diff mbox series

[v10,1/5] iommu/arm-smmu: move TLB timeout and spin count macros

Message ID 20200708050017.31563-2-vdumpa@nvidia.com
State Changes Requested
Headers show
Series NVIDIA ARM SMMU Implementation | expand

Commit Message

Krishna Reddy July 8, 2020, 5 a.m. UTC 
Move TLB timeout and spin count macros to header file to
allow using the same from vendor specific implementations.

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(-)

Comments

Jon Hunter July 8, 2020, 12:05 p.m. UTC | #1 
On 08/07/2020 06:00, Krishna Reddy wrote:
> Move TLB timeout and spin count macros to header file to
> allow using the same from vendor specific implementations.
> 
> 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 243bc4cb2705..d2054178df35 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 {
> 


Reviewed-by: Jon Hunter <jonathanh@nvidia.com>

Thanks!
Jon
Nicolin Chen July 8, 2020, 8:37 p.m. UTC | #2 
On Tue, Jul 07, 2020 at 10:00:13PM -0700, Krishna Reddy wrote:
> Move TLB timeout and spin count macros to header file to
> allow using the same from vendor specific implementations.
> 
> Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>

Reviewed-by: Nicolin Chen <nicoleotsuka@gmail.com>
diff mbox series

Patch

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 243bc4cb2705..d2054178df35 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 {