| Message ID | 20190116210555.12209-5-wsa+renesas@sang-engineering.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | i2c: sh_mobile: state machine simplifications | expand |
On Thu, Jan 17, 2019 at 1:35 AM Wolfram Sang <wsa+renesas@sang-engineering.com> wrote: > 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> Gr{oetje,eeting}s, Geert
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index ae5804c12998..ef9101cde29f 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -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; }
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> --- drivers/i2c/busses/i2c-sh_mobile.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)