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path: root/drivers/regulator/palmas-regulator.c
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Diffstat (limited to 'drivers/regulator/palmas-regulator.c')
-rw-r--r--drivers/regulator/palmas-regulator.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 17d19fbbc490..46c7e88f8381 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -486,9 +486,12 @@ static int palmas_map_voltage_ldo(struct regulator_dev *rdev,
486{ 486{
487 int ret, voltage; 487 int ret, voltage;
488 488
489 ret = ((min_uV - 900000) / 50000) + 1; 489 if (min_uV == 0)
490 if (ret < 0) 490 return 0;
491 return ret; 491
492 if (min_uV < 900000)
493 min_uV = 900000;
494 ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1;
492 495
493 /* Map back into a voltage to verify we're still in bounds */ 496 /* Map back into a voltage to verify we're still in bounds */
494 voltage = palmas_list_voltage_ldo(rdev, ret); 497 voltage = palmas_list_voltage_ldo(rdev, ret);
@@ -586,7 +589,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
586 589
587 addr = palmas_regs_info[id].ctrl_addr; 590 addr = palmas_regs_info[id].ctrl_addr;
588 591
589 ret = palmas_smps_read(palmas, addr, &reg); 592 ret = palmas_ldo_read(palmas, addr, &reg);
590 if (ret) 593 if (ret)
591 return ret; 594 return ret;
592 595
@@ -596,7 +599,7 @@ static int palmas_ldo_init(struct palmas *palmas, int id,
596 if (reg_init->mode_sleep) 599 if (reg_init->mode_sleep)
597 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP; 600 reg |= PALMAS_LDO1_CTRL_MODE_SLEEP;
598 601
599 ret = palmas_smps_write(palmas, addr, reg); 602 ret = palmas_ldo_write(palmas, addr, reg);
600 if (ret) 603 if (ret)
601 return ret; 604 return ret;
602 605
@@ -630,7 +633,7 @@ static __devinit int palmas_probe(struct platform_device *pdev)
630 633
631 ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg); 634 ret = palmas_smps_read(palmas, PALMAS_SMPS_CTRL, &reg);
632 if (ret) 635 if (ret)
633 goto err_unregister_regulator; 636 return ret;
634 637
635 if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) 638 if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
636 pmic->smps123 = 1; 639 pmic->smps123 = 1;
@@ -676,7 +679,9 @@ static __devinit int palmas_probe(struct platform_device *pdev)
676 case PALMAS_REG_SMPS10: 679 case PALMAS_REG_SMPS10:
677 pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; 680 pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
678 pmic->desc[id].ops = &palmas_ops_smps10; 681 pmic->desc[id].ops = &palmas_ops_smps10;
679 pmic->desc[id].vsel_reg = PALMAS_SMPS10_CTRL; 682 pmic->desc[id].vsel_reg =
683 PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
684 PALMAS_SMPS10_CTRL);
680 pmic->desc[id].vsel_mask = SMPS10_VSEL; 685 pmic->desc[id].vsel_mask = SMPS10_VSEL;
681 pmic->desc[id].enable_reg = 686 pmic->desc[id].enable_reg =
682 PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, 687 PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
@@ -778,8 +783,10 @@ static __devinit int palmas_probe(struct platform_device *pdev)
778 reg_init = pdata->reg_init[id]; 783 reg_init = pdata->reg_init[id];
779 if (reg_init) { 784 if (reg_init) {
780 ret = palmas_ldo_init(palmas, id, reg_init); 785 ret = palmas_ldo_init(palmas, id, reg_init);
781 if (ret) 786 if (ret) {
787 regulator_unregister(pmic->rdev[id]);
782 goto err_unregister_regulator; 788 goto err_unregister_regulator;
789 }
783 } 790 }
784 } 791 }
785 } 792 }