pm-domains.c (0d946ef4646092a23de2baf7b9d3063fe5571e82) pm-domains.c (da64dae42672a03eb877ebf21bde847215f5fa29)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Rockchip Generic power domain support.
4 *
5 * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
6 */
7
8#include <linux/io.h>

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905 pmu_info->gpu_power_transition_time);
906
907 error = -ENODEV;
908
909 /*
910 * Prevent any rockchip_pmu_block() from racing with the remainder of
911 * setup (clocks, register initialization).
912 */
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Rockchip Generic power domain support.
4 *
5 * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
6 */
7
8#include <linux/io.h>

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905 pmu_info->gpu_power_transition_time);
906
907 error = -ENODEV;
908
909 /*
910 * Prevent any rockchip_pmu_block() from racing with the remainder of
911 * setup (clocks, register initialization).
912 */
913 mutex_lock(&dmc_pmu_mutex);
913 guard(mutex)(&dmc_pmu_mutex);
914
915 for_each_available_child_of_node_scoped(np, node) {
916 error = rockchip_pm_add_one_domain(pmu, node);
917 if (error) {
918 dev_err(dev, "failed to handle node %pOFn: %d\n",
919 node, error);
920 goto err_out;
921 }

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938 dev_err(dev, "failed to add provider: %d\n", error);
939 goto err_out;
940 }
941
942 /* We only expect one PMU. */
943 if (!WARN_ON_ONCE(dmc_pmu))
944 dmc_pmu = pmu;
945
914
915 for_each_available_child_of_node_scoped(np, node) {
916 error = rockchip_pm_add_one_domain(pmu, node);
917 if (error) {
918 dev_err(dev, "failed to handle node %pOFn: %d\n",
919 node, error);
920 goto err_out;
921 }

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938 dev_err(dev, "failed to add provider: %d\n", error);
939 goto err_out;
940 }
941
942 /* We only expect one PMU. */
943 if (!WARN_ON_ONCE(dmc_pmu))
944 dmc_pmu = pmu;
945
946 mutex_unlock(&dmc_pmu_mutex);
947
948 return 0;
949
950err_out:
951 rockchip_pm_domain_cleanup(pmu);
946 return 0;
947
948err_out:
949 rockchip_pm_domain_cleanup(pmu);
952 mutex_unlock(&dmc_pmu_mutex);
953 return error;
954}
955
956static const struct rockchip_domain_info px30_pm_domains[] = {
957 [PX30_PD_USB] = DOMAIN_PX30("usb", BIT(5), BIT(5), BIT(10), false),
958 [PX30_PD_SDCARD] = DOMAIN_PX30("sdcard", BIT(8), BIT(8), BIT(9), false),
959 [PX30_PD_GMAC] = DOMAIN_PX30("gmac", BIT(10), BIT(10), BIT(6), false),
960 [PX30_PD_MMC_NAND] = DOMAIN_PX30("mmc_nand", BIT(11), BIT(11), BIT(5), false),

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951}
952
953static const struct rockchip_domain_info px30_pm_domains[] = {
954 [PX30_PD_USB] = DOMAIN_PX30("usb", BIT(5), BIT(5), BIT(10), false),
955 [PX30_PD_SDCARD] = DOMAIN_PX30("sdcard", BIT(8), BIT(8), BIT(9), false),
956 [PX30_PD_GMAC] = DOMAIN_PX30("gmac", BIT(10), BIT(10), BIT(6), false),
957 [PX30_PD_MMC_NAND] = DOMAIN_PX30("mmc_nand", BIT(11), BIT(11), BIT(5), false),

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