From: Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Rafael J . Wysocki"
<rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"open list:IOMMU DRIVERS"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-arm-msm
<linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v9 1/5] driver core: Find an existing link between two devices
Date: Tue, 13 Mar 2018 16:04:09 +0530 [thread overview]
Message-ID: <CAFp+6iH3R2j0_vboSV6-0k7vQFaZ66iNiTcV3_qSbBGXdM=S_A@mail.gmail.com> (raw)
In-Reply-To: <CAAFQd5DXvnjaFw4Ct1Xn90nQZ4F4dLtov0ymG-tycQt5oLNpiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Hi Tomasz,
On Tue, Mar 13, 2018 at 3:45 PM, Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> wrote:
> Hi Vivek,
>
> Thanks for the patch.
>
> On Tue, Mar 13, 2018 at 5:55 PM, Vivek Gautam
> <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
>> The lists managing the device-links can be traversed to
>> find the link between two devices. The device_link_add() APIs
>> does traverse these lists to check if there's already a link
>> setup between the two devices.
>> So, add a new APIs, device_link_find(), to find an existing
>> device link between two devices - suppliers and consumers.
>
> I'm wondering if this API would be useful for anything else that the
> problem we're trying to solve with deleting links without storing them
> anywhere. Perhaps a device_link_del_dev(consumer, supplier) would be a
> better alternative?
Yea, that sounds simpler i think. Will add this API instead of
find_link(). Thanks.
regards
vivek
>
> Best regards,
> Tomasz
> --
> To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: Vivek Gautam <vivek.gautam@codeaurora.org>
To: Tomasz Figa <tfiga@chromium.org>
Cc: Joerg Roedel <joro@8bytes.org>, Rob Herring <robh+dt@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
"open list:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
devicetree@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Will Deacon <will.deacon@arm.com>,
Rob Clark <robdclark@gmail.com>,
Sricharan R <sricharan@codeaurora.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Archit Taneja <architt@codeaurora.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v9 1/5] driver core: Find an existing link between two devices
Date: Tue, 13 Mar 2018 16:04:09 +0530 [thread overview]
Message-ID: <CAFp+6iH3R2j0_vboSV6-0k7vQFaZ66iNiTcV3_qSbBGXdM=S_A@mail.gmail.com> (raw)
In-Reply-To: <CAAFQd5DXvnjaFw4Ct1Xn90nQZ4F4dLtov0ymG-tycQt5oLNpiQ@mail.gmail.com>
Hi Tomasz,
On Tue, Mar 13, 2018 at 3:45 PM, Tomasz Figa <tfiga@chromium.org> wrote:
> Hi Vivek,
>
> Thanks for the patch.
>
> On Tue, Mar 13, 2018 at 5:55 PM, Vivek Gautam
> <vivek.gautam@codeaurora.org> wrote:
>> The lists managing the device-links can be traversed to
>> find the link between two devices. The device_link_add() APIs
>> does traverse these lists to check if there's already a link
>> setup between the two devices.
>> So, add a new APIs, device_link_find(), to find an existing
>> device link between two devices - suppliers and consumers.
>
> I'm wondering if this API would be useful for anything else that the
> problem we're trying to solve with deleting links without storing them
> anywhere. Perhaps a device_link_del_dev(consumer, supplier) would be a
> better alternative?
Yea, that sounds simpler i think. Will add this API instead of
find_link(). Thanks.
regards
vivek
>
> Best regards,
> Tomasz
> --
> To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2018-03-13 10:34 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 8:55 [PATCH v9 0/5] iommu/arm-smmu: Add runtime pm/sleep support Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
[not found] ` <20180313085534.11650-1-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-03-13 8:55 ` [PATCH v9 1/5] driver core: Find an existing link between two devices Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
2018-03-13 9:40 ` Rafael J. Wysocki
[not found] ` <8903307.QazHKW0JrR-yvgW3jdyMHm1GS7QM15AGw@public.gmane.org>
2018-03-13 9:55 ` Vivek Gautam
2018-03-13 9:55 ` Vivek Gautam
[not found] ` <CAFp+6iE=0PD6fZZVd+bC1Z95Lkt=X-F4YOXz8EtdiXL=jsC1RA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-13 12:49 ` Robin Murphy
2018-03-13 12:49 ` Robin Murphy
[not found] ` <4eaf2006-ea68-d9e9-a0db-89acec0ea299-5wv7dgnIgG8@public.gmane.org>
2018-03-13 14:39 ` Vivek Gautam
2018-03-13 14:39 ` Vivek Gautam
[not found] ` <20180313085534.11650-2-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-03-13 9:58 ` Vivek Gautam
2018-03-13 9:58 ` Vivek Gautam
2018-03-13 10:15 ` Tomasz Figa
[not found] ` <CAAFQd5DXvnjaFw4Ct1Xn90nQZ4F4dLtov0ymG-tycQt5oLNpiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-13 10:34 ` Vivek Gautam [this message]
2018-03-13 10:34 ` Vivek Gautam
2018-03-13 11:23 ` Tomasz Figa
[not found] ` <CAAFQd5A5Rj1KAZjUc5ZUKuKnbkA5Q6aLw9z0H3_kfyBQOOF-gw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-14 11:12 ` Rafael J. Wysocki
2018-03-14 11:12 ` Rafael J. Wysocki
[not found] ` <2217404.A2W3Iek6du-yvgW3jdyMHm1GS7QM15AGw@public.gmane.org>
2018-03-14 11:50 ` Tomasz Figa
2018-03-14 11:50 ` Tomasz Figa
[not found] ` <CAAFQd5CQXY0Efv+2MC1kTVW5q4eZjJ=gwVaR-LA=3agnSSHzUw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-14 11:57 ` Rafael J. Wysocki
2018-03-14 11:57 ` Rafael J. Wysocki
[not found] ` <2705105.V6KYPvoJqj-yvgW3jdyMHm1GS7QM15AGw@public.gmane.org>
2018-03-14 12:14 ` Robin Murphy
2018-03-14 12:14 ` Robin Murphy
2018-03-14 12:27 ` Lukas Wunner
[not found] ` <20180314122759.GB19651-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2018-03-20 7:56 ` Vivek Gautam
2018-03-20 7:56 ` Vivek Gautam
2018-03-14 12:23 ` Lukas Wunner
2018-03-13 8:55 ` [PATCH v9 2/5] iommu/arm-smmu: Add pm_runtime/sleep ops Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
2018-03-13 8:55 ` [PATCH v9 3/5] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
[not found] ` <20180313085534.11650-4-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-03-14 17:46 ` Robin Murphy
2018-03-14 17:46 ` Robin Murphy
[not found] ` <77ed3675-0af0-b36a-5f76-b920d7a4c8e0-5wv7dgnIgG8@public.gmane.org>
2018-03-15 7:17 ` Tomasz Figa
2018-03-15 7:17 ` Tomasz Figa
2018-03-20 9:49 ` Vivek Gautam
2018-03-20 9:49 ` Vivek Gautam
2018-03-13 8:55 ` [PATCH v9 4/5] iommu/arm-smmu: Add the device_link between masters and smmu Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
[not found] ` <20180313085534.11650-5-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-03-14 17:50 ` Robin Murphy
2018-03-14 17:50 ` Robin Murphy
[not found] ` <8b427ea2-5c13-4712-13d1-e4c1aed0779e-5wv7dgnIgG8@public.gmane.org>
2018-03-15 6:18 ` Tomasz Figa
2018-03-15 6:18 ` Tomasz Figa
[not found] ` <CAAFQd5AqERQMLsJNLAsVXox79kZ+ZtpCUuMSutn70FGK-3Q7vw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-15 10:44 ` Robin Murphy
2018-03-15 10:44 ` Robin Murphy
2018-03-15 8:57 ` Vivek Gautam
2018-03-15 8:57 ` Vivek Gautam
[not found] ` <CAFp+6iEFDXKdS_mTgrrpCX2isMAT3XJifRV0FYxV+PFpVGV=2w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-15 11:12 ` Robin Murphy
2018-03-15 11:12 ` Robin Murphy
2018-03-13 8:55 ` [PATCH v9 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Vivek Gautam
2018-03-13 8:55 ` Vivek Gautam
[not found] ` <61d30fff-1bf8-d2c1-bbe9-f93de836ae77@huawei.com>
[not found] ` <7d5af071-ef98-8461-3ce9-e84fc0b3956a@codeaurora.org>
[not found] ` <7d5af071-ef98-8461-3ce9-e84fc0b3956a-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-03-28 6:11 ` Yisheng Xie
2018-03-28 6:11 ` Yisheng Xie
[not found] ` <d97872fe-5e8e-cc27-e385-64cea8ea2458-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-04-10 13:14 ` [PATCH v9 5/5] iommu/arm-smmu: Add support for qcom, smmu-v2 variant Tomasz Figa
2018-04-10 13:14 ` [PATCH v9 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Tomasz Figa
[not found] ` <CAAFQd5Cj3qaqt8ACabZwN4ZKaNbF9N9suGVaOKD8-kNxgfeeVA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-04-11 1:22 ` Yisheng Xie
2018-04-11 1:22 ` Yisheng Xie
[not found] ` <65a57964-805b-3a38-71a2-0c383af30539-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2018-04-11 5:15 ` Vivek Gautam
2018-04-11 5:15 ` Vivek Gautam
[not found] ` <ff1c730f-0009-58e5-cf4a-45fe9ab93d1e-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-04-12 1:55 ` Yisheng Xie
2018-04-12 1:55 ` Yisheng Xie
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