From: Krishna Reddy <vdumpa@nvidia.com>
To: <joro@8bytes.org>, <will@kernel.org>, <robin.murphy@arm.com>,
<robh+dt@kernel.org>, <treding@nvidia.com>,
<jonathanh@nvidia.com>
Cc: snikam@nvidia.com, devicetree@vger.kernel.org,
mperttunen@nvidia.com, bhuntsman@nvidia.com, yhsu@nvidia.com,
linux-kernel@vger.kernel.org, talho@nvidia.com,
iommu@lists.linux-foundation.org,
Thierry Reding <thierry.reding@gmail.com>,
nicolinc@nvidia.com, linux-tegra@vger.kernel.org,
praithatha@nvidia.com, linux-arm-kernel@lists.infradead.org,
bbiswas@nvidia.com
Subject: [PATCH v11 1/5] iommu/arm-smmu: move TLB timeout and spin count macros
Date: Sat, 18 Jul 2020 12:34:53 -0700 [thread overview]
Message-ID: <20200718193457.30046-2-vdumpa@nvidia.com> (raw)
In-Reply-To: <20200718193457.30046-1-vdumpa@nvidia.com>
Move TLB timeout and spin count macros to header file to
allow using the same from vendor specific implementations.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Pritesh Raithatha <praithatha@nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
---
drivers/iommu/arm-smmu.c | 3 ---
drivers/iommu/arm-smmu.h | 2 ++
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 19f906de6420..cdd15ead9bc4 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -52,9 +52,6 @@
*/
#define QCOM_DUMMY_VAL -1
-#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */
-#define TLB_SPIN_COUNT 10
-
#define MSI_IOVA_BASE 0x8000000
#define MSI_IOVA_LENGTH 0x100000
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h
index d172c024be61..c7d0122a7c6c 100644
--- a/drivers/iommu/arm-smmu.h
+++ b/drivers/iommu/arm-smmu.h
@@ -236,6 +236,8 @@ enum arm_smmu_cbar_type {
/* Maximum number of context banks per SMMU */
#define ARM_SMMU_MAX_CBS 128
+#define TLB_LOOP_TIMEOUT 1000000 /* 1s! */
+#define TLB_SPIN_COUNT 10
/* Shared driver definitions */
enum arm_smmu_arch_version {
--
2.26.2
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next prev parent reply other threads:[~2020-07-18 19:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-18 19:34 [PATCH v11 0/5] NVIDIA ARM SMMU Implementation Krishna Reddy
2020-07-18 19:34 ` Krishna Reddy [this message]
2020-07-18 19:34 ` [PATCH v11 2/5] iommu/arm-smmu: ioremap smmu mmio region before implementation init Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 3/5] iommu/arm-smmu: add NVIDIA implementation for ARM MMU-500 usage Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU Krishna Reddy
2020-07-18 19:34 ` [PATCH v11 5/5] iommu/arm-smmu: Add global/context fault implementation hooks Krishna Reddy
2020-07-20 11:56 ` [PATCH v11 0/5] NVIDIA ARM SMMU Implementation Will Deacon
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