[PATCHv2 6/6] power: supply: gpio-charger: drop legacy GPIO support

From: Sebastian Reichel
Date: Fri Jun 05 2020 - 18:44:22 EST


All board files have been converted to use boardfile GPIO
descriptor tables, so GPIO support can be removed from
platform data.

Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
drivers/power/supply/gpio-charger.c | 30 +----------------------------
include/linux/power/gpio-charger.h | 5 -----
2 files changed, 1 insertion(+), 34 deletions(-)

diff --git a/drivers/power/supply/gpio-charger.c b/drivers/power/supply/gpio-charger.c
index 74fc664c01e3..8c9f69f3d13e 100644
--- a/drivers/power/supply/gpio-charger.c
+++ b/drivers/power/supply/gpio-charger.c
@@ -258,7 +258,6 @@ static int gpio_charger_probe(struct platform_device *pdev)
struct power_supply_desc *charger_desc;
struct gpio_desc *charge_status;
int charge_status_irq;
- unsigned long flags;
int ret;
int num_props = 0;

@@ -272,41 +271,14 @@ static int gpio_charger_probe(struct platform_device *pdev)
return -ENOMEM;
gpio_charger->dev = dev;

- /*
- * This will fetch a GPIO descriptor from device tree, ACPI or
- * boardfile descriptor tables. It's good to try this first.
- */
gpio_charger->gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN);
-
- /*
- * Fallback to legacy platform data method, if no GPIO is specified
- * using boardfile descriptor tables.
- */
- if (!gpio_charger->gpiod && pdata) {
- /* Non-DT: use legacy GPIO numbers */
- if (!gpio_is_valid(pdata->gpio)) {
- dev_err(dev, "Invalid gpio pin in pdata\n");
- return -EINVAL;
- }
- flags = GPIOF_IN;
- if (pdata->gpio_active_low)
- flags |= GPIOF_ACTIVE_LOW;
- ret = devm_gpio_request_one(dev, pdata->gpio, flags,
- dev_name(dev));
- if (ret) {
- dev_err(dev, "Failed to request gpio pin: %d\n", ret);
- return ret;
- }
- /* Then convert this to gpiod for now */
- gpio_charger->gpiod = gpio_to_desc(pdata->gpio);
- } else if (IS_ERR(gpio_charger->gpiod)) {
+ if (IS_ERR(gpio_charger->gpiod)) {
/* Just try again if this happens */
if (PTR_ERR(gpio_charger->gpiod) == -EPROBE_DEFER)
return -EPROBE_DEFER;
dev_err(dev, "error getting GPIO descriptor\n");
return PTR_ERR(gpio_charger->gpiod);
}
-
if (gpio_charger->gpiod) {
gpio_charger_properties[num_props] = POWER_SUPPLY_PROP_ONLINE;
num_props++;
diff --git a/include/linux/power/gpio-charger.h b/include/linux/power/gpio-charger.h
index 5a5a8de98181..3081391e93c9 100644
--- a/include/linux/power/gpio-charger.h
+++ b/include/linux/power/gpio-charger.h
@@ -13,8 +13,6 @@
* struct gpio_charger_platform_data - platform_data for gpio_charger devices
* @name: Name for the chargers power_supply device
* @type: Type of the charger
- * @gpio: GPIO which is used to indicate the chargers status
- * @gpio_active_low: Should be set to 1 if the GPIO is active low otherwise 0
* @supplied_to: Array of battery names to which this chargers supplies power
* @num_supplicants: Number of entries in the supplied_to array
*/
@@ -22,9 +20,6 @@ struct gpio_charger_platform_data {
const char *name;
enum power_supply_type type;

- int gpio;
- int gpio_active_low;
-
char **supplied_to;
size_t num_supplicants;
};
--
2.26.2