spi-rockchip.c (3a4bf922d42efa4e9a3dc803d1fd786d43e8a501) spi-rockchip.c (e882575efc771f130a24322377dc1033551da11d)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
4 * Author: Addy Ke <addy.ke@rock-chips.com>
5 */
6
7#include <linux/clk.h>
8#include <linux/dmaengine.h>

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

959 return 0;
960}
961
962#ifdef CONFIG_PM_SLEEP
963static int rockchip_spi_suspend(struct device *dev)
964{
965 int ret;
966 struct spi_controller *ctlr = dev_get_drvdata(dev);
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
4 * Author: Addy Ke <addy.ke@rock-chips.com>
5 */
6
7#include <linux/clk.h>
8#include <linux/dmaengine.h>

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

959 return 0;
960}
961
962#ifdef CONFIG_PM_SLEEP
963static int rockchip_spi_suspend(struct device *dev)
964{
965 int ret;
966 struct spi_controller *ctlr = dev_get_drvdata(dev);
967 struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
967
968 ret = spi_controller_suspend(ctlr);
969 if (ret < 0)
970 return ret;
971
968
969 ret = spi_controller_suspend(ctlr);
970 if (ret < 0)
971 return ret;
972
972 ret = pm_runtime_force_suspend(dev);
973 if (ret < 0)
974 return ret;
973 clk_disable_unprepare(rs->spiclk);
974 clk_disable_unprepare(rs->apb_pclk);
975
976 pinctrl_pm_select_sleep_state(dev);
977
978 return 0;
979}
980
981static int rockchip_spi_resume(struct device *dev)
982{
983 int ret;
984 struct spi_controller *ctlr = dev_get_drvdata(dev);
985 struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
986
987 pinctrl_pm_select_default_state(dev);
988
975
976 pinctrl_pm_select_sleep_state(dev);
977
978 return 0;
979}
980
981static int rockchip_spi_resume(struct device *dev)
982{
983 int ret;
984 struct spi_controller *ctlr = dev_get_drvdata(dev);
985 struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
986
987 pinctrl_pm_select_default_state(dev);
988
989 ret = pm_runtime_force_resume(dev);
989 ret = clk_prepare_enable(rs->apb_pclk);
990 if (ret < 0)
991 return ret;
992
990 if (ret < 0)
991 return ret;
992
993 ret = clk_prepare_enable(rs->spiclk);
994 if (ret < 0)
995 clk_disable_unprepare(rs->apb_pclk);
996
993 ret = spi_controller_resume(ctlr);
994 if (ret < 0) {
995 clk_disable_unprepare(rs->spiclk);
996 clk_disable_unprepare(rs->apb_pclk);
997 }
998
999 return 0;
1000}

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

1026 if (ret < 0)
1027 clk_disable_unprepare(rs->apb_pclk);
1028
1029 return 0;
1030}
1031#endif /* CONFIG_PM */
1032
1033static const struct dev_pm_ops rockchip_spi_pm = {
997 ret = spi_controller_resume(ctlr);
998 if (ret < 0) {
999 clk_disable_unprepare(rs->spiclk);
1000 clk_disable_unprepare(rs->apb_pclk);
1001 }
1002
1003 return 0;
1004}

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

1030 if (ret < 0)
1031 clk_disable_unprepare(rs->apb_pclk);
1032
1033 return 0;
1034}
1035#endif /* CONFIG_PM */
1036
1037static const struct dev_pm_ops rockchip_spi_pm = {
1034 SET_SYSTEM_SLEEP_PM_OPS(rockchip_spi_suspend, rockchip_spi_resume)
1038 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(rockchip_spi_suspend, rockchip_spi_resume)
1035 SET_RUNTIME_PM_OPS(rockchip_spi_runtime_suspend,
1036 rockchip_spi_runtime_resume, NULL)
1037};
1038
1039static const struct of_device_id rockchip_spi_dt_match[] = {
1040 { .compatible = "rockchip,px30-spi", },
1041 { .compatible = "rockchip,rk3036-spi", },
1042 { .compatible = "rockchip,rk3066-spi", },

--- 28 unchanged lines hidden --- 		1039 SET_RUNTIME_PM_OPS(rockchip_spi_runtime_suspend,
1040 rockchip_spi_runtime_resume, NULL)
1041};
1042
1043static const struct of_device_id rockchip_spi_dt_match[] = {
1044 { .compatible = "rockchip,px30-spi", },
1045 { .compatible = "rockchip,rk3036-spi", },
1046 { .compatible = "rockchip,rk3066-spi", },

--- 28 unchanged lines hidden ---