[PATCH v2 4/4] ASoC: codecs: wcd938x: Simplify with dev_err_probe

From: Krzysztof Kozlowski
Date: Tue Apr 18 2023 - 03:46:52 EST


Replace dev_err() in probe() path with dev_err_probe() to:
1. Make code a bit simpler and easier to read,
2. Do not print messages on deferred probe.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

---

Changes in v2:
1. Re-write commit msg.
---
sound/soc/codecs/wcd938x.c | 27 ++++++++++-----------------
1 file changed, 10 insertions(+), 17 deletions(-)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index f033f79ed238..11b264a63b04 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -4235,18 +4235,15 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device
int ret;

wcd938x->reset_gpio = of_get_named_gpio(dev->of_node, "reset-gpios", 0);
- if (wcd938x->reset_gpio < 0) {
- dev_err(dev, "Failed to get reset gpio: err = %d\n",
- wcd938x->reset_gpio);
- return wcd938x->reset_gpio;
- }
+ if (wcd938x->reset_gpio < 0)
+ return dev_err_probe(dev, wcd938x->reset_gpio,
+ "Failed to get reset gpio\n");

wcd938x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro",
GPIOD_OUT_LOW);
- if (IS_ERR(wcd938x->us_euro_gpio)) {
- dev_err(dev, "us-euro swap Control GPIO not found\n");
- return PTR_ERR(wcd938x->us_euro_gpio);
- }
+ if (IS_ERR(wcd938x->us_euro_gpio))
+ return dev_err_probe(dev, PTR_ERR(wcd938x->us_euro_gpio),
+ "us-euro swap Control GPIO not found\n");

cfg->swap_gnd_mic = wcd938x_swap_gnd_mic;

@@ -4256,16 +4253,12 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device
wcd938x->supplies[3].supply = "vdd-mic-bias";

ret = regulator_bulk_get(dev, WCD938X_MAX_SUPPLY, wcd938x->supplies);
- if (ret) {
- dev_err(dev, "Failed to get supplies: err = %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get supplies\n");

ret = regulator_bulk_enable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
- if (ret) {
- dev_err(dev, "Failed to enable supplies: err = %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to enable supplies\n");

wcd938x_dt_parse_micbias_info(dev, wcd938x);

--
2.34.1