From: anup.patel@broadcom.com (Anup Patel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/4] of: iommu: Increment DT node refcount in of_iommu_set_ops()
Date: Mon, 8 Feb 2016 10:47:31 +0530 [thread overview]
Message-ID: <1454908652-15317-4-git-send-email-anup.patel@broadcom.com> (raw)
In-Reply-To: <1454908652-15317-1-git-send-email-anup.patel@broadcom.com>
We are saving pointer to iommu DT node in of_iommu_set_ops()
hence we should increment DT node ref count.
Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Reviewed-by: Robin Murphy <Robin.Murphy@arm.com>
---
drivers/iommu/of_iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 60ba238..5fea665 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -110,6 +110,7 @@ void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops)
if (WARN_ON(!iommu))
return;
+ of_node_get(np);
INIT_LIST_HEAD(&iommu->list);
iommu->np = np;
iommu->ops = ops;
--
1.9.1
next prev parent reply other threads:[~2016-02-08 5:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 5:17 [PATCH v2 0/4] iommu/arm-smmu: misc fixes for SMMUv1/SMMUv2 Anup Patel
2016-02-08 5:17 ` [PATCH v2 1/4] iommu/arm-smmu: Init driver using IOMMU_OF_DECLARE Anup Patel
2016-02-08 5:17 ` [PATCH v2 2/4] iommu/arm-smmu: Invoke DT probe from arm_smmu_of_setup() Anup Patel
2016-02-18 12:00 ` Sricharan
2016-02-19 3:14 ` Anup Patel
2016-02-08 5:17 ` Anup Patel [this message]
2016-02-08 5:17 ` [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver Anup Patel
2016-02-08 11:18 ` Mark Rutland
2016-02-08 12:43 ` Anup Patel
2016-02-08 13:42 ` Mark Rutland
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