3..64325d8 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -276,6 +276,8 @@ struct sysmmu_drvdata {
struct list_head owner_node; /* node for owner controllers list */
phys_addr_t pgtable; /* assigned page table structure */
unsigned int version; /* our version */
+
+ struct iommu_device iommu; /* IOMMU core handle */
};
static struct exynos_iommu_domain *to_exynos_domain(struct iommu_domain *dom)
@@ -611,6 +613,18 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
data->sysmmu = dev;
spin_lock_init(&data->lock);
+ ret = iommu_device_sysfs_add(&data->iommu, &pdev->dev, NULL,
+ dev_name(data->sysmmu));
+ if (ret)
+ return ret;
+
+ iommu_device_set_ops(&data->iommu, &exynos_iommu_ops);
+ iommu_device_set_fwnode(&data->iommu, &dev->of_node->fwnode);
+
+ ret = iommu_device_register(&data->iommu);
+ if (ret)
+ return ret;
+
platform_set_drvdata(pdev, data);
__sysmmu_get_version(data);
--
1.9.1
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| From | Marek Szyprowski <m.szyprowski@samsung.com> |
|---|---|
| Date | 2017-02-10 14:50 +0100 |
| Subject | Re: [PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface |
| Message-ID | <t9jKi-41W-9@gated-at.bofh.it> |
| In reply to | #1577493 |
Hi
On 2017-02-09 12:32, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
>
> Register Exynos IOMMUs to the IOMMU core and make them
> visible in sysfs. This patch does not add the links between
> IOMMUs and translated devices yet.
>
> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-samsung-soc@vger.kernel.org
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/iommu/exynos-iommu.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index 57ba0d3..64325d8 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -276,6 +276,8 @@ struct sysmmu_drvdata {
> struct list_head owner_node; /* node for owner controllers list */
> phys_addr_t pgtable; /* assigned page table structure */
> unsigned int version; /* our version */
> +
> + struct iommu_device iommu; /* IOMMU core handle */
> };
>
> static struct exynos_iommu_domain *to_exynos_domain(struct iommu_domain *dom)
> @@ -611,6 +613,18 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
> data->sysmmu = dev;
> spin_lock_init(&data->lock);
>
> + ret = iommu_device_sysfs_add(&data->iommu, &pdev->dev, NULL,
> + dev_name(data->sysmmu));
> + if (ret)
> + return ret;
> +
> + iommu_device_set_ops(&data->iommu, &exynos_iommu_ops);
> + iommu_device_set_fwnode(&data->iommu, &dev->of_node->fwnode);
> +
> + ret = iommu_device_register(&data->iommu);
> + if (ret)
> + return ret;
> +
> platform_set_drvdata(pdev, data);
>
> __sysmmu_get_version(data);
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
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| From | Joerg Roedel <joro@8bytes.org> |
|---|---|
| Date | 2017-02-10 15:00 +0100 |
| Subject | Re: [PATCH 10/11] iommu/exynos: Make use of iommu_device_register interface |
| Message-ID | <t9jTY-45O-13@gated-at.bofh.it> |
| In reply to | #1578461 |
On Fri, Feb 10, 2017 at 02:46:59PM +0100, Marek Szyprowski wrote: > Hi > > On 2017-02-09 12:32, Joerg Roedel wrote: > >From: Joerg Roedel <jroedel@suse.de> > > > >Register Exynos IOMMUs to the IOMMU core and make them > >visible in sysfs. This patch does not add the links between > >IOMMUs and translated devices yet. > > > >Cc: Marek Szyprowski <m.szyprowski@samsung.com> > >Cc: linux-arm-kernel@lists.infradead.org > >Cc: linux-samsung-soc@vger.kernel.org > >Signed-off-by: Joerg Roedel <jroedel@suse.de> > > Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> > Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Thanks a lot for testing!
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