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: Jinyoung Park <jinyoungp@nvidia.com>
Signed-off-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

diff --git a/drivers/regulator/max77620-regulator.c b/drivers/regulator/max77620-regulator.c
index b94e3a721721b26449be79a49f287411a60d33b0..cd93cf53e23c08c951346b9ff895a4a40a699d01 100644 (file)
--- a/drivers/regulator/max77620-regulator.c
+++ b/drivers/regulator/max77620-regulator.c
@@ -1,7 +1,7 @@
 /*
  * 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)