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Updated corresponding to - NFC_AR_00_E800_13.03.00_OpnSrc

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This commit is contained in:
nxf24591
2022-03-01 15:12:06 +05:30
parent edbd2aaad6
commit 71fa3f1d6b
2 changed files with 8 additions and 10 deletions
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8
nfc/common.h
View File

@@ -1,6 +1,6 @@
/******************************************************************************
* Copyright (C) 2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2019-2021 NXP
* Copyright (C) 2019-2022 NXP
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -64,10 +64,8 @@
#define NCI_CMD_RSP_TIMEOUT_MS (2000)
/* Time to wait for NFCC to be ready again after any change in the GPIO */
#define NFC_GPIO_SET_WAIT_TIME_US (10000)
/* Time to wait for IRQ low during write 5*3ms */
#define NFC_WRITE_IRQ_WAIT_TIME_US (3000)
/* Time to wait before retrying i2c/I3C writes */
#define WRITE_RETRY_WAIT_TIME_US (1000)
/* Time to wait before retrying writes */
#define WRITE_RETRY_WAIT_TIME_US (3000)
/* Time to wait before retrying read for some specific usecases */
#define READ_RETRY_WAIT_TIME_US (3500)
#define NFC_MAGIC (0xE9)

10
nfc/i2c_drv.c
View File

@@ -1,6 +1,6 @@
/******************************************************************************
* Copyright (C) 2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2013-2021 NXP
* Copyright (C) 2013-2022 NXP
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -225,8 +225,8 @@ int i2c_write(struct nfc_dev *nfc_dev, const char *buf, size_t count,
for (retry_cnt = 1; retry_cnt <= MAX_WRITE_IRQ_COUNT; retry_cnt++) {
if (gpio_get_value(nfc_gpio->irq)) {
pr_warn("%s: irq high during write, wait\n", __func__);
usleep_range(NFC_WRITE_IRQ_WAIT_TIME_US,
NFC_WRITE_IRQ_WAIT_TIME_US + 100);
usleep_range(WRITE_RETRY_WAIT_TIME_US,
WRITE_RETRY_WAIT_TIME_US + 100);
} else {
break;
}
@@ -337,12 +337,12 @@ int nfc_i2c_dev_probe(struct i2c_client *client, const struct i2c_device_id *id)
ret = nfc_parse_dt(&client->dev,nfc_configs, PLATFORM_IF_I2C);
if (ret) {
pr_err("%s: failed to parse dt\n", __func__);
goto err;
goto err_free_nfc_dev;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
pr_err("%s: need I2C_FUNC_I2C\n", __func__);
ret = -ENODEV;
goto err;
goto err_free_nfc_dev;
}
nfc_dev->read_kbuf = kzalloc(MAX_NCI_BUFFER_SIZE, GFP_DMA | GFP_KERNEL);
if (!nfc_dev->read_kbuf) {