[PATCH RFC 005/111] staging: etnaviv: remove IOMMUv2 stubs

[Lucas Stach]

IOMMUv2 support isn't implemented yet, so don't pretend it is there.

Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
---
 drivers/staging/etnaviv/etnaviv_gpu.c      | 10 ++++++----
 drivers/staging/etnaviv/etnaviv_iommu_v2.c | 32 ------------------------------
 drivers/staging/etnaviv/etnaviv_iommu_v2.h | 25 -----------------------
 3 files changed, 6 insertions(+), 61 deletions(-)
 delete mode 100644 drivers/staging/etnaviv/etnaviv_iommu_v2.c
 delete mode 100644 drivers/staging/etnaviv/etnaviv_iommu_v2.h

diff --git a/drivers/staging/etnaviv/etnaviv_gpu.c b/drivers/staging/etnaviv/etnaviv_gpu.c
index d2d0556a9bad..e3b93c293dca 100644
--- a/drivers/staging/etnaviv/etnaviv_gpu.c
+++ b/drivers/staging/etnaviv/etnaviv_gpu.c
@@ -21,7 +21,6 @@
 #include "etnaviv_gem.h"
 #include "etnaviv_mmu.h"
 #include "etnaviv_iommu.h"
-#include "etnaviv_iommu_v2.h"
 #include "common.xml.h"
 #include "state.xml.h"
 #include "state_hi.xml.h"
@@ -329,10 +328,13 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
 	mmuv2 = gpu->identity.minor_features1 & chipMinorFeatures1_MMU_VERSION;
 	dev_dbg(gpu->dev->dev, "mmuv2: %d\n", mmuv2);
 
-	if (!mmuv2)
+	if (!mmuv2) {
 		iommu = etnaviv_iommu_domain_alloc(gpu);
-	else
-		iommu = etnaviv_iommu_v2_domain_alloc(gpu);
+	} else {
+		dev_err(gpu->dev, "IOMMUv2 support is not implemented yet!\n");
+		ret = -ENODEV;
+		goto fail;
+	}
 
 	if (!iommu) {
 		ret = -ENOMEM;
diff --git a/drivers/staging/etnaviv/etnaviv_iommu_v2.c b/drivers/staging/etnaviv/etnaviv_iommu_v2.c
deleted file mode 100644
index 3039ee9cbc6d..000000000000
--- a/drivers/staging/etnaviv/etnaviv_iommu_v2.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2014 Christian Gmeiner <christian.gmeiner at gmail.com>
-  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/iommu.h>
-#include <linux/platform_device.h>
-#include <linux/sizes.h>
-#include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <linux/bitops.h>
-
-#include "etnaviv_gpu.h"
-#include "state_hi.xml.h"
-
-
-struct iommu_domain *etnaviv_iommu_v2_domain_alloc(struct etnaviv_gpu *gpu)
-{
-	/* TODO */
-	return NULL;
-}
diff --git a/drivers/staging/etnaviv/etnaviv_iommu_v2.h b/drivers/staging/etnaviv/etnaviv_iommu_v2.h
deleted file mode 100644
index 603ea41c5389..000000000000
--- a/drivers/staging/etnaviv/etnaviv_iommu_v2.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2014 Christian Gmeiner <christian.gmeiner at gmail.com>
-  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __ETNAVIV_IOMMU_V2_H__
-#define __ETNAVIV_IOMMU_V2_H__
-
-#include <linux/iommu.h>
-struct etnaviv_gpu;
-
-struct iommu_domain *etnaviv_iommu_v2_domain_alloc(struct etnaviv_gpu *gpu);
-
-#endif /* __ETNAVIV_IOMMU_V2_H__ */
-- 
2.1.4