74 struct mlxreg_lc {  struct
412 mlxreg_lc_create_static_devices(struct mlxreg_lc *mlxreg_lc, struct mlxreg_hotplug_device *devs,  in mlxreg_lc_create_static_devices()  argument
422 			dev_err(mlxreg_lc->dev, "Failed to create client %s at bus %d at addr 0x%02x\n",  in mlxreg_lc_create_static_devices()
443 mlxreg_lc_destroy_static_devices(struct mlxreg_lc *mlxreg_lc, struct mlxreg_hotplug_device *devs,  in mlxreg_lc_destroy_static_devices()  argument
458 static int mlxreg_lc_power_on_off(struct mlxreg_lc *mlxreg_lc, u8 action)  in mlxreg_lc_power_on_off()  argument
463 	err = regmap_read(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_pwr, &regval);  in mlxreg_lc_power_on_off()
468 		regval |= BIT(mlxreg_lc->data->slot - 1);  in mlxreg_lc_power_on_off()
470 		regval &= ~BIT(mlxreg_lc->data->slot - 1);  in mlxreg_lc_power_on_off()
472 	err = regmap_write(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_pwr, regval);  in mlxreg_lc_power_on_off()
478 static int mlxreg_lc_enable_disable(struct mlxreg_lc *mlxreg_lc, bool action)  in mlxreg_lc_enable_disable()  argument
491 	err = regmap_read(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_ena, &regval);  in mlxreg_lc_enable_disable()
496 		regval |= BIT(mlxreg_lc->data->slot - 1);  in mlxreg_lc_enable_disable()
498 		regval &= ~BIT(mlxreg_lc->data->slot - 1);  in mlxreg_lc_enable_disable()
500 	err = regmap_write(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_ena, regval);  in mlxreg_lc_enable_disable()
507 mlxreg_lc_sn4800_c16_config_init(struct mlxreg_lc *mlxreg_lc, void *regmap,  in mlxreg_lc_sn4800_c16_config_init()  argument
513 	mlxreg_lc->mux_data = mlxreg_lc_mux_data;  in mlxreg_lc_sn4800_c16_config_init()
514 	mlxreg_lc->io_data = &mlxreg_lc_regs_io;  in mlxreg_lc_sn4800_c16_config_init()
515 	mlxreg_lc->led_data = &mlxreg_lc_led;  in mlxreg_lc_sn4800_c16_config_init()
516 	mlxreg_lc->mux_brdinfo = &mlxreg_lc_mux_brdinfo;  in mlxreg_lc_sn4800_c16_config_init()
518 	mlxreg_lc->aux_devs = devm_kmemdup(dev, mlxreg_lc_aux_pwr_brdinfo,  in mlxreg_lc_sn4800_c16_config_init()
520 	if (!mlxreg_lc->aux_devs)  in mlxreg_lc_sn4800_c16_config_init()
522 	mlxreg_lc->aux_devs_num = ARRAY_SIZE(mlxreg_lc_aux_pwr_brdinfo);  in mlxreg_lc_sn4800_c16_config_init()
523 	mlxreg_lc->main_devs = devm_kmemdup(dev, mlxreg_lc_main_pwr_brdinfo,  in mlxreg_lc_sn4800_c16_config_init()
525 	if (!mlxreg_lc->main_devs)  in mlxreg_lc_sn4800_c16_config_init()
527 	mlxreg_lc->main_devs_num = ARRAY_SIZE(mlxreg_lc_main_pwr_brdinfo);  in mlxreg_lc_sn4800_c16_config_init()
533 mlxreg_lc_state_update(struct mlxreg_lc *mlxreg_lc, enum mlxreg_lc_state state, u8 action)  in mlxreg_lc_state_update()  argument
536 		mlxreg_lc->state |= state;  in mlxreg_lc_state_update()
538 		mlxreg_lc->state &= ~state;  in mlxreg_lc_state_update()
542 mlxreg_lc_state_update_locked(struct mlxreg_lc *mlxreg_lc, enum mlxreg_lc_state state, u8 action)  in mlxreg_lc_state_update_locked()  argument
544 	mutex_lock(&mlxreg_lc->lock);  in mlxreg_lc_state_update_locked()
547 		mlxreg_lc->state |= state;  in mlxreg_lc_state_update_locked()
549 		mlxreg_lc->state &= ~state;  in mlxreg_lc_state_update_locked()
551 	mutex_unlock(&mlxreg_lc->lock);  in mlxreg_lc_state_update_locked()
560 	struct mlxreg_lc *mlxreg_lc = handle;  in mlxreg_lc_event_handler()  local
563 	dev_info(mlxreg_lc->dev, "linecard#%d state %d event kind %d action %d\n",  in mlxreg_lc_event_handler()
564 		 mlxreg_lc->data->slot, mlxreg_lc->state, kind, action);  in mlxreg_lc_event_handler()
566 	mutex_lock(&mlxreg_lc->lock);  in mlxreg_lc_event_handler()
567 	if (!(mlxreg_lc->state & MLXREG_LC_INITIALIZED))  in mlxreg_lc_event_handler()
576 		mlxreg_lc_state_update(mlxreg_lc, MLXREG_LC_SYNCED, action);  in mlxreg_lc_event_handler()
578 		if (!(mlxreg_lc->state & MLXREG_LC_POWERED) && action) {  in mlxreg_lc_event_handler()
579 			err = mlxreg_lc_power_on_off(mlxreg_lc, 1);  in mlxreg_lc_event_handler()
584 		if (mlxreg_lc->state & MLXREG_LC_CONFIGURED && action)  in mlxreg_lc_event_handler()
585 			err = mlxreg_lc_enable_disable(mlxreg_lc, 1);  in mlxreg_lc_event_handler()
591 			if (mlxreg_lc->state & MLXREG_LC_POWERED) {  in mlxreg_lc_event_handler()
593 				if (mlxreg_lc->state & MLXREG_LC_CONFIGURED)  in mlxreg_lc_event_handler()
594 					err = mlxreg_lc_enable_disable(mlxreg_lc, 1);  in mlxreg_lc_event_handler()
598 			err = mlxreg_lc_create_static_devices(mlxreg_lc, mlxreg_lc->main_devs,  in mlxreg_lc_event_handler()
599 							      mlxreg_lc->main_devs_num);  in mlxreg_lc_event_handler()
604 			if (mlxreg_lc->state & MLXREG_LC_CONFIGURED)  in mlxreg_lc_event_handler()
605 				err = mlxreg_lc_enable_disable(mlxreg_lc, 1);  in mlxreg_lc_event_handler()
607 			mlxreg_lc_destroy_static_devices(mlxreg_lc, mlxreg_lc->main_devs,  in mlxreg_lc_event_handler()
608 							 mlxreg_lc->main_devs_num);  in mlxreg_lc_event_handler()
610 		mlxreg_lc_state_update(mlxreg_lc, MLXREG_LC_POWERED, action);  in mlxreg_lc_event_handler()
617 		err = mlxreg_lc_enable_disable(mlxreg_lc, !!action);  in mlxreg_lc_event_handler()
622 			err = mlxreg_lc_power_on_off(mlxreg_lc, 0);  in mlxreg_lc_event_handler()
632 	mutex_unlock(&mlxreg_lc->lock);  in mlxreg_lc_event_handler()
645 	struct mlxreg_lc *mlxreg_lc = handle;  in mlxreg_lc_completion_notify()  local
650 	aux_dev = mlxreg_lc->aux_devs;  in mlxreg_lc_completion_notify()
651 	for (i = 0; i < mlxreg_lc->aux_devs_num; i++, aux_dev++) {  in mlxreg_lc_completion_notify()
656 	err = mlxreg_lc_create_static_devices(mlxreg_lc, mlxreg_lc->aux_devs,  in mlxreg_lc_completion_notify()
657 					      mlxreg_lc->aux_devs_num);  in mlxreg_lc_completion_notify()
662 	main_dev = mlxreg_lc->main_devs;  in mlxreg_lc_completion_notify()
663 	for (i = 0; i < mlxreg_lc->main_devs_num; i++, main_dev++) {  in mlxreg_lc_completion_notify()
669 	err = regmap_read(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_pwr, &regval);  in mlxreg_lc_completion_notify()
673 	if (regval & mlxreg_lc->data->mask) {  in mlxreg_lc_completion_notify()
674 		err = mlxreg_lc_create_static_devices(mlxreg_lc, mlxreg_lc->main_devs,  in mlxreg_lc_completion_notify()
675 						      mlxreg_lc->main_devs_num);  in mlxreg_lc_completion_notify()
679 		mlxreg_lc_state_update_locked(mlxreg_lc, MLXREG_LC_POWERED, 1);  in mlxreg_lc_completion_notify()
683 	err = regmap_read(mlxreg_lc->par_regmap, mlxreg_lc->data->reg_sync, &regval);  in mlxreg_lc_completion_notify()
688 	if (regval & mlxreg_lc->data->mask) {  in mlxreg_lc_completion_notify()
689 		mlxreg_lc->state |= MLXREG_LC_SYNCED;  in mlxreg_lc_completion_notify()
690 		mlxreg_lc_state_update_locked(mlxreg_lc, MLXREG_LC_SYNCED, 1);  in mlxreg_lc_completion_notify()
691 		if (mlxreg_lc->state & ~MLXREG_LC_POWERED) {  in mlxreg_lc_completion_notify()
692 			err = mlxreg_lc_power_on_off(mlxreg_lc, 1);  in mlxreg_lc_completion_notify()
698 	mlxreg_lc_state_update_locked(mlxreg_lc, MLXREG_LC_INITIALIZED, 1);  in mlxreg_lc_completion_notify()
704 	if (mlxreg_lc->state & MLXREG_LC_POWERED)  in mlxreg_lc_completion_notify()
705 		mlxreg_lc_destroy_static_devices(mlxreg_lc, mlxreg_lc->main_devs,  in mlxreg_lc_completion_notify()
706 						 mlxreg_lc->main_devs_num);  in mlxreg_lc_completion_notify()
708 	mlxreg_lc_destroy_static_devices(mlxreg_lc, mlxreg_lc->aux_devs, mlxreg_lc->aux_devs_num);  in mlxreg_lc_completion_notify()
714 mlxreg_lc_config_init(struct mlxreg_lc *mlxreg_lc, void *regmap,  in mlxreg_lc_config_init()  argument
729 		err = mlxreg_lc_sn4800_c16_config_init(mlxreg_lc, regmap, data);  in mlxreg_lc_config_init()
742 	mlxreg_lc->mux_data->handle = mlxreg_lc;  in mlxreg_lc_config_init()
743 	mlxreg_lc->mux_data->completion_notify = mlxreg_lc_completion_notify;  in mlxreg_lc_config_init()
744 	mlxreg_lc->mux_brdinfo->platform_data = mlxreg_lc->mux_data;  in mlxreg_lc_config_init()
745 	mlxreg_lc->mux = platform_device_register_resndata(dev, "i2c-mux-mlxcpld", data->hpdev.nr,  in mlxreg_lc_config_init()
746 							   NULL, 0, mlxreg_lc->mux_data,  in mlxreg_lc_config_init()
747 							   sizeof(*mlxreg_lc->mux_data));  in mlxreg_lc_config_init()
748 	if (IS_ERR(mlxreg_lc->mux)) {  in mlxreg_lc_config_init()
751 		return PTR_ERR(mlxreg_lc->mux);  in mlxreg_lc_config_init()
755 	if (mlxreg_lc->io_data) {  in mlxreg_lc_config_init()
756 		mlxreg_lc->io_data->regmap = regmap;  in mlxreg_lc_config_init()
757 		mlxreg_lc->io_regs =  in mlxreg_lc_config_init()
759 						  mlxreg_lc->io_data, sizeof(*mlxreg_lc->io_data));  in mlxreg_lc_config_init()
760 		if (IS_ERR(mlxreg_lc->io_regs)) {  in mlxreg_lc_config_init()
764 			err = PTR_ERR(mlxreg_lc->io_regs);  in mlxreg_lc_config_init()
770 	if (mlxreg_lc->led_data) {  in mlxreg_lc_config_init()
771 		mlxreg_lc->led_data->regmap = regmap;  in mlxreg_lc_config_init()
772 		mlxreg_lc->led =  in mlxreg_lc_config_init()
774 						  mlxreg_lc->led_data,  in mlxreg_lc_config_init()
775 						  sizeof(*mlxreg_lc->led_data));  in mlxreg_lc_config_init()
776 		if (IS_ERR(mlxreg_lc->led)) {  in mlxreg_lc_config_init()
780 			err = PTR_ERR(mlxreg_lc->led);  in mlxreg_lc_config_init()
788 	if (mlxreg_lc->io_regs)  in mlxreg_lc_config_init()
789 		platform_device_unregister(mlxreg_lc->io_regs);  in mlxreg_lc_config_init()
791 	if (mlxreg_lc->mux)  in mlxreg_lc_config_init()
792 		platform_device_unregister(mlxreg_lc->mux);  in mlxreg_lc_config_init()
797 static void mlxreg_lc_config_exit(struct mlxreg_lc *mlxreg_lc)  in mlxreg_lc_config_exit()  argument
800 	if (mlxreg_lc->led)  in mlxreg_lc_config_exit()
801 		platform_device_unregister(mlxreg_lc->led);  in mlxreg_lc_config_exit()
803 	if (mlxreg_lc->io_regs)  in mlxreg_lc_config_exit()
804 		platform_device_unregister(mlxreg_lc->io_regs);  in mlxreg_lc_config_exit()
806 	if (mlxreg_lc->mux)  in mlxreg_lc_config_exit()
807 		platform_device_unregister(mlxreg_lc->mux);  in mlxreg_lc_config_exit()
814 	struct mlxreg_lc *mlxreg_lc;  in mlxreg_lc_probe()  local
822 	mlxreg_lc = devm_kzalloc(&pdev->dev, sizeof(*mlxreg_lc), GFP_KERNEL);  in mlxreg_lc_probe()
823 	if (!mlxreg_lc)  in mlxreg_lc_probe()
826 	mutex_init(&mlxreg_lc->lock);  in mlxreg_lc_probe()
829 	data->notifier->handle = mlxreg_lc;  in mlxreg_lc_probe()
880 	mlxreg_lc->par_regmap = par_pdata->regmap;  in mlxreg_lc_probe()
881 	mlxreg_lc->data = data;  in mlxreg_lc_probe()
882 	mlxreg_lc->dev = &pdev->dev;  in mlxreg_lc_probe()
883 	platform_set_drvdata(pdev, mlxreg_lc);  in mlxreg_lc_probe()
886 	err = mlxreg_lc_config_init(mlxreg_lc, regmap, data);  in mlxreg_lc_probe()
913 	struct mlxreg_lc *mlxreg_lc = platform_get_drvdata(pdev);  in mlxreg_lc_remove()  local
915 	mlxreg_lc_state_update_locked(mlxreg_lc, MLXREG_LC_INITIALIZED, 0);  in mlxreg_lc_remove()
931 	mlxreg_lc_destroy_static_devices(mlxreg_lc, mlxreg_lc->main_devs,  in mlxreg_lc_remove()
932 					 mlxreg_lc->main_devs_num);  in mlxreg_lc_remove()
934 	mlxreg_lc_destroy_static_devices(mlxreg_lc, mlxreg_lc->aux_devs, mlxreg_lc->aux_devs_num);  in mlxreg_lc_remove()
936 	mlxreg_lc_config_exit(mlxreg_lc);  in mlxreg_lc_remove()