[MIPS] SB1250: Fix bugs/warnings by creative use of volatile.

[mirror_ubuntu-focal-kernel.git] / arch / mips / sibyte / swarm / setup.c

diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index defa1f1452adb6d3c6a93134ddfafad908761218..83572d8f3e1455ef414b0ebda64831f4915cb4bf 100644 (file)
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -169,17 +169,19 @@ void __init plat_mem_setup(void)
 #define LEDS_PHYS MLEDS_PHYS
 #endif
 
-#define setled(index, c) \
-  ((unsigned char *)(IOADDR(LEDS_PHYS)+0x20))[(3-(index))<<3] = (c)
 void setleds(char *str)
 {
+       void *reg;
        int i;
+
        for (i = 0; i < 4; i++) {
-               if (!str[i]) {
-                       setled(i, ' ');
-               } else {
-                       setled(i, str[i]);
-               }
+               reg = IOADDR(LEDS_PHYS) + 0x20 + ((3 - i) << 3);
+
+               if (!str[i])
+                       writeb(' ', reg);
+               else
+                       writeb(str[i], reg);
        }
 }
-#endif
+
+#endif /* LEDS_PHYS */