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NFC: driver: Support new i2c_driver remove api

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"struct i2c_driver".remove function's return type is
changed from int to void in kernel version 6.1.0.
Support new i2c_driver remove API for NFC driver.

Change-Id: I2fc0d4a044afd49cc08c8b2486ce355a5857e202
Signed-off-by: Maria Yu <quic_aiquny@quicinc.com>
Signed-off-by: Amruth Naga <quic_amrunaga@quicinc.com>
This commit is contained in:
Maria Yu
2022-12-14 22:03:59 +08:00
committed by Amruth Naga
parent f616cf76bd
commit e24f9d0b47
2 changed files with 17 additions and 4 deletions
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16
nfc/i2c_drv.c
View File

@@ -461,21 +461,27 @@ err:
return ret;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
void nfc_i2c_dev_remove(struct i2c_client *client)
#else
int nfc_i2c_dev_remove(struct i2c_client *client)
#endif
{
int ret = 0;
struct nfc_dev *nfc_dev = NULL;
pr_info("%s: remove device\n", __func__);
nfc_dev = i2c_get_clientdata(client);
if (!nfc_dev) {
pr_err("%s: device doesn't exist anymore\n", __func__);
ret = -ENODEV;
return ret;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(6, 1, 0))
return -ENODEV;
#endif
}
if (nfc_dev->dev_ref_count > 0) {
pr_err("%s: device already in use\n", __func__);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(6, 1, 0))
return -EBUSY;
#endif
}
gpio_set_value(nfc_dev->configs.gpio.ven, 0);
@@ -496,7 +502,9 @@ int nfc_i2c_dev_remove(struct i2c_client *client)
kfree(nfc_dev->read_kbuf);
kfree(nfc_dev->write_kbuf);
kfree(nfc_dev);
return ret;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(6, 1, 0))
return 0;
#endif
}
int nfc_i2c_dev_suspend(struct device *device)

5
nfc/i2c_drv.h
View File

@@ -25,6 +25,7 @@
#define _I2C_DRV_H_
#include <linux/i2c.h>
#include <linux/version.h>
#define NFC_I2C_DRV_STR "qcom,sn-nci" /*kept same as dts */
#define NFC_I2C_DEV_ID "sn-i2c"
@@ -44,7 +45,11 @@ struct i2c_dev {
long nfc_i2c_dev_ioctl(struct file *pfile, unsigned int cmd, unsigned long arg);
int nfc_i2c_dev_probe(struct i2c_client *client,
const struct i2c_device_id *id);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
void nfc_i2c_dev_remove(struct i2c_client *client);
#else
int nfc_i2c_dev_remove(struct i2c_client *client);
#endif
int nfc_i2c_dev_suspend(struct device *device);
int nfc_i2c_dev_resume(struct device *device);