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authorAngus Ainslie (Purism) <angus@akkea.ca>2018-07-31 11:49:06 -0600
committerSebastian Reichel <sre@kernel.org>2018-09-16 11:28:48 +0200
commit9d9ae3414d1bb655d8db7079e56b0f51e7cd07f0 (patch)
tree44b2610839a6e4424fb906212ffe881f82106246 /drivers/power
parent7b38ebdf74308918f2e2e92f8ee8f60f5bbc512c (diff)
power: supply: bq25890_charger: Add debugging output of failed initialization
To ease adding a new part variant some debugging is handy. Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/bq25890_charger.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c
index 8e2c41ded171..7f0b3a46c50c 100644
--- a/drivers/power/supply/bq25890_charger.c
+++ b/drivers/power/supply/bq25890_charger.c
@@ -608,30 +608,40 @@ static int bq25890_hw_init(struct bq25890_device *bq)
};
ret = bq25890_chip_reset(bq);
- if (ret < 0)
+ if (ret < 0) {
+ dev_dbg(bq->dev, "Reset failed %d\n", ret);
return ret;
+ };
/* disable watchdog */
ret = bq25890_field_write(bq, F_WD, 0);
- if (ret < 0)
+ if (ret < 0) {
+ dev_dbg(bq->dev, "Disabling watchdog failed %d\n", ret);
return ret;
+ };
/* initialize currents/voltages and other parameters */
for (i = 0; i < ARRAY_SIZE(init_data); i++) {
ret = bq25890_field_write(bq, init_data[i].id,
init_data[i].value);
- if (ret < 0)
+ if (ret < 0) {
+ dev_dbg(bq->dev, "Writing init data failed %d\n", ret);
return ret;
+ };
}
/* Configure ADC for continuous conversions. This does not enable it. */
ret = bq25890_field_write(bq, F_CONV_RATE, 1);
- if (ret < 0)
+ if (ret < 0) {
+ dev_dbg(bq->dev, "Config ADC failed %d\n", ret);
return ret;
+ };
ret = bq25890_get_chip_state(bq, &state);
- if (ret < 0)
+ if (ret < 0) {
+ dev_dbg(bq->dev, "Get state failed %d\n", ret);
return ret;
+ };
mutex_lock(&bq->lock);
bq->state = state;
@@ -767,6 +777,9 @@ static int bq25890_fw_read_u32_props(struct bq25890_device *bq)
if (props[i].optional)
continue;
+ dev_err(bq->dev, "Unable to read property %d %s\n", ret,
+ props[i].name);
+
return ret;
}