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i2c: sh_mobile: remove is_first_byte function

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All state machines deal with pd->pos values. This helper function is an
exception and makes it only more confusing.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2019-01-16 22:05:52 +01:00 committed by Wolfram Sang
parent d16f2bfea3
commit e659f36d46
1 changed files with 2 additions and 7 deletions
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9
drivers/i2c/busses/i2c-sh_mobile.c
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@ -352,11 +352,6 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd, enum sh_mobile_i2c_op
return ret;
}
static bool sh_mobile_i2c_is_first_byte(struct sh_mobile_i2c_data *pd)
{
return pd->pos == -1;
}
static int sh_mobile_i2c_isr_tx(struct sh_mobile_i2c_data *pd)
{
if (pd->pos == pd->msg->len) {
@ -364,7 +359,7 @@ static int sh_mobile_i2c_isr_tx(struct sh_mobile_i2c_data *pd)
return 1;
}
if (sh_mobile_i2c_is_first_byte(pd))
if (pd->pos == -1)
i2c_op(pd, OP_TX_FIRST);
else
i2c_op(pd, OP_TX);
@ -379,7 +374,7 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd)
int real_pos;
do {
if (sh_mobile_i2c_is_first_byte(pd)) {
if (pd->pos == -1) {
i2c_op(pd, OP_TX_FIRST);
break;
}