Commit 260a127b authored by Lee Jones's avatar Lee Jones

mfd: 88pm860x-i2c: Purge unused functions

The following functions appear to be unused since v2.6.39:

  pm860x_page_reg_read()
  pm860x_page_bulk_write()
  pm860x_page_set_bits()

Let's remove them.
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent fea31042
...@@ -140,26 +140,6 @@ static int write_device(struct i2c_client *i2c, int reg, ...@@ -140,26 +140,6 @@ static int write_device(struct i2c_client *i2c, int reg,
return 0; return 0;
} }
int pm860x_page_reg_read(struct i2c_client *i2c, int reg)
{
unsigned char zero = 0;
unsigned char data;
int ret;
i2c_lock_adapter(i2c->adapter);
read_device(i2c, 0xFA, 0, &zero);
read_device(i2c, 0xFB, 0, &zero);
read_device(i2c, 0xFF, 0, &zero);
ret = read_device(i2c, reg, 1, &data);
if (ret >= 0)
ret = (int)data;
read_device(i2c, 0xFE, 0, &zero);
read_device(i2c, 0xFC, 0, &zero);
i2c_unlock_adapter(i2c->adapter);
return ret;
}
EXPORT_SYMBOL(pm860x_page_reg_read);
int pm860x_page_reg_write(struct i2c_client *i2c, int reg, int pm860x_page_reg_write(struct i2c_client *i2c, int reg,
unsigned char data) unsigned char data)
{ {
...@@ -195,47 +175,3 @@ int pm860x_page_bulk_read(struct i2c_client *i2c, int reg, ...@@ -195,47 +175,3 @@ int pm860x_page_bulk_read(struct i2c_client *i2c, int reg,
return ret; return ret;
} }
EXPORT_SYMBOL(pm860x_page_bulk_read); EXPORT_SYMBOL(pm860x_page_bulk_read);
int pm860x_page_bulk_write(struct i2c_client *i2c, int reg,
int count, unsigned char *buf)
{
unsigned char zero = 0;
int ret;
i2c_lock_adapter(i2c->adapter);
read_device(i2c, 0xFA, 0, &zero);
read_device(i2c, 0xFB, 0, &zero);
read_device(i2c, 0xFF, 0, &zero);
ret = write_device(i2c, reg, count, buf);
read_device(i2c, 0xFE, 0, &zero);
read_device(i2c, 0xFC, 0, &zero);
i2c_unlock_adapter(i2c->adapter);
i2c_unlock_adapter(i2c->adapter);
return ret;
}
EXPORT_SYMBOL(pm860x_page_bulk_write);
int pm860x_page_set_bits(struct i2c_client *i2c, int reg,
unsigned char mask, unsigned char data)
{
unsigned char zero;
unsigned char value;
int ret;
i2c_lock_adapter(i2c->adapter);
read_device(i2c, 0xFA, 0, &zero);
read_device(i2c, 0xFB, 0, &zero);
read_device(i2c, 0xFF, 0, &zero);
ret = read_device(i2c, reg, 1, &value);
if (ret < 0)
goto out;
value &= ~mask;
value |= data;
ret = write_device(i2c, reg, 1, &value);
out:
read_device(i2c, 0xFE, 0, &zero);
read_device(i2c, 0xFC, 0, &zero);
i2c_unlock_adapter(i2c->adapter);
return ret;
}
EXPORT_SYMBOL(pm860x_page_set_bits);
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