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DLKM:optimise drv2624 remove function

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-release related resource about vibtator registered in probe
-issue:DLKM // kernel panic when rmmod drv2624 module

Change-Id: Icbd222c3f7bff00dd87be366ca2cb00eb8546ad6
Signed-off-by: Wen Xie <xiewen3@motorola.com>
Reviewed-on: https://gerrit.mot.com/1246599
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Wang Wang <wangwang1@lenovo.com>
Submit-Approved: Jira Key
This commit is contained in:
Wen Xie 2018-09-26 17:29:36 +08:00
commit c50762fa4c
1 changed files with 9 additions and 1 deletions
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10
drivers/misc/drv2624_mmi/drv2624_mmi.c
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@ -1610,6 +1610,7 @@ drv2624_probe(struct i2c_client *client, const struct i2c_device_id *id)
static int drv2624_remove(struct i2c_client *client)
{
struct drv2624_data *ctrl = i2c_get_clientdata(client);
int i = 0;
if (gpio_is_valid(ctrl->msPlatData.mnGpioNRST))
gpio_free(ctrl->msPlatData.mnGpioNRST);
@ -1617,8 +1618,15 @@ static int drv2624_remove(struct i2c_client *client)
if (gpio_is_valid(ctrl->msPlatData.mnGpioINT))
gpio_free(ctrl->msPlatData.mnGpioINT);
misc_deregister(&drv2624_misc);
free_irq(client->irq, ctrl);
cancel_work_sync(&ctrl->vibrator_work);
drv2624_class_vibrator(ctrl, false);
wake_lock_destroy(&ctrl->wklock);
misc_deregister(&drv2624_misc);
for (i = 0; i < ARRAY_SIZE(drv2624_led_classdev_attrs); i++)
sysfs_remove_file(&ctrl->cdev.dev->kobj,
&drv2624_led_classdev_attrs[i].attr);
devm_led_classdev_unregister(ctrl->dev, &(ctrl->cdev));
return 0;
}