fastrpc.c (86008304dc2ad41a274cdacb585c641ec6bbb558) fastrpc.c (01b76c32e3f30d54ab8ec1efeed3c6ecef7f6027)
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.
3// Copyright (c) 2018, Linaro Limited
4
5#include <linux/completion.h>
6#include <linux/device.h>
7#include <linux/dma-buf.h>
8#include <linux/dma-mapping.h>

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1179};
1180
1181static int fastrpc_cb_probe(struct platform_device *pdev)
1182{
1183 struct fastrpc_channel_ctx *cctx;
1184 struct fastrpc_session_ctx *sess;
1185 struct device *dev = &pdev->dev;
1186 int i, sessions = 0;
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.
3// Copyright (c) 2018, Linaro Limited
4
5#include <linux/completion.h>
6#include <linux/device.h>
7#include <linux/dma-buf.h>
8#include <linux/dma-mapping.h>

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1179};
1180
1181static int fastrpc_cb_probe(struct platform_device *pdev)
1182{
1183 struct fastrpc_channel_ctx *cctx;
1184 struct fastrpc_session_ctx *sess;
1185 struct device *dev = &pdev->dev;
1186 int i, sessions = 0;
1187 int rc;
1187
1188 cctx = dev_get_drvdata(dev->parent);
1189 if (!cctx)
1190 return -EINVAL;
1191
1192 of_property_read_u32(dev->of_node, "qcom,nsessions", &sessions);
1193
1194 spin_lock(&cctx->lock);

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1208 if (cctx->sesscount++ >= FASTRPC_MAX_SESSIONS)
1209 break;
1210 dup_sess = &cctx->session[cctx->sesscount];
1211 memcpy(dup_sess, sess, sizeof(*dup_sess));
1212 }
1213 }
1214 cctx->sesscount++;
1215 spin_unlock(&cctx->lock);
1188
1189 cctx = dev_get_drvdata(dev->parent);
1190 if (!cctx)
1191 return -EINVAL;
1192
1193 of_property_read_u32(dev->of_node, "qcom,nsessions", &sessions);
1194
1195 spin_lock(&cctx->lock);

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1209 if (cctx->sesscount++ >= FASTRPC_MAX_SESSIONS)
1210 break;
1211 dup_sess = &cctx->session[cctx->sesscount];
1212 memcpy(dup_sess, sess, sizeof(*dup_sess));
1213 }
1214 }
1215 cctx->sesscount++;
1216 spin_unlock(&cctx->lock);
1216 dma_set_mask(dev, DMA_BIT_MASK(32));
1217 rc = dma_set_mask(dev, DMA_BIT_MASK(32));
1218 if (rc) {
1219 dev_err(dev, "32-bit DMA enable failed\n");
1220 return rc;
1221 }
1217
1218 return 0;
1219}
1220
1221static int fastrpc_cb_remove(struct platform_device *pdev)
1222{
1223 struct fastrpc_channel_ctx *cctx = dev_get_drvdata(pdev->dev.parent);
1224 struct fastrpc_session_ctx *sess = dev_get_drvdata(&pdev->dev);

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1223 return 0;
1224}
1225
1226static int fastrpc_cb_remove(struct platform_device *pdev)
1227{
1228 struct fastrpc_channel_ctx *cctx = dev_get_drvdata(pdev->dev.parent);
1229 struct fastrpc_session_ctx *sess = dev_get_drvdata(&pdev->dev);

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