ARM: add pgprot_cached and pgprot_cached_ns support

Signed-off-by: Jianhua Xie <jianhua.xie@nxp.com>
nxp-qoriq · Dec 12, 2022 · 09a2f50 · 09a2f50
1 parent 5c8e1b6
commit 09a2f50
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
@@ -115,6 +115,13 @@ extern pgprot_t		pgprot_kernel;
 #define pgprot_noncached(prot) \
 	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED)
 
+#define pgprot_cached(prot) \
+	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED)
+
+#define pgprot_cached_ns(prot) \
+	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED | \
+			L_PTE_MT_DEV_NONSHARED)
+
 #define pgprot_writecombine(prot) \
 	__pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE)