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Unverified Commit 0ab66b3c authored by Mark Zhang's avatar Mark Zhang Committed by Mark Brown
Browse files

regulator: max77620: Initialize values for DT properties 



If regulator DT node doesn't exist, its of_parse_cb callback
function isn't called. Then all values for DT properties are
filled with zero. This leads to wrong register update for
FPS and POK settings.

Signed-off-by: default avatarJinyoung Park <jinyoungp@nvidia.com>
Signed-off-by: default avatarMark Zhang <markz@nvidia.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent d6afa2be

drivers/regulator/max77620-regulator.c

+9 −1
Original line number Diff line number Diff line 
/*

 * Maxim MAX77620 Regulator driver

 *

 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.

 * Copyright (c) 2016-2018, NVIDIA CORPORATION.  All rights reserved.

 *

 * Author: Mallikarjun Kasoju <mkasoju@nvidia.com>

 *	Laxman Dewangan <ldewangan@nvidia.com>
@@ -803,6 +803,14 @@ static int max77620_regulator_probe(struct platform_device *pdev) 
		rdesc = &rinfo[id].desc;

		pmic->rinfo[id] = &max77620_regs_info[id];

		pmic->enable_power_mode[id] = MAX77620_POWER_MODE_NORMAL;

		pmic->reg_pdata[id].active_fps_src = -1;

		pmic->reg_pdata[id].active_fps_pd_slot = -1;

		pmic->reg_pdata[id].active_fps_pu_slot = -1;

		pmic->reg_pdata[id].suspend_fps_src = -1;

		pmic->reg_pdata[id].suspend_fps_pd_slot = -1;

		pmic->reg_pdata[id].suspend_fps_pu_slot = -1;

		pmic->reg_pdata[id].power_ok = -1;

		pmic->reg_pdata[id].ramp_rate_setting = -1;



		ret = max77620_read_slew_rate(pmic, id);

		if (ret < 0)