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-rw-r--r--drivers/fpga/altera-pr-ip-core.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c
index a7b31f9797ce..65e0b6a2c031 100644
--- a/drivers/fpga/altera-pr-ip-core.c
+++ b/drivers/fpga/altera-pr-ip-core.c
@@ -1,3 +1,4 @@
1// SPDX-License-Identifier: GPL-2.0
1/* 2/*
2 * Driver for Altera Partial Reconfiguration IP Core 3 * Driver for Altera Partial Reconfiguration IP Core
3 * 4 *
@@ -5,18 +6,6 @@
5 * 6 *
6 * Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation 7 * Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation
7 * by Alan Tull <atull@opensource.altera.com> 8 * by Alan Tull <atull@opensource.altera.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 *
18 * You should have received a copy of the GNU General Public License along with
19 * this program. If not, see <http://www.gnu.org/licenses/>.
20 */ 9 */
21#include <linux/delay.h> 10#include <linux/delay.h>
22#include <linux/fpga/altera-pr-ip-core.h> 11#include <linux/fpga/altera-pr-ip-core.h>
@@ -187,6 +176,8 @@ static const struct fpga_manager_ops alt_pr_ops = {
187int alt_pr_register(struct device *dev, void __iomem *reg_base) 176int alt_pr_register(struct device *dev, void __iomem *reg_base)
188{ 177{
189 struct alt_pr_priv *priv; 178 struct alt_pr_priv *priv;
179 struct fpga_manager *mgr;
180 int ret;
190 u32 val; 181 u32 val;
191 182
192 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 183 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -201,15 +192,27 @@ int alt_pr_register(struct device *dev, void __iomem *reg_base)
201 (val & ALT_PR_CSR_STATUS_MSK) >> ALT_PR_CSR_STATUS_SFT, 192 (val & ALT_PR_CSR_STATUS_MSK) >> ALT_PR_CSR_STATUS_SFT,
202 (int)(val & ALT_PR_CSR_PR_START)); 193 (int)(val & ALT_PR_CSR_PR_START));
203 194
204 return fpga_mgr_register(dev, dev_name(dev), &alt_pr_ops, priv); 195 mgr = fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv);
196 if (!mgr)
197 return -ENOMEM;
198
199 dev_set_drvdata(dev, mgr);
200
201 ret = fpga_mgr_register(mgr);
202 if (ret)
203 fpga_mgr_free(mgr);
204
205 return ret;
205} 206}
206EXPORT_SYMBOL_GPL(alt_pr_register); 207EXPORT_SYMBOL_GPL(alt_pr_register);
207 208
208int alt_pr_unregister(struct device *dev) 209int alt_pr_unregister(struct device *dev)
209{ 210{
211 struct fpga_manager *mgr = dev_get_drvdata(dev);
212
210 dev_dbg(dev, "%s\n", __func__); 213 dev_dbg(dev, "%s\n", __func__);
211 214
212 fpga_mgr_unregister(dev); 215 fpga_mgr_unregister(mgr);
213 216
214 return 0; 217 return 0;
215} 218}