msm: kgsl: use more static initializers for struct kgsl_device

There are many fields in kgsl_device that are always initialized
the same way. Move them to a macro, KGSL_DEVICE_COMMON_INIT,
so the correct static initializers can be used by both 3d and 2d.

Change-Id: I8362957548199112517457e0f94bfe2bd5f707f9
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index 9479302..bfbf411 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -69,10 +69,9 @@
 
 static struct adreno_device device_3d0 = {
 	.dev = {
+		KGSL_DEVICE_COMMON_INIT(device_3d0.dev),
 		.name = DEVICE_3D0_NAME,
 		.id = KGSL_DEVICE_3D0,
-		.ver_major = DRIVER_VERSION_MAJOR,
-		.ver_minor = DRIVER_VERSION_MINOR,
 		.mh = {
 			.mharb  = ADRENO_CFG_MHARB,
 			/* Remove 1k boundary check in z470 to avoid a GPU
@@ -92,9 +91,6 @@
 		.pwrctrl = {
 			.irq_name = KGSL_3D0_IRQ,
 		},
-		.mutex = __MUTEX_INITIALIZER(device_3d0.dev.mutex),
-		.state = KGSL_STATE_INIT,
-		.active_cnt = 0,
 		.iomemname = KGSL_3D0_REG_MEMORY,
 		.ftbl = &adreno_functable,
 #ifdef CONFIG_HAS_EARLYSUSPEND
@@ -482,8 +478,6 @@
 	adreno_dev = ADRENO_DEVICE(device);
 	device->parentdev = &pdev->dev;
 
-	init_completion(&device->recovery_gate);
-
 	status = adreno_ringbuffer_init(device);
 	if (status != 0)
 		goto error;
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c
index 2ce2f2b..25eda43 100644
--- a/drivers/gpu/msm/kgsl.c
+++ b/drivers/gpu/msm/kgsl.c
@@ -385,7 +385,7 @@
 	idr_remove(&dev_priv->device->context_idr, id);
 }
 
-static void kgsl_timestamp_expired(struct work_struct *work)
+void kgsl_timestamp_expired(struct work_struct *work)
 {
 	struct kgsl_device *device = container_of(work, struct kgsl_device,
 		ts_expired_ws);
@@ -415,6 +415,7 @@
 
 	mutex_unlock(&device->mutex);
 }
+EXPORT_SYMBOL(kgsl_timestamp_expired);
 
 static void kgsl_check_idle_locked(struct kgsl_device *device)
 {
@@ -2417,27 +2418,14 @@
 	dev_set_drvdata(device->parentdev, device);
 
 	/* Generic device initialization */
-	init_waitqueue_head(&device->wait_queue);
-
 	kgsl_cffdump_open(device->id);
 
-	init_completion(&device->hwaccess_gate);
-	init_completion(&device->suspend_gate);
-
-	ATOMIC_INIT_NOTIFIER_HEAD(&device->ts_notifier_list);
-
 	setup_timer(&device->idle_timer, kgsl_timer, (unsigned long) device);
 	ret = kgsl_create_device_workqueue(device);
 	if (ret)
 		goto err_devlist;
 
-	INIT_WORK(&device->idle_check_ws, kgsl_idle_check);
-	INIT_WORK(&device->ts_expired_ws, kgsl_timestamp_expired);
-
-	INIT_LIST_HEAD(&device->events);
-
 	device->last_expired_ctxt_id = KGSL_CONTEXT_INVALID;
-
 	ret = kgsl_mmu_init(device);
 	if (ret != 0)
 		goto err_dest_work_q;
@@ -2450,8 +2438,6 @@
 	pm_qos_add_request(&device->pm_qos_req_dma, PM_QOS_CPU_DMA_LATENCY,
 				PM_QOS_DEFAULT_VALUE);
 
-	idr_init(&device->context_idr);
-
 	/* Initalize the snapshot engine */
 	kgsl_device_snapshot_init(device);
 
diff --git a/drivers/gpu/msm/kgsl_device.h b/drivers/gpu/msm/kgsl_device.h
index b42e606..0964458 100644
--- a/drivers/gpu/msm/kgsl_device.h
+++ b/drivers/gpu/msm/kgsl_device.h
@@ -199,6 +199,26 @@
 	s64 on_time;
 };
 
+void kgsl_timestamp_expired(struct work_struct *work);
+
+#define KGSL_DEVICE_COMMON_INIT(_dev) \
+	.hwaccess_gate = COMPLETION_INITIALIZER((_dev).hwaccess_gate),\
+	.suspend_gate = COMPLETION_INITIALIZER((_dev).suspend_gate),\
+	.recovery_gate = COMPLETION_INITIALIZER((_dev).recovery_gate),\
+	.ts_notifier_list = ATOMIC_NOTIFIER_INIT((_dev).ts_notifier_list),\
+	.idle_check_ws = __WORK_INITIALIZER((_dev).idle_check_ws,\
+			kgsl_idle_check),\
+	.ts_expired_ws  = __WORK_INITIALIZER((_dev).ts_expired_ws,\
+			kgsl_timestamp_expired),\
+	.context_idr = IDR_INIT((_dev).context_idr),\
+	.events = LIST_HEAD_INIT((_dev).events),\
+	.wait_queue = __WAIT_QUEUE_HEAD_INITIALIZER((_dev).wait_queue),\
+	.mutex = __MUTEX_INITIALIZER((_dev).mutex),\
+	.state = KGSL_STATE_INIT,\
+	.ver_major = DRIVER_VERSION_MAJOR,\
+	.ver_minor = DRIVER_VERSION_MINOR,\
+	.last_expired_ctxt_id = KGSL_CONTEXT_INVALID
+
 struct kgsl_context {
 	uint32_t id;
 
diff --git a/drivers/gpu/msm/z180.c b/drivers/gpu/msm/z180.c
index 240de9a..846a9a1 100644
--- a/drivers/gpu/msm/z180.c
+++ b/drivers/gpu/msm/z180.c
@@ -132,10 +132,9 @@
 
 static struct z180_device device_2d0 = {
 	.dev = {
+		KGSL_DEVICE_COMMON_INIT(device_2d0.dev),
 		.name = DEVICE_2D0_NAME,
 		.id = KGSL_DEVICE_2D0,
-		.ver_major = DRIVER_VERSION_MAJOR,
-		.ver_minor = DRIVER_VERSION_MINOR,
 		.mh = {
 			.mharb = Z180_CFG_MHARB,
 			.mh_intf_cfg1 = 0x00032f07,
@@ -152,20 +151,17 @@
 		.pwrctrl = {
 			.irq_name = KGSL_2D0_IRQ,
 		},
-		.mutex = __MUTEX_INITIALIZER(device_2d0.dev.mutex),
-		.state = KGSL_STATE_INIT,
-		.active_cnt = 0,
 		.iomemname = KGSL_2D0_REG_MEMORY,
 		.ftbl = &z180_functable,
 	},
+	.cmdwin_lock = __SPIN_LOCK_INITIALIZER(device_2d1.cmdwin_lock),
 };
 
 static struct z180_device device_2d1 = {
 	.dev = {
+		KGSL_DEVICE_COMMON_INIT(device_2d1.dev),
 		.name = DEVICE_2D1_NAME,
 		.id = KGSL_DEVICE_2D1,
-		.ver_major = DRIVER_VERSION_MAJOR,
-		.ver_minor = DRIVER_VERSION_MINOR,
 		.mh = {
 			.mharb = Z180_CFG_MHARB,
 			.mh_intf_cfg1 = 0x00032f07,
@@ -182,12 +178,10 @@
 		.pwrctrl = {
 			.irq_name = KGSL_2D1_IRQ,
 		},
-		.mutex = __MUTEX_INITIALIZER(device_2d1.dev.mutex),
-		.state = KGSL_STATE_INIT,
-		.active_cnt = 0,
 		.iomemname = KGSL_2D1_REG_MEMORY,
 		.ftbl = &z180_functable,
 	},
+	.cmdwin_lock = __SPIN_LOCK_INITIALIZER(device_2d1.cmdwin_lock),
 };
 
 static irqreturn_t z180_irq_handler(struct kgsl_device *device)
@@ -524,7 +518,6 @@
 	device->parentdev = &pdev->dev;
 
 	z180_dev = Z180_DEVICE(device);
-	spin_lock_init(&z180_dev->cmdwin_lock);
 
 	status = z180_ringbuffer_init(device);
 	if (status != 0)