iommu/arm-smmu: move TLB timeout and spin count macros

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: 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>
Link: https://lore.kernel.org/r/20200718193457.30046-2-vdumpa@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 19f906d..cdd15ea 100644 (file)
--- 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 d172c02..c7d0122 100644 (file)
--- 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 {