add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/powerpc/platforms/ps3/system-bus.c
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@@ -1,27 +1,15 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  PS3 system bus driver.
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  *
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  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
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  *  Copyright 2006 Sony Corp.
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; version 2 of the License.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */
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 #include <linux/kernel.h>
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 #include <linux/init.h>
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 #include <linux/export.h>
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-#include <linux/dma-mapping.h>
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+#include <linux/dma-map-ops.h>
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 #include <linux/err.h>
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 #include <linux/slab.h>
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@@ -37,12 +25,12 @@
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 };
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 /* FIXME: need device usage counters! */
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-struct {
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+static struct {
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 	struct mutex mutex;
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 	int sb_11; /* usb 0 */
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 	int sb_12; /* usb 0 */
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 	int gpu;
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-} static usage_hack;
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+} usage_hack;
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 static int ps3_is_device(struct ps3_system_bus_device *dev, u64 bus_id,
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 			 u64 dev_id)
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@@ -698,20 +686,18 @@
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 	return mask >= DMA_BIT_MASK(32);
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 }
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-static u64 ps3_dma_get_required_mask(struct device *_dev)
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-{
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-	return DMA_BIT_MASK(32);
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-}
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-
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 static const struct dma_map_ops ps3_sb_dma_ops = {
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 	.alloc = ps3_alloc_coherent,
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 	.free = ps3_free_coherent,
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 	.map_sg = ps3_sb_map_sg,
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 	.unmap_sg = ps3_sb_unmap_sg,
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 	.dma_supported = ps3_dma_supported,
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-	.get_required_mask = ps3_dma_get_required_mask,
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 	.map_page = ps3_sb_map_page,
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 	.unmap_page = ps3_unmap_page,
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+	.mmap = dma_common_mmap,
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+	.get_sgtable = dma_common_get_sgtable,
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+	.alloc_pages = dma_common_alloc_pages,
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+	.free_pages = dma_common_free_pages,
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 };
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 static const struct dma_map_ops ps3_ioc0_dma_ops = {
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@@ -720,9 +706,12 @@
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 	.map_sg = ps3_ioc0_map_sg,
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 	.unmap_sg = ps3_ioc0_unmap_sg,
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 	.dma_supported = ps3_dma_supported,
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-	.get_required_mask = ps3_dma_get_required_mask,
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 	.map_page = ps3_ioc0_map_page,
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 	.unmap_page = ps3_unmap_page,
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+	.mmap = dma_common_mmap,
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+	.get_sgtable = dma_common_get_sgtable,
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+	.alloc_pages = dma_common_alloc_pages,
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+	.free_pages = dma_common_free_pages,
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 };
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 /**