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DLKM:optimise sar sensor remove function

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-release related resource about sarsensor registered in probe
-issue:DLKM // kernel panic when rmmod sx932x_sar or abov_sar module

Change-Id: Ib8da9744eab96c253f224232e111488ca2c93445
Signed-off-by: chenlj2 <chenlj2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1247406
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wen Xie <xiewen3@motorola.com>
Reviewed-by: Jun Weng <wengjun1@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
chenlj2 2018-09-27 10:41:33 +08:00 • committed by Lijun Chen
commit d149d0b6d2
2 changed files with 12 additions and 11 deletions
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13
drivers/misc/abov/abov_sar_mmi.c
View file

@ -1790,7 +1790,11 @@ static int abov_remove(struct i2c_client *client)
pabovXX_t this = i2c_get_clientdata(client);
pDevice = this->pDevice;
pplatData = client->dev.platform_data;
if (this && pDevice) {
power_supply_unreg_notifier(&this->ps_notif);
cancel_work_sync(&this->fw_update_work.worker);
cancel_work_sync(&this->ps_notify_work);
#ifdef USE_SENSORS_CLASS
sensors_classdev_unregister(&sensors_capsensor_top_cdev);
sensors_classdev_unregister(&sensors_capsensor_bottom_cdev);
@ -1803,17 +1807,14 @@ static int abov_remove(struct i2c_client *client)
regulator_put(this->board->cap_svdd);
}
#endif
if (gpio_is_valid(pplatData ->irq_gpio))
gpio_free(pplatData ->irq_gpio);
if (this->board->cap_vdd_en) {
regulator_disable(this->board->cap_vdd);
regulator_put(this->board->cap_vdd);
}
#ifdef USE_SENSORS_CLASS
sensors_classdev_unregister(&sensors_capsensor_top_cdev);
sensors_classdev_unregister(&sensors_capsensor_bottom_cdev);
#endif
sysfs_remove_group(&client->dev.kobj, &abov_attr_group);
pplatData = client->dev.platform_data;
class_unregister(&capsense_class);
if (pplatData && pplatData->exit_platform_hw)
pplatData->exit_platform_hw();
kfree(this->pDevice);

10
drivers/misc/sx9325/sx9325_sar.c
View file

@ -1360,11 +1360,13 @@ static int sx9325_remove(struct i2c_client *client)
psx93XX_t this = i2c_get_clientdata(client);
pDevice = this->pDevice;
pplatData = client->dev.platform_data;
if (this && pDevice) {
#if defined(CONFIG_FB)
fb_unregister_client(&this->fb_notif);
#endif
power_supply_unreg_notifier(&this->ps_notif);
cancel_work_sync(&this->ps_notify_work);
#ifdef USE_SENSORS_CLASS
sensors_classdev_unregister(&sensors_capsensor_top_cdev);
@ -1374,6 +1376,8 @@ static int sx9325_remove(struct i2c_client *client)
input_unregister_device(
pDevice->pbuttonInformation->input_bottom);
if (gpio_is_valid(pplatData ->irq_gpio))
gpio_free(pplatData ->irq_gpio);
if (this->board->cap_svdd_en) {
regulator_disable(this->board->cap_svdd);
regulator_put(this->board->cap_svdd);
@ -1383,13 +1387,9 @@ static int sx9325_remove(struct i2c_client *client)
regulator_disable(this->board->cap_vdd);
regulator_put(this->board->cap_vdd);
}
#endif
#ifdef USE_SENSORS_CLASS
sensors_classdev_unregister(&sensors_capsensor_top_cdev);
sensors_classdev_unregister(&sensors_capsensor_bottom_cdev);
#endif
sysfs_remove_group(&client->dev.kobj, &sx9325_attr_group);
pplatData = client->dev.platform_data;
class_unregister(&capsense_class);
if (pplatData && pplatData->exit_platform_hw)
pplatData->exit_platform_hw();
kfree(this->pDevice);