MIPS: mm: shorten lines by using macro
authorThomas Bogendoerfer <tsbogend@alpha.franken.de>
Fri, 13 Nov 2020 11:09:51 +0000 (12:09 +0100)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Thu, 19 Nov 2020 12:27:06 +0000 (13:27 +0100)
Introduce helper macro to make lines shorter.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/mm/cache.c

index 3e81ba0..f66a8bf 100644 (file)
@@ -155,26 +155,28 @@ void __update_cache(unsigned long address, pte_t pte)
 unsigned long _page_cachable_default;
 EXPORT_SYMBOL(_page_cachable_default);
 
+#define PM(p)  __pgprot(_page_cachable_default | (p))
+
 static inline void setup_protection_map(void)
 {
        if (cpu_has_rixi) {
-               protection_map[0]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
-               protection_map[1]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
-               protection_map[2]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
-               protection_map[3]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
-               protection_map[4]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-               protection_map[5]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-               protection_map[6]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-               protection_map[7]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-
-               protection_map[8]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
-               protection_map[9]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
-               protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
-               protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
-               protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-               protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
-               protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
-               protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
+               protection_map[0]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+               protection_map[1]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
+               protection_map[2]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+               protection_map[3]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
+               protection_map[4]  = PM(_PAGE_PRESENT);
+               protection_map[5]  = PM(_PAGE_PRESENT);
+               protection_map[6]  = PM(_PAGE_PRESENT);
+               protection_map[7]  = PM(_PAGE_PRESENT);
+
+               protection_map[8]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+               protection_map[9]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC);
+               protection_map[10] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
+               protection_map[11] = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
+               protection_map[12] = PM(_PAGE_PRESENT);
+               protection_map[13] = PM(_PAGE_PRESENT);
+               protection_map[14] = PM(_PAGE_PRESENT | _PAGE_WRITE);
+               protection_map[15] = PM(_PAGE_PRESENT | _PAGE_WRITE);
 
        } else {
                protection_map[0] = PAGE_NONE;
@@ -196,6 +198,8 @@ static inline void setup_protection_map(void)
        }
 }
 
+#undef PM
+
 void cpu_cache_init(void)
 {
        if (cpu_has_3k_cache) {