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Subject[PATCH 03/14] power: supply: axp288_charger: Make charger_init_hw_regs propagate i2c errors
Date
Make charger_init_hw_regs propagate i2c errors, instead of only warning
about them and then ignoring them.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/power/supply/axp288_charger.c | 62 ++++++++++++++++++++++++-----------
1 file changed, 42 insertions(+), 20 deletions(-)

diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
index 75b8e0c..f1e3b0e 100644
--- a/drivers/power/supply/axp288_charger.c
+++ b/drivers/power/supply/axp288_charger.c
@@ -701,59 +701,73 @@ static int axp288_charger_handle_otg_evt(struct notifier_block *nb,
return NOTIFY_OK;
}

-static void charger_init_hw_regs(struct axp288_chrg_info *info)
+static int charger_init_hw_regs(struct axp288_chrg_info *info)
{
int ret, cc, cv;
unsigned int val;

/* Program temperature thresholds */
ret = regmap_write(info->regmap, AXP20X_V_LTF_CHRG, CHRG_VLTFC_0C);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_V_LTF_CHRG, ret);
+ return ret;
+ }

ret = regmap_write(info->regmap, AXP20X_V_HTF_CHRG, CHRG_VHTFC_45C);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_V_HTF_CHRG, ret);
+ return ret;
+ }

/* Do not turn-off charger o/p after charge cycle ends */
ret = regmap_update_bits(info->regmap,
AXP20X_CHRG_CTRL2,
CNTL2_CHG_OUT_TURNON, 1);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CHRG_CTRL2, ret);
+ return ret;
+ }

/* Enable interrupts */
ret = regmap_update_bits(info->regmap,
AXP20X_IRQ2_EN,
BAT_IRQ_CFG_BAT_MASK, 1);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_IRQ2_EN, ret);
+ return ret;
+ }

ret = regmap_update_bits(info->regmap, AXP20X_IRQ3_EN,
TEMP_IRQ_CFG_MASK, 1);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_IRQ3_EN, ret);
+ return ret;
+ }

/* Setup ending condition for charging to be 10% of I(chrg) */
ret = regmap_update_bits(info->regmap,
AXP20X_CHRG_CTRL1,
CHRG_CCCV_ITERM_20P, 0);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CHRG_CTRL1, ret);
+ return ret;
+ }

/* Disable OCV-SOC curve calibration */
ret = regmap_update_bits(info->regmap,
AXP20X_CC_CTRL,
FG_CNTL_OCV_ADJ_EN, 0);
- if (ret < 0)
- dev_warn(&info->pdev->dev, "register(%x) write error(%d)\n",
+ if (ret < 0) {
+ dev_err(&info->pdev->dev, "register(%x) write error(%d)\n",
AXP20X_CC_CTRL, ret);
+ return ret;
+ }

/* Init charging current and voltage */
info->max_cc = info->pdata->max_cc;
@@ -796,15 +810,21 @@ static void charger_init_hw_regs(struct axp288_chrg_info *info)
cv = min(info->pdata->def_cv, info->max_cv);

ret = axp288_charger_set_cc(info, cc);
- if (ret < 0)
- dev_warn(&info->pdev->dev,
+ if (ret < 0) {
+ dev_err(&info->pdev->dev,
"error(%d) in setting CC\n", ret);
+ return ret;
+ }

ret = axp288_charger_set_cv(info, cv);
- if (ret < 0)
- dev_warn(&info->pdev->dev,
+ if (ret < 0) {
+ dev_err(&info->pdev->dev,
"error(%d) in setting CV\n", ret);
+ return ret;
+ }
}
+
+ return 0;
}

static int axp288_charger_probe(struct platform_device *pdev)
@@ -916,7 +936,9 @@ static int axp288_charger_probe(struct platform_device *pdev)
}
}

- charger_init_hw_regs(info);
+ ret = charger_init_hw_regs(info);
+ if (ret)
+ goto intr_reg_failed;

return 0;

--
2.9.3
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