From: Robin Murphy <robin.murphy@arm.com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
iommu@lists.linux-foundation.org
Cc: Will Deacon <will.deacon@arm.com>,
Hanjun Guo <hanjun.guo@linaro.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Joerg Roedel <joro@8bytes.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Tomasz Nowicki <tn@semihalf.com>, Jon Masters <jcm@redhat.com>,
Eric Auger <eric.auger@redhat.com>,
Sinan Kaya <okaya@codeaurora.org>,
Nate Watterson <nwatters@codeaurora.org>,
Prem Mallappa <prem.mallappa@broadcom.com>,
Dennis Chen <dennis.chen@arm.com>,
linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 05/16] drivers: iommu: arm-smmu: convert struct device of_node to fwnode usage
Date: Wed, 9 Nov 2016 14:43:18 +0000 [thread overview]
Message-ID: <7ab465a8-f1ae-91ef-12fd-50f498af3d6e@arm.com> (raw)
In-Reply-To: <20161109141948.19244-6-lorenzo.pieralisi@arm.com>
On 09/11/16 14:19, Lorenzo Pieralisi wrote:
> Current ARM SMMU driver rely on the struct device.of_node pointer for
> device look-up and iommu_ops retrieval.
>
> In preparation for ACPI probing enablement, convert the driver to use
> the struct device.fwnode member for device and iommu_ops look-up so that
> the driver infrastructure can be used also on systems that do not
> associate an of_node pointer to a struct device (eg ACPI), making the
> device look-up and iommu_ops retrieval firmware agnostic.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
> Tested-by: Tomasz Nowicki <tn@semihalf.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Hanjun Guo <hanjun.guo@linaro.org>
> Cc: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
> ---
> drivers/iommu/arm-smmu.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
> index 8f72814..8a3c2a4 100644
> --- a/drivers/iommu/arm-smmu.c
> +++ b/drivers/iommu/arm-smmu.c
> @@ -1379,13 +1379,14 @@ static bool arm_smmu_capable(enum iommu_cap cap)
>
> static int arm_smmu_match_node(struct device *dev, void *data)
> {
> - return dev->of_node == data;
> + return dev->fwnode == data;
> }
>
> -static struct arm_smmu_device *arm_smmu_get_by_node(struct device_node *np)
> +static
> +struct arm_smmu_device *arm_smmu_get_by_fwnode(struct fwnode_handle *fwnode)
> {
> struct device *dev = driver_find_device(&arm_smmu_driver.driver, NULL,
> - np, arm_smmu_match_node);
> + fwnode, arm_smmu_match_node);
> put_device(dev);
> return dev ? dev_get_drvdata(dev) : NULL;
> }
> @@ -1403,7 +1404,7 @@ static int arm_smmu_add_device(struct device *dev)
> if (ret)
> goto out_free;
> } else if (fwspec && fwspec->ops == &arm_smmu_ops) {
> - smmu = arm_smmu_get_by_node(to_of_node(fwspec->iommu_fwnode));
> + smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode);
> } else {
> return -ENODEV;
> }
> @@ -2007,7 +2008,7 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev)
> }
> }
>
> - of_iommu_set_ops(dev->of_node, &arm_smmu_ops);
> + fwnode_iommu_set_ops(dev->fwnode, &arm_smmu_ops);
> platform_set_drvdata(pdev, smmu);
> arm_smmu_device_reset(smmu);
>
>
next prev parent reply other threads:[~2016-11-09 14:43 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 14:19 [PATCH v7 00/16] ACPI IORT ARM SMMU support Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 01/16] drivers: acpi: add FWNODE_ACPI_STATIC fwnode type Lorenzo Pieralisi
2016-11-09 23:37 ` Rafael J. Wysocki
2016-11-09 14:19 ` [PATCH v7 02/16] drivers: acpi: iort: introduce linker section for IORT entries probing Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 03/16] drivers: acpi: iort: add support for IOMMU fwnode registration Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 04/16] drivers: iommu: make of_iommu_set/get_ops() DT agnostic Lorenzo Pieralisi
2016-11-09 14:40 ` Robin Murphy
2016-11-10 11:05 ` Lorenzo Pieralisi
2016-11-11 15:22 ` Joerg Roedel
2016-11-11 16:17 ` Robin Murphy
2016-11-11 16:27 ` Joerg Roedel
2016-11-11 17:43 ` Robin Murphy
2016-11-14 10:26 ` Lorenzo Pieralisi
2016-11-14 12:00 ` Robin Murphy
2016-11-14 15:52 ` Joerg Roedel
2016-11-14 16:42 ` Lorenzo Pieralisi
2016-11-14 18:25 ` Robin Murphy
2016-11-15 10:07 ` Lorenzo Pieralisi
2016-11-16 9:56 ` Lorenzo Pieralisi
2016-11-29 16:05 ` Joerg Roedel
2016-11-29 17:06 ` Will Deacon
2016-11-09 14:19 ` [PATCH v7 05/16] drivers: iommu: arm-smmu: convert struct device of_node to fwnode usage Lorenzo Pieralisi
2016-11-09 14:43 ` Robin Murphy [this message]
2016-11-09 14:19 ` [PATCH v7 06/16] drivers: iommu: arm-smmu-v3: " Lorenzo Pieralisi
2016-11-09 14:44 ` Robin Murphy
2016-11-09 14:19 ` [PATCH v7 07/16] drivers: acpi: implement acpi_dma_configure Lorenzo Pieralisi
2016-11-09 15:33 ` Robin Murphy
2016-11-16 0:55 ` Rafael J. Wysocki
2016-11-09 14:19 ` [PATCH v7 08/16] drivers: acpi: iort: add node match function Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 09/16] drivers: acpi: iort: add support for ARM SMMU platform devices creation Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 10/16] drivers: iommu: arm-smmu-v3: split probe functions into DT/generic portions Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 11/16] drivers: iommu: arm-smmu-v3: add IORT configuration Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 12/16] drivers: iommu: arm-smmu: split probe functions into DT/generic portions Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 13/16] drivers: iommu: arm-smmu: add IORT configuration Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 14/16] drivers: acpi: iort: replace rid map type with type mask Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 15/16] drivers: acpi: iort: add single mapping function Lorenzo Pieralisi
2016-11-09 14:19 ` [PATCH v7 16/16] drivers: acpi: iort: introduce iort_iommu_configure Lorenzo Pieralisi
2016-11-16 0:56 ` Rafael J. Wysocki
2016-11-09 23:36 ` [PATCH v7 00/16] ACPI IORT ARM SMMU support Rafael J. Wysocki
2016-11-10 10:58 ` Lorenzo Pieralisi
2016-11-15 10:12 ` Lorenzo Pieralisi
2016-11-15 13:04 ` Rafael J. Wysocki
2016-11-15 14:07 ` Lorenzo Pieralisi
2016-11-11 12:44 ` Hanjun Guo
2016-11-16 13:28 ` Tomasz Nowicki
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=7ab465a8-f1ae-91ef-12fd-50f498af3d6e@arm.com \
--to=robin.murphy@arm.com \
--cc=dennis.chen@arm.com \
--cc=eric.auger@redhat.com \
--cc=hanjun.guo@linaro.org \
--cc=iommu@lists.linux-foundation.org \
--cc=jcm@redhat.com \
--cc=joro@8bytes.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lorenzo.pieralisi@arm.com \
--cc=marc.zyngier@arm.com \
--cc=nwatters@codeaurora.org \
--cc=okaya@codeaurora.org \
--cc=prem.mallappa@broadcom.com \
--cc=rjw@rjwysocki.net \
--cc=tn@semihalf.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).