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, mark.rutland-5wv7dgnIgG8@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, robin.murphy-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: airlied-cv59FeDIM0c@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH v7 3/6] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Date: Wed, 7 Feb 2018 16:01:19 +0530 [thread overview] Message-ID: <1517999482-17317-4-git-send-email-vivek.gautam@codeaurora.org> (raw) In-Reply-To: <1517999482-17317-1-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> From: Sricharan R <sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> The smmu device probe/remove and add/remove master device callbacks gets called when the smmu is not linked to its master, that is without the context of the master device. So calling runtime apis in those places separately. Signed-off-by: Sricharan R <sricharan-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> [vivek: Cleanup pm runtime calls] Signed-off-by: Vivek Gautam <vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> --- drivers/iommu/arm-smmu.c | 42 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 9e2f917e16c2..c024f69c1682 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -913,11 +913,15 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct arm_smmu_device *smmu = smmu_domain->smmu; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; - int irq; + int ret, irq; if (!smmu || domain->type == IOMMU_DOMAIN_IDENTITY) return; + ret = pm_runtime_get_sync(smmu->dev); + if (ret) + return; + /* * Disable the context bank and free the page tables before freeing * it. @@ -932,6 +936,8 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) free_io_pgtable_ops(smmu_domain->pgtbl_ops); __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); + + pm_runtime_put_sync(smmu->dev); } static struct iommu_domain *arm_smmu_domain_alloc(unsigned type) @@ -1407,14 +1413,22 @@ static int arm_smmu_add_device(struct device *dev) while (i--) cfg->smendx[i] = INVALID_SMENDX; - ret = arm_smmu_master_alloc_smes(dev); + ret = pm_runtime_get_sync(smmu->dev); if (ret) goto out_cfg_free; + ret = arm_smmu_master_alloc_smes(dev); + if (ret) + goto out_rpm_put; + iommu_device_link(&smmu->iommu, dev); + pm_runtime_put_sync(smmu->dev); + return 0; +out_rpm_put: + pm_runtime_put_sync(smmu->dev); out_cfg_free: kfree(cfg); out_free: @@ -1427,7 +1441,7 @@ static void arm_smmu_remove_device(struct device *dev) struct iommu_fwspec *fwspec = dev->iommu_fwspec; struct arm_smmu_master_cfg *cfg; struct arm_smmu_device *smmu; - + int ret; if (!fwspec || fwspec->ops != &arm_smmu_ops) return; @@ -1435,8 +1449,15 @@ static void arm_smmu_remove_device(struct device *dev) cfg = fwspec->iommu_priv; smmu = cfg->smmu; + ret = pm_runtime_get_sync(smmu->dev); + if (ret) + return; + iommu_device_unlink(&smmu->iommu, dev); arm_smmu_master_free_smes(fwspec); + + pm_runtime_put_sync(smmu->dev); + iommu_group_remove_device(dev); kfree(fwspec->iommu_priv); iommu_fwspec_free(dev); @@ -2131,6 +2152,14 @@ static int arm_smmu_device_probe(struct platform_device *pdev) if (err) return err; + platform_set_drvdata(pdev, smmu); + + pm_runtime_enable(dev); + + err = pm_runtime_get_sync(dev); + if (err) + return err; + err = arm_smmu_device_cfg_probe(smmu); if (err) return err; @@ -2172,9 +2201,9 @@ static int arm_smmu_device_probe(struct platform_device *pdev) return err; } - platform_set_drvdata(pdev, smmu); arm_smmu_device_reset(smmu); arm_smmu_test_smr_masks(smmu); + pm_runtime_put_sync(dev); /* * For ACPI and generic DT bindings, an SMMU will be probed before @@ -2211,8 +2240,13 @@ static int arm_smmu_device_remove(struct platform_device *pdev) if (!bitmap_empty(smmu->context_map, ARM_SMMU_MAX_CBS)) dev_err(&pdev->dev, "removing device with active domains!\n"); + pm_runtime_get_sync(smmu->dev); /* Turn the thing off */ writel(sCR0_CLIENTPD, ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sCR0); + pm_runtime_put_sync(smmu->dev); + + pm_runtime_disable(smmu->dev); + return 0; } -- 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: joro@8bytes.org, robh+dt@kernel.org, mark.rutland@arm.com, rjw@rjwysocki.net, robin.murphy@arm.com, will.deacon@arm.com, robdclark@gmail.com, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Cc: alex.williamson@redhat.com, gregkh@linuxfoundation.org, airlied@linux.ie, sboyd@codeaurora.org, sricharan@codeaurora.org, m.szyprowski@samsung.com, architt@codeaurora.org, linux-arm-msm@vger.kernel.org, vivek.gautam@codeaurora.org Subject: [PATCH v7 3/6] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Date: Wed, 7 Feb 2018 16:01:19 +0530 [thread overview] Message-ID: <1517999482-17317-4-git-send-email-vivek.gautam@codeaurora.org> (raw) In-Reply-To: <1517999482-17317-1-git-send-email-vivek.gautam@codeaurora.org> From: Sricharan R <sricharan@codeaurora.org> The smmu device probe/remove and add/remove master device callbacks gets called when the smmu is not linked to its master, that is without the context of the master device. So calling runtime apis in those places separately. Signed-off-by: Sricharan R <sricharan@codeaurora.org> [vivek: Cleanup pm runtime calls] Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> --- drivers/iommu/arm-smmu.c | 42 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 9e2f917e16c2..c024f69c1682 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -913,11 +913,15 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct arm_smmu_device *smmu = smmu_domain->smmu; struct arm_smmu_cfg *cfg = &smmu_domain->cfg; - int irq; + int ret, irq; if (!smmu || domain->type == IOMMU_DOMAIN_IDENTITY) return; + ret = pm_runtime_get_sync(smmu->dev); + if (ret) + return; + /* * Disable the context bank and free the page tables before freeing * it. @@ -932,6 +936,8 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) free_io_pgtable_ops(smmu_domain->pgtbl_ops); __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); + + pm_runtime_put_sync(smmu->dev); } static struct iommu_domain *arm_smmu_domain_alloc(unsigned type) @@ -1407,14 +1413,22 @@ static int arm_smmu_add_device(struct device *dev) while (i--) cfg->smendx[i] = INVALID_SMENDX; - ret = arm_smmu_master_alloc_smes(dev); + ret = pm_runtime_get_sync(smmu->dev); if (ret) goto out_cfg_free; + ret = arm_smmu_master_alloc_smes(dev); + if (ret) + goto out_rpm_put; + iommu_device_link(&smmu->iommu, dev); + pm_runtime_put_sync(smmu->dev); + return 0; +out_rpm_put: + pm_runtime_put_sync(smmu->dev); out_cfg_free: kfree(cfg); out_free: @@ -1427,7 +1441,7 @@ static void arm_smmu_remove_device(struct device *dev) struct iommu_fwspec *fwspec = dev->iommu_fwspec; struct arm_smmu_master_cfg *cfg; struct arm_smmu_device *smmu; - + int ret; if (!fwspec || fwspec->ops != &arm_smmu_ops) return; @@ -1435,8 +1449,15 @@ static void arm_smmu_remove_device(struct device *dev) cfg = fwspec->iommu_priv; smmu = cfg->smmu; + ret = pm_runtime_get_sync(smmu->dev); + if (ret) + return; + iommu_device_unlink(&smmu->iommu, dev); arm_smmu_master_free_smes(fwspec); + + pm_runtime_put_sync(smmu->dev); + iommu_group_remove_device(dev); kfree(fwspec->iommu_priv); iommu_fwspec_free(dev); @@ -2131,6 +2152,14 @@ static int arm_smmu_device_probe(struct platform_device *pdev) if (err) return err; + platform_set_drvdata(pdev, smmu); + + pm_runtime_enable(dev); + + err = pm_runtime_get_sync(dev); + if (err) + return err; + err = arm_smmu_device_cfg_probe(smmu); if (err) return err; @@ -2172,9 +2201,9 @@ static int arm_smmu_device_probe(struct platform_device *pdev) return err; } - platform_set_drvdata(pdev, smmu); arm_smmu_device_reset(smmu); arm_smmu_test_smr_masks(smmu); + pm_runtime_put_sync(dev); /* * For ACPI and generic DT bindings, an SMMU will be probed before @@ -2211,8 +2240,13 @@ static int arm_smmu_device_remove(struct platform_device *pdev) if (!bitmap_empty(smmu->context_map, ARM_SMMU_MAX_CBS)) dev_err(&pdev->dev, "removing device with active domains!\n"); + pm_runtime_get_sync(smmu->dev); /* Turn the thing off */ writel(sCR0_CLIENTPD, ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sCR0); + pm_runtime_put_sync(smmu->dev); + + pm_runtime_disable(smmu->dev); + return 0; } -- 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:[~2018-02-07 10:31 UTC|newest] Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-02-07 10:31 [PATCH v7 0/6] iommu/arm-smmu: Add runtime pm/sleep support Vivek Gautam 2018-02-07 10:31 ` Vivek Gautam [not found] ` <1517999482-17317-1-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-02-07 10:31 ` [PATCH v7 1/6] base: power: runtime: Export pm_runtime_get/put_suppliers Vivek Gautam 2018-02-07 10:31 ` Vivek Gautam 2018-02-13 7:44 ` Tomasz Figa 2018-02-13 7:44 ` Tomasz Figa [not found] ` <CAAFQd5BmroRf-C8dQkvTKHWK1psGnNi1t7g-q=Xce6KjrGTsdw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-13 12:00 ` Robin Murphy 2018-02-13 12:00 ` Robin Murphy 2018-02-13 12:54 ` Tomasz Figa 2018-02-13 12:54 ` Tomasz Figa 2018-02-13 13:37 ` Robin Murphy 2018-02-13 13:37 ` Robin Murphy 2018-02-07 10:31 ` [PATCH v7 2/6] iommu/arm-smmu: Add pm_runtime/sleep ops Vivek Gautam 2018-02-07 10:31 ` Vivek Gautam 2018-02-13 8:03 ` Tomasz Figa 2018-02-13 8:03 ` Tomasz Figa [not found] ` <CAAFQd5B2u8RL-tdB3qgPxVUcXnsBSEhXRBZWxqO-w6rYKAiOtg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-13 10:25 ` Vivek Gautam 2018-02-13 10:25 ` Vivek Gautam 2018-02-14 3:45 ` Tomasz Figa 2018-02-14 3:45 ` Tomasz Figa 2018-02-07 10:31 ` Vivek Gautam [this message] 2018-02-07 10:31 ` [PATCH v7 3/6] iommu/arm-smmu: Invoke pm_runtime during probe, add/remove device Vivek Gautam 2018-02-13 8:24 ` Tomasz Figa 2018-02-13 8:24 ` Tomasz Figa [not found] ` <CAAFQd5DxYhkK61VDAesby6bT+FtG2nqsbHQRvxkhrsSS0KWtog-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-13 12:57 ` Robin Murphy 2018-02-13 12:57 ` Robin Murphy [not found] ` <906051dd-8898-ec6f-5ad4-3f37716292cf-5wv7dgnIgG8@public.gmane.org> 2018-02-13 13:52 ` Tomasz Figa 2018-02-13 13:52 ` Tomasz Figa [not found] ` <CAAFQd5DJtQYPg5S3Ep2bK27+D5rQiKuA-uPfMDUon3FudmGF0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 8:24 ` Vivek Gautam 2018-02-14 8:24 ` Vivek Gautam 2018-02-14 8:28 ` Vivek Gautam 2018-02-14 8:28 ` Vivek Gautam [not found] ` <1517999482-17317-4-git-send-email-vivek.gautam-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-02-22 23:52 ` Jordan Crouse 2018-02-22 23:52 ` Jordan Crouse [not found] ` <20180222235200.GA18743-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org> 2018-02-23 10:36 ` Vivek Gautam 2018-02-23 10:36 ` Vivek Gautam [not found] ` <CAFp+6iGQ5Vckui14Jb=V0uk_Pjes95hOxo=KBijR4yxPeDDzFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-23 15:40 ` [Freedreno] " Jordan Crouse 2018-02-23 15:40 ` Jordan Crouse [not found] ` <20180223154048.GB18743-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org> 2018-02-23 17:43 ` Vivek Gautam 2018-02-23 17:43 ` [Freedreno] " Vivek Gautam 2018-02-07 10:31 ` [PATCH v7 4/6] iommu/arm-smmu: Add the device_link between masters and smmu Vivek Gautam 2018-02-07 10:31 ` Vivek Gautam 2018-02-13 8:31 ` Tomasz Figa 2018-02-13 8:31 ` Tomasz Figa [not found] ` <CAAFQd5BQAs9=N27_Z0pJNSrndFY3vFin2KBP44UtiW+tMXy5nQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-13 10:14 ` Vivek Gautam 2018-02-13 10:14 ` Vivek Gautam 2018-02-07 10:31 ` [PATCH v7 5/6] iommu/arm-smmu: Add support for qcom, smmu-v2 variant Vivek Gautam 2018-02-07 10:31 ` [PATCH v7 5/6] iommu/arm-smmu: Add support for qcom,smmu-v2 variant Vivek Gautam 2018-02-09 10:57 ` [PATCH v8 " Vivek Gautam 2018-02-13 8:57 ` Tomasz Figa 2018-02-13 8:57 ` Tomasz Figa 2018-02-07 10:31 ` [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers Vivek Gautam 2018-02-07 10:31 ` Vivek Gautam 2018-02-13 9:10 ` Tomasz Figa 2018-02-13 9:10 ` Tomasz Figa [not found] ` <CAAFQd5AjopiX6fDgD+mO+-+d0yj-swEnVCNvccWRBSMO+XVJkA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-13 16:42 ` Jordan Crouse 2018-02-13 16:42 ` Jordan Crouse 2018-02-14 3:31 ` Tomasz Figa [not found] ` <CAAFQd5CjQRFATfh-mRQv5J=WefYuxBVTkk=Ju09FoqA-Or5Cvg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 15:48 ` Jordan Crouse 2018-02-14 15:48 ` Jordan Crouse [not found] ` <20180214154850.GA25422-9PYrDHPZ2Orvke4nUoYGnHL1okKdlPRT@public.gmane.org> 2018-02-14 16:12 ` [Freedreno] " Rob Clark 2018-02-14 16:12 ` Rob Clark 2018-02-15 4:09 ` Tomasz Figa 2018-02-15 4:09 ` Tomasz Figa [not found] ` <CAAFQd5C-9mbd3hDSvz10a1oiO0--FT-L4EpsAYcALxxUvk6Fjg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-15 14:14 ` Rob Clark 2018-02-15 14:14 ` [Freedreno] " Rob Clark 2018-02-13 18:03 ` Rob Clark 2018-02-13 18:03 ` Rob Clark 2018-02-14 1:59 ` Tomasz Figa 2018-02-14 1:59 ` Tomasz Figa [not found] ` <CAAFQd5BKRumpEfAKNF_RKS-ZZ8D671DfOz4vB2+w1SV3aG9NxQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 2:13 ` Rob Clark 2018-02-14 2:13 ` Rob Clark [not found] ` <CAF6AEGuNZJKtwGZ5mLfqNND2jtU+HYM11UONfAtVTzoM0QVpdg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 3:01 ` Tomasz Figa 2018-02-14 3:01 ` Tomasz Figa [not found] ` <CAAFQd5BZJ1G0RG32hYErNzPRvisBhhiSNCBsjbzfm0WzO=DnsQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 4:17 ` Vivek Gautam 2018-02-14 4:17 ` Vivek Gautam [not found] ` <CAFp+6iHaycK=CcE1S15EeuMkaw8LnW0ebptU0hM6tUtWdeEOtA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 5:38 ` Tomasz Figa 2018-02-14 5:38 ` Tomasz Figa [not found] ` <CAAFQd5Afj-Bj+3wHwmF2tT7y=46EsYEtO_mXfY6stXBgHutEUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 9:13 ` Vivek Gautam 2018-02-14 9:13 ` Vivek Gautam [not found] ` <CAFp+6iGX6pr+MdPSSHHG=qOnhHky_8OHiDqAcJ9UudEUv=JMHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 9:16 ` Tomasz Figa 2018-02-14 9:16 ` Tomasz Figa [not found] ` <CAAFQd5DiwAugGnPOTw0+XrEfef9x-n-vx59JFuXpNawjiXHwCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 10:33 ` Vivek Gautam 2018-02-14 10:33 ` Vivek Gautam [not found] ` <CAFp+6iEW0faeHDfzN_F1bRrHGcVo3sPCk4HSY=t9dnEvHkDkYw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-14 16:03 ` Robin Murphy 2018-02-14 16:03 ` Robin Murphy 2018-02-15 3:17 ` Tomasz Figa [not found] ` <CAAFQd5AmG1zSm+CouXOCJbs8SNGFk1-RqfU1nWGjMGJMB-qfvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-15 4:17 ` Tomasz Figa 2018-02-15 4:17 ` Tomasz Figa [not found] ` <CAAFQd5A9B-di9svtiJbvk2hz1U1xo61rTY5vt6AD+KR5iMcG-A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-15 17:14 ` Robin Murphy 2018-02-15 17:14 ` Robin Murphy [not found] ` <7406f1ce-c2c9-a6bd-2886-5a34de45add6-5wv7dgnIgG8@public.gmane.org> 2018-02-16 0:13 ` Tomasz Figa 2018-02-16 0:13 ` Tomasz Figa [not found] ` <CAAFQd5DkLtq2w00=Zd4sMDB4QOWqi7R-zgydECJXLdTmaHty+g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-22 8:13 ` Tomasz Figa 2018-02-22 8:13 ` Tomasz Figa [not found] ` <CAAFQd5CQoDqunAunwoVo7W=QXa=ET=eJ2s_j9j+3YgAR2EGgCg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-22 13:30 ` Rob Clark 2018-02-22 13:30 ` [Freedreno] " Rob Clark 2018-02-22 13:45 ` Robin Murphy 2018-02-22 13:45 ` Robin Murphy 2018-02-22 14:12 ` Tomasz Figa 2018-02-22 14:12 ` Tomasz Figa [not found] ` <CAAFQd5CzOJ0oS8LLcKP-DgyXSXgzafg5CWPAvnR-QDPS+DZAUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-02-22 17:24 ` Vivek Gautam 2018-02-22 17:24 ` Vivek Gautam
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