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power: supply: bq24190_charger: Use i2c-core irq-mapping code
authorHans de Goede <hdegoede@redhat.com>
Wed, 22 Mar 2017 14:55:30 +0000 (15:55 +0100)
committerSebastian Reichel <sre@kernel.org>
Thu, 13 Apr 2017 23:41:34 +0000 (01:41 +0200)
The i2c-core already maps of irqs before calling the driver's probe
function and there are no in tree users of
bq24190_platform_data->gpio_int.

Remove the redundant custom irq-mapping code and just use client->irq.

Cc: Liam Breck <kernel@networkimprov.net>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
drivers/power/supply/bq24190_charger.c
include/linux/power/bq24190_charger.h [deleted file]

index 451f2bc..fa2d2da 100644 (file)
@@ -18,9 +18,6 @@
 #include <linux/gpio.h>
 #include <linux/i2c.h>
 
-#include <linux/power/bq24190_charger.h>
-
-
 #define        BQ24190_MANUFACTURER    "Texas Instruments"
 
 #define BQ24190_REG_ISC                0x00 /* Input Source Control */
@@ -153,8 +150,6 @@ struct bq24190_dev_info {
        struct power_supply             *battery;
        char                            model_name[I2C_NAME_SIZE];
        kernel_ulong_t                  model;
-       unsigned int                    gpio_int;
-       unsigned int                    irq;
        bool                            initialized;
        bool                            irq_event;
        struct mutex                    f_reg_lock;
@@ -1310,56 +1305,11 @@ static int bq24190_hw_init(struct bq24190_dev_info *bdi)
        return bq24190_read(bdi, BQ24190_REG_SS, &bdi->ss_reg);
 }
 
-#ifdef CONFIG_OF
-static int bq24190_setup_dt(struct bq24190_dev_info *bdi)
-{
-       bdi->irq = irq_of_parse_and_map(bdi->dev->of_node, 0);
-       if (bdi->irq <= 0)
-               return -1;
-
-       return 0;
-}
-#else
-static int bq24190_setup_dt(struct bq24190_dev_info *bdi)
-{
-       return -1;
-}
-#endif
-
-static int bq24190_setup_pdata(struct bq24190_dev_info *bdi,
-               struct bq24190_platform_data *pdata)
-{
-       int ret;
-
-       if (!gpio_is_valid(pdata->gpio_int))
-               return -1;
-
-       ret = gpio_request(pdata->gpio_int, dev_name(bdi->dev));
-       if (ret < 0)
-               return -1;
-
-       ret = gpio_direction_input(pdata->gpio_int);
-       if (ret < 0)
-               goto out;
-
-       bdi->irq = gpio_to_irq(pdata->gpio_int);
-       if (!bdi->irq)
-               goto out;
-
-       bdi->gpio_int = pdata->gpio_int;
-       return 0;
-
-out:
-       gpio_free(pdata->gpio_int);
-       return -1;
-}
-
 static int bq24190_probe(struct i2c_client *client,
                const struct i2c_device_id *id)
 {
        struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
        struct device *dev = &client->dev;
-       struct bq24190_platform_data *pdata = client->dev.platform_data;
        struct power_supply_config charger_cfg = {}, battery_cfg = {};
        struct bq24190_dev_info *bdi;
        int ret;
@@ -1385,12 +1335,7 @@ static int bq24190_probe(struct i2c_client *client,
 
        i2c_set_clientdata(client, bdi);
 
-       if (dev->of_node)
-               ret = bq24190_setup_dt(bdi);
-       else
-               ret = bq24190_setup_pdata(bdi, pdata);
-
-       if (ret) {
+       if (!client->irq) {
                dev_err(dev, "Can't get irq info\n");
                return -EINVAL;
        }
@@ -1436,7 +1381,7 @@ static int bq24190_probe(struct i2c_client *client,
 
        bdi->initialized = true;
 
-       ret = devm_request_threaded_irq(dev, bdi->irq, NULL,
+       ret = devm_request_threaded_irq(dev, client->irq, NULL,
                        bq24190_irq_handler_thread,
                        IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
                        "bq24190-charger", bdi);
@@ -1445,7 +1390,7 @@ static int bq24190_probe(struct i2c_client *client,
                goto out5;
        }
 
-       enable_irq_wake(bdi->irq);
+       enable_irq_wake(client->irq);
 
        pm_runtime_mark_last_busy(dev);
        pm_runtime_put_autosuspend(dev);
@@ -1467,8 +1412,6 @@ out2:
 out1:
        pm_runtime_dont_use_autosuspend(dev);
        pm_runtime_disable(dev);
-       if (bdi->gpio_int)
-               gpio_free(bdi->gpio_int);
        return ret;
 }
 
@@ -1492,9 +1435,6 @@ static int bq24190_remove(struct i2c_client *client)
        pm_runtime_dont_use_autosuspend(bdi->dev);
        pm_runtime_disable(bdi->dev);
 
-       if (bdi->gpio_int)
-               gpio_free(bdi->gpio_int);
-
        return 0;
 }
 
diff --git a/include/linux/power/bq24190_charger.h b/include/linux/power/bq24190_charger.h
deleted file mode 100644 (file)
index 9f02837..0000000
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Platform data for the TI bq24190 battery charger driver.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _BQ24190_CHARGER_H_
-#define _BQ24190_CHARGER_H_
-
-struct bq24190_platform_data {
-       unsigned int    gpio_int;       /* GPIO pin that's connected to INT# */
-};
-
-#endif