mfd: 88pm80x: Remove redundant devm_* calls

devm_* functions are device managed and make error handling
and code simpler; it also fix error exit paths

Signed-off-by: Yi Zhang <yizhang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

4 files changed, 10 insertions, 28 deletions

diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 391e23e6a647..582bda543520 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -531,7 +531,7 @@ static int pm800_probe(struct i2c_client *client,
         ret = device_800_init(chip, pdata);
         if (ret) {
                 dev_err(chip->dev, "%s id 0x%x failed!\n", __func__, chip->id);
-                goto err_800_init;
+                goto err_subchip_alloc;
         }
 
         ret = pm800_pages_init(chip);
@@ -546,10 +546,8 @@ static int pm800_probe(struct i2c_client *client,
 err_page_init:
         mfd_remove_devices(chip->dev);
         device_irq_exit_800(chip);
-err_800_init:
-        devm_kfree(&client->dev, subchip);
 err_subchip_alloc:
-        pm80x_deinit(client);
+        pm80x_deinit();
 out_init:
         return ret;
 }
@@ -562,9 +560,7 @@ static int pm800_remove(struct i2c_client *client)
         device_irq_exit_800(chip);
 
         pm800_pages_exit(chip);
-        devm_kfree(&client->dev, chip->subchip);
-
-        pm80x_deinit(client);
+        pm80x_deinit();
 
         return 0;
 }
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index e671230be2b1..65d7ac099b20 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -257,7 +257,7 @@ static int pm805_probe(struct i2c_client *client,
                 pdata->plat_config(chip, pdata);
 
 err_805_init:
-        pm80x_deinit(client);
+        pm80x_deinit();
 out_init:
         return ret;
 }
@@ -269,7 +269,7 @@ static int pm805_remove(struct i2c_client *client)
         mfd_remove_devices(chip->dev);
         device_irq_exit_805(chip);
 
-        pm80x_deinit(client);
+        pm80x_deinit();
 
         return 0;
 }
diff --git a/drivers/mfd/88pm80x.c b/drivers/mfd/88pm80x.c
index 1adb355d86d1..f736a46eb8c0 100644
--- a/drivers/mfd/88pm80x.c
+++ b/drivers/mfd/88pm80x.c
@@ -48,14 +48,12 @@ int pm80x_init(struct i2c_client *client,
                 ret = PTR_ERR(map);
                 dev_err(&client->dev, "Failed to allocate register map: %d\n",
                         ret);
-                goto err_regmap_init;
+                return ret;
         }
 
         chip->id = id->driver_data;
-        if (chip->id < CHIP_PM800 || chip->id > CHIP_PM805) {
-                ret = -EINVAL;
-                goto err_chip_id;
-        }
+        if (chip->id < CHIP_PM800 || chip->id > CHIP_PM805)
+                return -EINVAL;
 
         chip->client = client;
         chip->regmap = map;
@@ -82,19 +80,11 @@ int pm80x_init(struct i2c_client *client,
         }
 
         return 0;
-
-err_chip_id:
-        regmap_exit(map);
-err_regmap_init:
-        devm_kfree(&client->dev, chip);
-        return ret;
 }
 EXPORT_SYMBOL_GPL(pm80x_init);
 
-int pm80x_deinit(struct i2c_client *client)
+int pm80x_deinit(void)
 {
-        struct pm80x_chip *chip = i2c_get_clientdata(client);
-
         /*
          * workaround: clear the dependency between pm800 and pm805.
          * would remove it after HW chip fixes the issue.
@@ -103,10 +93,6 @@ int pm80x_deinit(struct i2c_client *client)
                 g_pm80x_chip->companion = NULL;
         else
                 g_pm80x_chip = NULL;
-
-        regmap_exit(chip->regmap);
-        devm_kfree(&client->dev, chip);
-
         return 0;
 }
 EXPORT_SYMBOL_GPL(pm80x_deinit);
diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h
index 478672ed0c3d..e94537befabd 100644
--- a/include/linux/mfd/88pm80x.h
+++ b/include/linux/mfd/88pm80x.h
@@ -365,5 +365,5 @@ static inline int pm80x_dev_resume(struct device *dev)
 
 extern int pm80x_init(struct i2c_client *client,
                       const struct i2c_device_id *id);
-extern int pm80x_deinit(struct i2c_client *client);
+extern int pm80x_deinit(void);
 #endif /* __LINUX_MFD_88PM80X_H */