{cpu,soc}: Use DEVICE_NOOP macro over dummy symbol

Change-Id: Iaf2b2873bd1c52d7f936bd9b483e194a0872a626
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7285
Tested-by: build bot (Jenkins)
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>

src/cpu/allwinner/a10/cpu.c

@@ -25,13 +25,9 @@ static void cpu_init(struct device *dev)
 	/* TODO: Check if anything else needs to be explicitly initialized */
 }
 
-static void cpu_noop(struct device *dev)
-{
-}
-
 static struct device_operations cpu_ops = {
-	.read_resources   = cpu_noop,
-	.set_resources    = cpu_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
 	.enable_resources = cpu_enable_resources,
 	.init             = cpu_init,
 	.scan_bus         = NULL,

src/cpu/amd/sc520/sc520.c

@@ -44,9 +44,6 @@ static void sc520_enable_resources(struct device *dev) {
         pci_write_config8(dev, PCI_COMMAND, command);
         command = pci_read_config8(dev, PCI_COMMAND);
         printk(BIOS_SPEW, "========>%s, command 0x%x\n", __func__, command);
-/*
- */
-
 }
 
 static void sc520_read_resources(device_t dev)
@@ -170,14 +167,10 @@ static void cpu_bus_init(device_t dev)
   printk(BIOS_SPEW, "cpu_bus_init\n");
 }
 
-static void cpu_bus_noop(device_t dev)
-{
-}
-
 static struct device_operations cpu_bus_ops = {
-        .read_resources   = cpu_bus_noop,
-        .set_resources    = cpu_bus_noop,
-        .enable_resources = cpu_bus_noop,
+        .read_resources   = DEVICE_NOOP,
+        .set_resources    = DEVICE_NOOP,
+        .enable_resources = DEVICE_NOOP,
         .init             = cpu_bus_init,
         .scan_bus         = 0,
 };

src/soc/intel/baytrail/chip.c

@@ -40,12 +40,10 @@ static struct device_operations pci_domain_ops = {
 	.ops_pci_bus      = pci_bus_default_ops,
 };
 
-static void cpu_bus_noop(device_t dev) { }
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources   = cpu_bus_noop,
-	.set_resources    = cpu_bus_noop,
-	.enable_resources = cpu_bus_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
 	.init             = baytrail_init_cpus,
 	.scan_bus         = NULL,
 };

src/soc/intel/broadwell/chip.c

@@ -36,12 +36,10 @@ static struct device_operations pci_domain_ops = {
 	.ops_pci_bus      = &pci_ops_mmconf,
 };
 
-static void cpu_bus_noop(device_t dev) { }
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources   = &cpu_bus_noop,
-	.set_resources    = &cpu_bus_noop,
-	.enable_resources = &cpu_bus_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
 	.init             = &broadwell_init_cpus,
 };
 

src/soc/intel/fsp_baytrail/chip.c

@@ -50,12 +50,10 @@ static struct device_operations pci_domain_ops = {
 	.ops_pci_bus      = pci_bus_default_ops,
 };
 
-static void cpu_bus_noop(device_t dev) { }
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources   = cpu_bus_noop,
-	.set_resources    = cpu_bus_noop,
-	.enable_resources = cpu_bus_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
 	.init             = baytrail_init_cpus,
 	.scan_bus         = NULL,
 };

src/soc/nvidia/tegra124/soc.c

@@ -45,13 +45,9 @@ static void soc_init(device_t dev)
 	printk(BIOS_INFO, "CPU: Tegra124\n");
 }
 
-static void soc_noop(device_t dev)
-{
-}
-
 static struct device_operations soc_ops = {
-	.read_resources   = soc_noop,
-	.set_resources    = soc_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
 	.enable_resources = soc_enable,
 	.init             = soc_init,
 	.scan_bus         = 0,

src/soc/samsung/exynos5250/cpu.c

@@ -129,13 +129,9 @@ static void cpu_init(device_t dev)
 			cpu_id, get_arm_clk() / (1024*1024));
 }
 
-static void cpu_noop(device_t dev)
-{
-}
-
 static struct device_operations cpu_ops = {
-	.read_resources   = cpu_noop,
-	.set_resources    = cpu_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
 	.enable_resources = cpu_enable,
 	.init             = cpu_init,
 	.scan_bus         = 0,

src/soc/samsung/exynos5420/cpu.c

@@ -160,13 +160,9 @@ static void cpu_init(device_t dev)
 			cpu_id, get_arm_clk() / 1000000);
 }
 
-static void cpu_noop(device_t dev)
-{
-}
-
 static struct device_operations cpu_ops = {
-	.read_resources   = cpu_noop,
-	.set_resources    = cpu_noop,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
 	.enable_resources = cpu_enable,
 	.init             = cpu_init,
 	.scan_bus         = 0,