[PATCH 16/24] Input: goodix - Simplify with dev_err_probe()

[Krzysztof Kozlowski]

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 <k...@kernel.org>
---
 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 02c75ea385e0..48c4c3d297fe 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -864,7 +864,6 @@ 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;
@@ -874,33 +873,20 @@ static int goodix_get_gpio_config(struct goodix_ts_data 
*ts)
        dev = &ts->client->dev;
 
        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_dbg(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)
@@ -911,13 +897,9 @@ 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, GPIOD_IN);
-       if (IS_ERR(gpiod)) {
-               error = PTR_ERR(gpiod);
-               if (error != -EPROBE_DEFER)
-                       dev_dbg(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;
 
-- 
2.17.1