linux-kernel - [PATCH v12 04/10] iommu/arm-smmu-v3: Pass in cmdq pointer to arm_smmu_cmdq

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Message-ID: <729aa3ad3473c9459df55e487f24929d6f8e2716.1723754745.git.nicolinc@nvidia.com>
Date: Thu, 15 Aug 2024 17:55:25 -0700
From: Nicolin Chen <nicolinc@...dia.com>
To: <will@...nel.org>
CC: <robin.murphy@....com>, <joro@...tes.org>, <jgg@...dia.com>,
	<thierry.reding@...il.com>, <vdumpa@...dia.com>, <jonathanh@...dia.com>,
	<linux-kernel@...r.kernel.org>, <iommu@...ts.linux.dev>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-tegra@...r.kernel.org>
Subject: [PATCH v12 04/10] iommu/arm-smmu-v3: Pass in cmdq pointer to arm_smmu_cmdq_init

So that this function can be used by other cmdqs than &smmu->cmdq only.

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index d11362e9fc8a..e664c40b14ae 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3555,9 +3555,9 @@ static int arm_smmu_init_one_queue(struct arm_smmu_device *smmu,
 	return 0;
 }
 
-static int arm_smmu_cmdq_init(struct arm_smmu_device *smmu)
+static int arm_smmu_cmdq_init(struct arm_smmu_device *smmu,
+			      struct arm_smmu_cmdq *cmdq)
 {
-	struct arm_smmu_cmdq *cmdq = &smmu->cmdq;
 	unsigned int nents = 1 << cmdq->q.llq.max_n_shift;
 
 	atomic_set(&cmdq->owner_prod, 0);
@@ -3582,7 +3582,7 @@ static int arm_smmu_init_queues(struct arm_smmu_device *smmu)
 	if (ret)
 		return ret;
 
-	ret = arm_smmu_cmdq_init(smmu);
+	ret = arm_smmu_cmdq_init(smmu, &smmu->cmdq);
 	if (ret)
 		return ret;
 
-- 
2.43.0