iommu/io-pgtable-arm: Remove unused macro iopte_prot

Commit 33729a5 ("iommu/io-pgtable-arm: Remove split on unmap
behavior") removed the last user of the macro iopte_prot. Remove the
macro definition of iopte_prot as well as three other related
definitions.

Fixes: 33729a5 ("iommu/io-pgtable-arm: Remove split on unmap behavior")
Signed-off-by: Daniel Mentz <[email protected]>
Reviewed-by: Liviu Dudau <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

Author: danielmentzgoogle

drivers/iommu/io-pgtable-arm.c

@@ -85,11 +85,6 @@
 #define ARM_LPAE_PTE_NS			(((arm_lpae_iopte)1) << 5)
 #define ARM_LPAE_PTE_VALID		(((arm_lpae_iopte)1) << 0)
 
-#define ARM_LPAE_PTE_ATTR_LO_MASK	(((arm_lpae_iopte)0x3ff) << 2)
-/* Ignore the contiguous bit for block splitting */
-#define ARM_LPAE_PTE_ATTR_HI_MASK	(ARM_LPAE_PTE_XN | ARM_LPAE_PTE_DBM)
-#define ARM_LPAE_PTE_ATTR_MASK		(ARM_LPAE_PTE_ATTR_LO_MASK |	\
-					 ARM_LPAE_PTE_ATTR_HI_MASK)
 /* Software bit for solving coherency races */
 #define ARM_LPAE_PTE_SW_SYNC		(((arm_lpae_iopte)1) << 55)
 
@@ -155,8 +150,6 @@
 #define iopte_type(pte)					\
 	(((pte) >> ARM_LPAE_PTE_TYPE_SHIFT) & ARM_LPAE_PTE_TYPE_MASK)
 
-#define iopte_prot(pte)	((pte) & ARM_LPAE_PTE_ATTR_MASK)
-
 #define iopte_writeable_dirty(pte)				\
 	(((pte) & ARM_LPAE_PTE_AP_WR_CLEAN_MASK) == ARM_LPAE_PTE_DBM)