bt1-apb.c (a23e1966932464e1c5226cb9ac4ce1d5fc10ba22) bt1-apb.c (6c4cdf4e126675d8ce0ead810c30831ee1c0997f)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
4 *
5 * Authors:
6 * Serge Semin <Sergey.Semin@baikalelectronics.ru>
7 *
8 * Baikal-T1 APB-bus driver

--- 171 unchanged lines hidden (view full) ---

180
181 ret = reset_control_deassert(apb->prst);
182 if (ret)
183 dev_err(apb->dev, "Failed to deassert the reset line\n");
184
185 return ret;
186}
187
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
4 *
5 * Authors:
6 * Serge Semin <Sergey.Semin@baikalelectronics.ru>
7 *
8 * Baikal-T1 APB-bus driver

--- 171 unchanged lines hidden (view full) ---

180
181 ret = reset_control_deassert(apb->prst);
182 if (ret)
183 dev_err(apb->dev, "Failed to deassert the reset line\n");
184
185 return ret;
186}
187
188static void bt1_apb_disable_clk(void *data)
189{
190 struct bt1_apb *apb = data;
191
192 clk_disable_unprepare(apb->pclk);
193}
194
195static int bt1_apb_request_clk(struct bt1_apb *apb)
196{
188static int bt1_apb_request_clk(struct bt1_apb *apb)
189{
197 int ret;
198
199 apb->pclk = devm_clk_get(apb->dev, "pclk");
190 apb->pclk = devm_clk_get_enabled(apb->dev, "pclk");
200 if (IS_ERR(apb->pclk))
201 return dev_err_probe(apb->dev, PTR_ERR(apb->pclk),
202 "Couldn't get APB clock descriptor\n");
203
191 if (IS_ERR(apb->pclk))
192 return dev_err_probe(apb->dev, PTR_ERR(apb->pclk),
193 "Couldn't get APB clock descriptor\n");
194
204 ret = clk_prepare_enable(apb->pclk);
205 if (ret) {
206 dev_err(apb->dev, "Couldn't enable the APB clock\n");
207 return ret;
208 }
209
210 ret = devm_add_action_or_reset(apb->dev, bt1_apb_disable_clk, apb);
211 if (ret) {
212 dev_err(apb->dev, "Can't add APB EHB clocks disable action\n");
213 return ret;
214 }
215
216 apb->rate = clk_get_rate(apb->pclk);
217 if (!apb->rate) {
218 dev_err(apb->dev, "Invalid clock rate\n");
219 return -EINVAL;
220 }
221
222 return 0;
223}

--- 194 unchanged lines hidden --- 		195 apb->rate = clk_get_rate(apb->pclk);
196 if (!apb->rate) {
197 dev_err(apb->dev, "Invalid clock rate\n");
198 return -EINVAL;
199 }
200
201 return 0;
202}

--- 194 unchanged lines hidden ---