Change return type of at24_translate_offset to *at24_client to make
member regmap accessible for subsequent patches of this series.
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
v2:
- rebased
v3:
- improve readability
v4:
- no changes
v5:
- no changes
v6:
- no changes
---
drivers/misc/eeprom/at24.c | 42 ++++++++++++++++++++++++++++++------------
1 file changed, 30 insertions(+), 12 deletions(-)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index ed930dfbb..a16e8ca12 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -267,8 +267,8 @@ MODULE_DEVICE_TABLE(acpi, at24_acpi_ids);
* one "eeprom" file not four, but larger reads would fail when
* they crossed certain pages.
*/
-static struct i2c_client *at24_translate_offset(struct at24_data *at24,
- unsigned int *offset)
+static struct at24_client *at24_translate_offset(struct at24_data *at24,
+ unsigned int *offset)
{
unsigned i;
@@ -280,17 +280,19 @@ static struct i2c_client *at24_translate_offset(struct at24_data *at24,
*offset &= 0xff;
}
- return at24->client[i].client;
+ return &at24->client[i];
}
static ssize_t at24_eeprom_read_smbus(struct at24_data *at24, char *buf,
unsigned int offset, size_t count)
{
unsigned long timeout, read_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
int status;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
if (count > io_limit)
count = io_limit;
@@ -318,13 +320,15 @@ static ssize_t at24_eeprom_read_i2c(struct at24_data *at24, char *buf,
unsigned int offset, size_t count)
{
unsigned long timeout, read_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
struct i2c_msg msg[2];
int status, i;
u8 msgbuf[2];
memset(msg, 0, sizeof(msg));
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
if (count > io_limit)
count = io_limit;
@@ -368,12 +372,14 @@ static ssize_t at24_eeprom_read_serial(struct at24_data *at24, char *buf,
unsigned int offset, size_t count)
{
unsigned long timeout, read_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
struct i2c_msg msg[2];
u8 addrbuf[2];
int status;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
memset(msg, 0, sizeof(msg));
msg[0].addr = client->addr;
@@ -421,12 +427,14 @@ static ssize_t at24_eeprom_read_mac(struct at24_data *at24, char *buf,
unsigned int offset, size_t count)
{
unsigned long timeout, read_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
struct i2c_msg msg[2];
u8 addrbuf[2];
int status;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
memset(msg, 0, sizeof(msg));
msg[0].addr = client->addr;
@@ -479,10 +487,12 @@ static ssize_t at24_eeprom_write_smbus_block(struct at24_data *at24,
unsigned int offset, size_t count)
{
unsigned long timeout, write_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
ssize_t status = 0;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
count = at24_adjust_write_count(at24, offset, count);
loop_until_timeout(timeout, write_time) {
@@ -506,10 +516,12 @@ static ssize_t at24_eeprom_write_smbus_byte(struct at24_data *at24,
unsigned int offset, size_t count)
{
unsigned long timeout, write_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
ssize_t status = 0;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
loop_until_timeout(timeout, write_time) {
status = i2c_smbus_write_byte_data(client, offset, buf[0]);
@@ -530,12 +542,14 @@ static ssize_t at24_eeprom_write_i2c(struct at24_data *at24, const char *buf,
unsigned int offset, size_t count)
{
unsigned long timeout, write_time;
+ struct at24_client *at24_client;
struct i2c_client *client;
struct i2c_msg msg;
ssize_t status = 0;
int i = 0;
- client = at24_translate_offset(at24, &offset);
+ at24_client = at24_translate_offset(at24, &offset);
+ client = at24_client->client;
count = at24_adjust_write_count(at24, offset, count);
msg.addr = client->addr;
@@ -568,6 +582,7 @@ static ssize_t at24_eeprom_write_i2c(struct at24_data *at24, const char *buf,
static int at24_read(void *priv, unsigned int off, void *val, size_t count)
{
struct at24_data *at24 = priv;
+ struct at24_client *at24_client;
struct i2c_client *client;
char *buf = val;
int ret;
@@ -578,7 +593,8 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
if (off + count > at24->chip.byte_len)
return -EINVAL;
- client = at24_translate_offset(at24, &off);
+ at24_client = at24_translate_offset(at24, &off);
+ client = at24_client->client;
ret = pm_runtime_get_sync(&client->dev);
if (ret < 0) {
@@ -616,6 +632,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
static int at24_write(void *priv, unsigned int off, void *val, size_t count)
{
struct at24_data *at24 = priv;
+ struct at24_client *at24_client;
struct i2c_client *client;
char *buf = val;
int ret;
@@ -626,7 +643,8 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
if (off + count > at24->chip.byte_len)
return -EINVAL;
- client = at24_translate_offset(at24, &off);
+ at24_client = at24_translate_offset(at24, &off);
+ client = at24_client->client;
ret = pm_runtime_get_sync(&client->dev);
if (ret < 0) {
--
2.15.0
