From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/drivers/misc/eeprom/at24.c | 148 -------------------------------------------------
1 files changed, 1 insertions(+), 147 deletions(-)
diff --git a/kernel/drivers/misc/eeprom/at24.c b/kernel/drivers/misc/eeprom/at24.c
index dde0b45..dc35376 100644
--- a/kernel/drivers/misc/eeprom/at24.c
+++ b/kernel/drivers/misc/eeprom/at24.c
@@ -6,7 +6,6 @@
* Copyright (C) 2008 Wolfram Sang, Pengutronix
*/
-#define DEBUG
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -107,8 +106,6 @@
module_param_named(write_timeout, at24_write_timeout, uint, 0);
MODULE_PARM_DESC(at24_write_timeout, "Time (in ms) to try writes (default 25)");
-//Ben
-struct at24_data *at24_private=NULL;
struct at24_chip_data {
/*
* these fields mirror their equivalents in
@@ -424,146 +421,6 @@
return 0;
}
-//add ben
-static ssize_t at24_read_private(struct at24_data *at24,
- char *buf, loff_t off, size_t count)
-{
- ssize_t retval = 0;
-
- if (unlikely(!count))
- return count;
-
- if (off + count > at24->byte_len)
- return -EINVAL;
-
- /*
- * Read data from chip, protecting against concurrent updates
- * from this host, but not from other I2C masters.
- */
- mutex_lock(&at24->lock);
-
- while (count) {
- ssize_t status;
-
- //status = at24_eeprom_read_i2c(at24, buf, off, count);
- status = at24_regmap_read(at24, buf, off, count);
- if (status <= 0) {
- if (retval == 0)
- retval = status;
- break;
- }
- buf += status;
- off += status;
- count -= status;
- retval += status;
- }
-
- mutex_unlock(&at24->lock);
-
- return retval;
-}
-
-#if 0
-static unsigned char AscToHex(unsigned char aChar)
-{
- if((aChar>=0x30)&&(aChar<=0x39))
- aChar -= 0x30;
- else if((aChar>=0x41)&&(aChar<=0x46))
- aChar -= 0x37;
- else if((aChar>=0x61)&&(aChar<=0x66))
- aChar -= 0x57;
- else aChar = 0xff;
-
- return aChar;
-}
-#endif
-
-#if 0
-ssize_t at24_mac_read(unsigned char* addr)
-{
- char buf[20];
- char buf_tmp[12];
- int i;
- ssize_t ret;
- if (at24_private == NULL)
- {
- printk("ben %s: at24_private==null error\n", __func__);
- return 0;
- }
- memset(buf, 0x00, 20);
- memset(buf_tmp, 0x00, 12);
- ret = at24_read(at24_private, 0, buf, 12);
- if (ret > 0)
- {
- for(i=0; i<12; i++)
- {
- buf_tmp[i] = AscToHex(buf[i]);
- }
- addr[0] = (buf_tmp[0] << 4) | buf_tmp[1];
- addr[1] = (buf_tmp[2] << 4) | buf_tmp[3];
- addr[2] = (buf_tmp[4] << 4) | buf_tmp[5];
- addr[3] = (buf_tmp[6] << 4) | buf_tmp[7];
- addr[4] = (buf_tmp[8] << 4) | buf_tmp[9];
- addr[5] = (buf_tmp[10] << 4) | buf_tmp[11];
- }
- return ret;
-}
-#endif
-
-ssize_t at24_mac_read(unsigned char* addr)
-{
- char buf[20];
- char buf_tmp[12];
- ssize_t ret;
- if (at24_private == NULL)
- {
- printk("ben: at24_mac_read at24_private==null error");
- return 0;
- }
- memset(buf, 0x00, 20);
- memset(buf_tmp, 0x00, 12);
- ret = at24_read_private(at24_private, buf, 0, 6);
- if (ret > 0)
- {
- addr[0] = buf[0];
- addr[1] = buf[1];
- addr[2] = buf[2];
- addr[3] = buf[3];
- addr[4] = buf[4];
- addr[5] = buf[5];
- }
- printk("at24_mac_read ...............\n");
- return ret;
-}
-EXPORT_SYMBOL(at24_mac_read);
-
-ssize_t at24_mac1_read(unsigned char* mac)
-{
- char buf[20];
- char buf_tmp[12];
- ssize_t ret;
- if (at24_private == NULL)
- {
- printk("zcl: at24_mac_read at24_private==null error");
- return 0;
- }
- memset(buf, 0x00, 20);
- memset(buf_tmp, 0x00, 12);
- ret = at24_read_private(at24_private, buf, 0x10, 6);
- if (ret > 0)
- {
- *mac = buf[0];
- *(mac + 1) = buf[1];
- *(mac + 2) = buf[2];
- *(mac + 3) = buf[3];
- *(mac + 4) = buf[4];
- *(mac + 5) = buf[5];
- }
- printk("at24_mac1_read ...............\n");
- return ret;
-}
-EXPORT_SYMBOL(at24_mac1_read);
-
static int at24_write(void *priv, unsigned int off, void *val, size_t count)
{
struct at24_data *at24;
@@ -773,7 +630,6 @@
u8 test_byte;
int err;
- printk("ben %s ...\n", __func__);
i2c_fn_i2c = i2c_check_functionality(client->adapter, I2C_FUNC_I2C);
i2c_fn_block = i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_WRITE_I2C_BLOCK);
@@ -818,7 +674,6 @@
if (!at24)
return -ENOMEM;
- at24_private = at24;
mutex_init(&at24->lock);
at24->byte_len = pdata.byte_len;
at24->page_size = pdata.page_size;
@@ -937,8 +792,7 @@
at24_io_limit = rounddown_pow_of_two(at24_io_limit);
return i2c_add_driver(&at24_driver);
}
-//module_init(at24_init);
-postcore_initcall_sync(at24_init);
+module_init(at24_init);
static void __exit at24_exit(void)
{
--
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