From: Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> To: joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org Subject: [PATCH v16 3/5] iommu/arm-smmu: Add the device_link between masters and smmu Date: Thu, 30 Aug 2018 20:15:39 +0530 [thread overview] Message-ID: <20180830144541.17740-4-vivek.gautam@codeaurora.org> (raw) In-Reply-To: <20180830144541.17740-1-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> From: Sricharan R <sricharan@codeaurora.org> Finally add the device link between the master device and smmu, so that the smmu gets runtime enabled/disabled only when the master needs it. This is done from add_device callback which gets called once when the master is added to the smmu. Signed-off-by: Sricharan R <sricharan@codeaurora.org> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> --- drivers/iommu/arm-smmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 1bf542010be7..166c8c6da24f 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1461,6 +1461,9 @@ static int arm_smmu_add_device(struct device *dev) iommu_device_link(&smmu->iommu, dev); + device_link_add(dev, smmu->dev, + DL_FLAG_PM_RUNTIME | DL_FLAG_AUTOREMOVE_SUPPLIER); + return 0; out_cfg_free: -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation _______________________________________________ Freedreno mailing list Freedreno@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/freedreno
WARNING: multiple messages have this Message-ID (diff)
From: Vivek Gautam <vivek.gautam@codeaurora.org> To: joro@8bytes.org, robh+dt@kernel.org, robin.murphy@arm.com, will.deacon@arm.com, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: alex.williamson@redhat.com, mark.rutland@arm.com, rjw@rjwysocki.net, robdclark@gmail.com, linux-pm@vger.kernel.org, freedreno@lists.freedesktop.org, sboyd@kernel.org, tfiga@chromium.org, jcrouse@codeaurora.org, sricharan@codeaurora.org, m.szyprowski@samsung.com, architt@codeaurora.org, linux-arm-msm@vger.kernel.org, Vivek Gautam <vivek.gautam@codeaurora.org> Subject: [PATCH v16 3/5] iommu/arm-smmu: Add the device_link between masters and smmu Date: Thu, 30 Aug 2018 20:15:39 +0530 [thread overview] Message-ID: <20180830144541.17740-4-vivek.gautam@codeaurora.org> (raw) In-Reply-To: <20180830144541.17740-1-vivek.gautam@codeaurora.org> From: Sricharan R <sricharan@codeaurora.org> Finally add the device link between the master device and smmu, so that the smmu gets runtime enabled/disabled only when the master needs it. This is done from add_device callback which gets called once when the master is added to the smmu. Signed-off-by: Sricharan R <sricharan@codeaurora.org> Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> --- drivers/iommu/arm-smmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 1bf542010be7..166c8c6da24f 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1461,6 +1461,9 @@ static int arm_smmu_add_device(struct device *dev) iommu_device_link(&smmu->iommu, dev); + device_link_add(dev, smmu->dev, + DL_FLAG_PM_RUNTIME | DL_FLAG_AUTOREMOVE_SUPPLIER); + return 0; out_cfg_free: -- 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:[~2018-08-30 14:45 UTC|newest] Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-08-30 14:45 [PATCH v16 0/5] iommu/arm-smmu: Add runtime pm/sleep support Vivek Gautam 2018-08-30 14:45 ` Vivek Gautam [not found] ` <20180830144541.17740-1-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-08-30 14:45 ` [PATCH v16 1/5] iommu/arm-smmu: Add pm_runtime/sleep ops Vivek Gautam 2018-08-30 14:45 ` Vivek Gautam [not found] ` <20180830144541.17740-2-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-09-26 15:27 ` Robin Murphy 2018-09-26 15:27 ` Robin Murphy [not found] ` <1a918f99-83b0-2f51-7634-126639a220de-5wv7dgnIgG8@public.gmane.org> 2018-09-27 8:31 ` Vivek Gautam 2018-09-27 8:31 ` Vivek Gautam 2018-09-28 11:59 ` Ulf Hansson 2018-10-01 5:49 ` Vivek Gautam 2018-10-01 5:49 ` Vivek Gautam [not found] ` <CAFp+6iHZysBmMZj+pZghPocEwDzU7KfR1gLQAQRBui+-gdiSTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-01 9:38 ` Ulf Hansson 2018-10-01 9:38 ` Ulf Hansson [not found] ` <CAPDyKFrCWaeDLbmbrRb23V_mRk8doBjM3u2X9tm0XNXm=-n5vA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-01 10:21 ` Vivek Gautam 2018-10-01 10:21 ` Vivek Gautam 2018-10-01 10:32 ` Vivek Gautam 2018-10-01 10:32 ` Vivek Gautam [not found] ` <CAFp+6iFJbQZ1MrNWD6g+GNp9TOMXuq0oDdzQ9XUMTmY67tNgWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-01 12:02 ` Ulf Hansson 2018-10-01 12:02 ` Ulf Hansson 2018-08-30 14:45 ` [PATCH v16 2/5] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Vivek Gautam 2018-08-30 14:45 ` Vivek Gautam [not found] ` <20180830144541.17740-3-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-09-07 9:16 ` Tomasz Figa 2018-09-07 9:16 ` Tomasz Figa [not found] ` <CAAFQd5B7YR03Jm1upOg2nsaKOb1iDD7-WGo-qx7S8m-nounCvA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-09-07 9:38 ` Vivek Gautam 2018-09-07 9:38 ` Vivek Gautam 2018-09-07 9:52 ` Tomasz Figa 2018-09-07 9:52 ` Tomasz Figa [not found] ` <CAAFQd5DMDWEeBU=fg6arye3pXnrCqOA4tDtMSGutXk7vSz-EtQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-09-07 10:22 ` Vivek Gautam 2018-09-07 10:22 ` Vivek Gautam [not found] ` <CAFp+6iE3+qn6-gpXEzxfoP5yPMARmUcJNn0AZk-kA2AreTLnng-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-09-18 3:11 ` Vivek Gautam 2018-09-18 3:11 ` Vivek Gautam [not found] ` <CAFp+6iHnHj_PkPFBUSTdJTW57K51wLqSEw6VOMKxAVo7O+ms9g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-09-25 5:56 ` Vivek Gautam 2018-09-25 5:56 ` Vivek Gautam [not found] ` <CAFp+6iFvhdSq7upbvsEWgMewhAaaRM91iw9p7qOFPYrUxis0Hg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-09-25 18:55 ` Robin Murphy 2018-09-25 18:55 ` Robin Murphy [not found] ` <aedf3f32-68ae-566a-3735-ca4ec5c7559a-5wv7dgnIgG8@public.gmane.org> 2018-09-26 6:22 ` Vivek Gautam 2018-09-26 6:22 ` Vivek Gautam 2018-09-26 15:42 ` Robin Murphy 2018-09-26 15:42 ` Robin Murphy 2018-10-01 12:58 ` Will Deacon 2018-10-01 12:58 ` Will Deacon [not found] ` <20181001125854.GB31488-5wv7dgnIgG8@public.gmane.org> 2018-10-02 4:14 ` Vivek Gautam 2018-10-02 4:14 ` Vivek Gautam [not found] ` <CAFp+6iGkudBtZFfk4ST+k9OMRSGgU=pzVGC4QaSmPb+Xkdp3Xw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-02 5:28 ` Vivek Gautam 2018-10-02 5:28 ` Vivek Gautam [not found] ` <CAFp+6iFpm05Uu8HkYCC+O+gYwFwvxirc6=e6oOed+ZJk6QLDPw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-02 7:12 ` [PATCH v17 " Vivek Gautam 2018-10-02 7:12 ` Vivek Gautam 2018-10-02 7:12 ` Vivek Gautam 2018-08-30 14:45 ` Vivek Gautam [this message] 2018-08-30 14:45 ` [PATCH v16 3/5] iommu/arm-smmu: Add the device_link between masters and smmu Vivek Gautam [not found] ` <20180830144541.17740-4-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-09-26 15:44 ` Robin Murphy 2018-09-26 15:44 ` Robin Murphy 2018-08-30 14:45 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Vivek Gautam 2018-08-30 14:45 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Vivek Gautam [not found] ` <20180830144541.17740-5-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-09-06 3:52 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Vivek Gautam 2018-09-06 3:52 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Vivek Gautam 2018-09-10 18:02 ` Rob Herring 2018-09-10 18:02 ` Rob Herring 2018-09-11 8:34 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Vivek Gautam 2018-09-11 8:34 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Vivek Gautam 2018-09-26 15:46 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Robin Murphy 2018-09-26 15:46 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Robin Murphy 2018-10-01 12:18 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Will Deacon 2018-10-01 12:18 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Will Deacon 2018-10-01 17:36 ` Rob Herring [not found] ` <CAL_Jsq+dSGXCiWsjLt00wu=s-ZW8M1pkQqKFWboc54M8gHFTYg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-10-01 17:45 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom, smmu-v2 Will Deacon 2018-10-01 17:45 ` [PATCH v16 4/5] dt-bindings: arm-smmu: Add bindings for qcom,smmu-v2 Will Deacon 2018-08-30 14:45 ` [PATCH v16 5/5] iommu/arm-smmu: Add support for qcom, smmu-v2 variant Vivek Gautam 2018-08-30 14:45 ` [PATCH v16 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Vivek Gautam [not found] ` <20180830144541.17740-6-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-09-26 15:59 ` [PATCH v16 5/5] iommu/arm-smmu: Add support for qcom, smmu-v2 variant Robin Murphy 2018-09-26 15:59 ` [PATCH v16 5/5] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Robin Murphy 2018-09-27 6:55 ` Vivek Gautam 2018-09-27 6:55 ` Vivek Gautam 2018-09-28 13:57 ` [PATCH v16 0/5] iommu/arm-smmu: Add runtime pm/sleep support Will Deacon 2018-09-28 13:57 ` Will Deacon 2018-10-01 9:06 ` Vivek Gautam 2018-10-01 9:06 ` Vivek Gautam
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