[PATCH 07/18] ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag
From: Vineet Gupta
Date: Tue Aug 10 2021 - 20:43:33 EST
and remove the one off uncached definition for ARC
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxx>
---
arch/arc/include/asm/pgtable.h | 3 ---
arch/arc/mm/ioremap.c | 3 ++-
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 80b57c14b430..b054c14f8bf6 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -103,9 +103,6 @@
*/
#define PAGE_KERNEL __pgprot(_K_PAGE_PERMS | _PAGE_CACHEABLE)
-/* ioremap */
-#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS)
-
/* Masks for actual TLB "PD"s */
#define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT | _PAGE_HW_SZ)
#define PTE_BITS_RWX (_PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ)
diff --git a/arch/arc/mm/ioremap.c b/arch/arc/mm/ioremap.c
index 052bbd8b1e5f..0ee75aca6e10 100644
--- a/arch/arc/mm/ioremap.c
+++ b/arch/arc/mm/ioremap.c
@@ -39,7 +39,8 @@ void __iomem *ioremap(phys_addr_t paddr, unsigned long size)
if (arc_uncached_addr_space(paddr))
return (void __iomem *)(u32)paddr;
- return ioremap_prot(paddr, size, pgprot_val(PAGE_KERNEL_NO_CACHE));
+ return ioremap_prot(paddr, size,
+ pgprot_val(pgprot_noncached(PAGE_KERNEL)));
}
EXPORT_SYMBOL(ioremap);
--
2.25.1