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i2c: wmt: Reduce redundant: function parameter

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Use more appropriate parameter passing to reduce the amount of code

Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Hans Hu
2023-11-02 10:53:55 +08:00
committed by Wolfram Sang
parent 7108ecf3cb
commit 4c541c6a66
1 changed files with 5 additions and 10 deletions
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15
drivers/i2c/busses/i2c-wmt.c
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@@ -122,10 +122,9 @@ static int wmt_check_status(struct wmt_i2c_dev *i2c_dev)
return ret;
}
static int wmt_i2c_write(struct i2c_adapter *adap, struct i2c_msg *pmsg,
static int wmt_i2c_write(struct wmt_i2c_dev *i2c_dev, struct i2c_msg *pmsg,
int last)
{
struct wmt_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
u16 val, tcr_val = i2c_dev->tcr;
int ret;
int xfer_len = 0;
@@ -195,10 +194,8 @@ static int wmt_i2c_write(struct i2c_adapter *adap, struct i2c_msg *pmsg,
return 0;
}
static int wmt_i2c_read(struct i2c_adapter *adap, struct i2c_msg *pmsg,
int last)
static int wmt_i2c_read(struct wmt_i2c_dev *i2c_dev, struct i2c_msg *pmsg)
{
struct wmt_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
u16 val, tcr_val = i2c_dev->tcr;
int ret;
u32 xfer_len = 0;
@@ -262,13 +259,11 @@ static int wmt_i2c_xfer(struct i2c_adapter *adap,
int num)
{
struct i2c_msg *pmsg;
int i, is_last;
int i;
int ret = 0;
struct wmt_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
for (i = 0; ret >= 0 && i < num; i++) {
is_last = ((i + 1) == num);
pmsg = &msgs[i];
if (!(pmsg->flags & I2C_M_NOSTART)) {
ret = wmt_i2c_wait_bus_not_busy(i2c_dev);
@@ -277,9 +272,9 @@ static int wmt_i2c_xfer(struct i2c_adapter *adap,
}
if (pmsg->flags & I2C_M_RD)
ret = wmt_i2c_read(adap, pmsg, is_last);
ret = wmt_i2c_read(i2c_dev, pmsg);
else
ret = wmt_i2c_write(adap, pmsg, is_last);
ret = wmt_i2c_write(i2c_dev, pmsg, (i + 1) == num);
}
return (ret < 0) ? ret : i;