[PATCH v4 13/24] Input: goodix - Simplify with dev_err_probe()

From: Krzysztof Kozlowski
Date: Sun Jun 25 2023 - 12:30:03 EST


Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/input/touchscreen/goodix.c | 40 ++++++++----------------------
1 file changed, 11 insertions(+), 29 deletions(-)

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index f5aa240739f9..85d4249f1065 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -935,7 +935,6 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts)
*/
static int goodix_get_gpio_config(struct goodix_ts_data *ts)
{
- int error;
struct device *dev;
struct gpio_desc *gpiod;
bool added_acpi_mappings = false;
@@ -951,33 +950,20 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts)
ts->gpiod_rst_flags = GPIOD_IN;

ts->avdd28 = devm_regulator_get(dev, "AVDD28");
- if (IS_ERR(ts->avdd28)) {
- error = PTR_ERR(ts->avdd28);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to get AVDD28 regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->avdd28))
+ return dev_err_probe(dev, PTR_ERR(ts->avdd28), "Failed to get AVDD28 regulator\n");

ts->vddio = devm_regulator_get(dev, "VDDIO");
- if (IS_ERR(ts->vddio)) {
- error = PTR_ERR(ts->vddio);
- if (error != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to get VDDIO regulator: %d\n", error);
- return error;
- }
+ if (IS_ERR(ts->vddio))
+ return dev_err_probe(dev, PTR_ERR(ts->vddio), "Failed to get VDDIO regulator\n");

retry_get_irq_gpio:
/* Get the interrupt GPIO pin number */
gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_INT_NAME, GPIOD_IN);
- if (IS_ERR(gpiod)) {
- error = PTR_ERR(gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get %s GPIO: %d\n",
- GOODIX_GPIO_INT_NAME, error);
- return error;
- }
+ if (IS_ERR(gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get %s GPIO\n",
+ GOODIX_GPIO_INT_NAME);
+
if (!gpiod && has_acpi_companion(dev) && !added_acpi_mappings) {
added_acpi_mappings = true;
if (goodix_add_acpi_gpio_mappings(ts) == 0)
@@ -988,13 +974,9 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts)

/* Get the reset line GPIO pin number */
gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, ts->gpiod_rst_flags);
- if (IS_ERR(gpiod)) {
- error = PTR_ERR(gpiod);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get %s GPIO: %d\n",
- GOODIX_GPIO_RST_NAME, error);
- return error;
- }
+ if (IS_ERR(gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get %s GPIO\n",
+ GOODIX_GPIO_RST_NAME);

ts->gpiod_rst = gpiod;

--
2.34.1