MIPS: Alchemy: Include Au1100 in PM code.

The current code forgets the Au1100 when looking for the correct method to
suspend the chip.
Signed-off-by: NManuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2675/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/alchemy/common/power.c

@@ -158,15 +158,21 @@ static void restore_core_regs(void)
 
 void au_sleep(void)
 {
-	int cpuid = alchemy_get_cputype();
-	if (cpuid != ALCHEMY_CPU_UNKNOWN) {
-		save_core_regs();
-		if (cpuid <= ALCHEMY_CPU_AU1500)
-			alchemy_sleep_au1000();
-		else if (cpuid <= ALCHEMY_CPU_AU1200)
-			alchemy_sleep_au1550();
-		restore_core_regs();
+	save_core_regs();
+
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+	case ALCHEMY_CPU_AU1500:
+	case ALCHEMY_CPU_AU1100:
+		alchemy_sleep_au1000();
+		break;
+	case ALCHEMY_CPU_AU1550:
+	case ALCHEMY_CPU_AU1200:
+		alchemy_sleep_au1550();
+		break;
 	}
+
+	restore_core_regs();
 }
 
 #endif	/* CONFIG_PM */