video: tegra: host: Remove version from dev name

Remove version from nvhost_device name, and use a new field,
version, to distinguish between IP versions. This restores the
sysfs API for 3D clock scaling back to its original path.

Change-Id: I444ef728b7cab9e5ea3a08f3c7be0f1661209686
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/108501
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>

5 files changed, 18 insertions, 21 deletions

diff --git a/drivers/video/tegra/host/bus.c b/drivers/video/tegra/host/bus.c
index 3b769f41170d..758a5ca4ad94 100644
--- a/drivers/video/tegra/host/bus.c
+++ b/drivers/video/tegra/host/bus.c
@@ -79,7 +79,8 @@ static struct nvhost_device_id *nvhost_bus_match_id(struct nvhost_device *dev,
 	struct nvhost_device_id *id_table)
 {
 	while (id_table->name[0]) {
-		if (strcmp(dev->name, id_table->name) == 0)
+		if (strcmp(dev->name, id_table->name) == 0
+				&& dev->version == id_table->version)
 			return id_table;
 		id_table++;
 	}
diff --git a/drivers/video/tegra/host/gr3d/gr3d.c b/drivers/video/tegra/host/gr3d/gr3d.c
index 1ea4414c2cfb..5338ce9edb7a 100644
--- a/drivers/video/tegra/host/gr3d/gr3d.c
+++ b/drivers/video/tegra/host/gr3d/gr3d.c
@@ -157,7 +157,7 @@ int nvhost_gr3d_prepare_power_off(struct nvhost_device *dev)
 }
 
 enum gr3d_ip_ver {
-	gr3d_01,
+	gr3d_01 = 1,
 	gr3d_02,
 };
 
@@ -197,8 +197,8 @@ static const struct gr3d_desc gr3d[] = {
 };
 
 static struct nvhost_device_id gr3d_id[] = {
-	{ "gr3d01", gr3d_01 },
-	{ "gr3d02", gr3d_02 },
+	{ "gr3d", gr3d_01 },
+	{ "gr3d", gr3d_02 },
 	{ },
 };
 
@@ -210,7 +210,7 @@ static int __devinit gr3d_probe(struct nvhost_device *dev,
 	int index = 0;
 	struct nvhost_driver *drv = to_nvhost_driver(dev->dev.driver);
 
-	index = id_table->driver_data;
+	index = id_table->version;
 
 	drv->finalize_poweron		= gr3d[index].finalize_poweron;
 	drv->busy			= gr3d[index].busy;
@@ -221,10 +221,6 @@ static int __devinit gr3d_probe(struct nvhost_device *dev,
 	drv->prepare_poweroff		= gr3d[index].prepare_poweroff;
 	drv->alloc_hwctx_handler	= gr3d[index].alloc_hwctx_handler;
 
-	/* reset device name so that consistent device name can be
-	 * found in clock tree */
-	dev->name = "gr3d";
-
 	nvhost_set_register_sets(tegra_gpu_register_sets());
 	return nvhost_client_device_init(dev);
 }
diff --git a/drivers/video/tegra/host/mpe/mpe.c b/drivers/video/tegra/host/mpe/mpe.c
index 57770ce617d7..9f9055311b35 100644
--- a/drivers/video/tegra/host/mpe/mpe.c
+++ b/drivers/video/tegra/host/mpe/mpe.c
@@ -593,7 +593,7 @@ int nvhost_mpe_prepare_power_off(struct nvhost_device *dev)
 }
 
 enum mpe_ip_ver {
-	mpe_01,
+	mpe_01 = 1,
 	mpe_02,
 };
 
@@ -615,8 +615,8 @@ static const struct mpe_desc mpe[] = {
 };
 
 static struct nvhost_device_id mpe_id[] = {
-	{ "mpe01", mpe_01 },
-	{ "mpe02", mpe_02 },
+	{ "mpe", mpe_01 },
+	{ "mpe", mpe_02 },
 	{ },
 };
 
@@ -629,15 +629,11 @@ static int __devinit mpe_probe(struct nvhost_device *dev,
 	int index = 0;
 	struct nvhost_driver *drv = to_nvhost_driver(dev->dev.driver);
 
-	index = id_table->driver_data;
+	index = id_table->version;
 
 	drv->prepare_poweroff		= mpe[index].prepare_poweroff;
 	drv->alloc_hwctx_handler	= mpe[index].alloc_hwctx_handler;
 
-	/* reset device name so that consistent device name can be
-	 * found in clock tree */
-	dev->name = "mpe";
-
 	err = nvhost_client_device_get_resources(dev);
 	if (err)
 		return err;
diff --git a/drivers/video/tegra/host/t20/t20.c b/drivers/video/tegra/host/t20/t20.c
index 9b27c74ffd48..93e73e501ce0 100644
--- a/drivers/video/tegra/host/t20/t20.c
+++ b/drivers/video/tegra/host/t20/t20.c
@@ -118,7 +118,8 @@ static struct nvhost_device tegra_display01_device = {
 };
 
 static struct nvhost_device tegra_gr3d01_device = {
-	.name		= "gr3d01",
+	.name		= "gr3d",
+	.version	= 1,
 	.id		= -1,
 	.index		= 1,
 	.syncpts	= BIT(NVSYNCPT_3D),
@@ -204,7 +205,8 @@ static struct resource tegra_mpe01_resources[] = {
 };
 
 static struct nvhost_device tegra_mpe01_device = {
-	.name		= "mpe01",
+	.name		= "mpe",
+	.version	= 1,
 	.id		= -1,
 	.resource	= tegra_mpe01_resources,
 	.num_resources	= ARRAY_SIZE(tegra_mpe01_resources),
diff --git a/drivers/video/tegra/host/t30/t30.c b/drivers/video/tegra/host/t30/t30.c
index 9f43036c8523..b74c561c05aa 100644
--- a/drivers/video/tegra/host/t30/t30.c
+++ b/drivers/video/tegra/host/t30/t30.c
@@ -118,7 +118,8 @@ static struct nvhost_device tegra_display01_device = {
 };
 
 static struct nvhost_device tegra_gr3d02_device = {
-	.name		= "gr3d02",
+	.name		= "gr3d",
+	.version	= 2,
 	.id		= -1,
 	.index		= 1,
 	.syncpts	= BIT(NVSYNCPT_3D),
@@ -210,7 +211,8 @@ static struct resource tegra_mpe01_resources[] = {
 };
 
 static struct nvhost_device tegra_mpe02_device = {
-	.name		= "mpe02",
+	.name		= "mpe",
+	.version	= 2,
 	.id		= -1,
 	.resource	= tegra_mpe01_resources,
 	.num_resources	= ARRAY_SIZE(tegra_mpe01_resources),