diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2019-01-16 22:05:50 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-01-23 00:18:07 +0100 |
| commit | 1f32fbdfc1e0af25c8f8572284c5d17d1cbcf9d7 (patch) | |
| tree | 950af7f130eaea193578d3ceec3bbe9ea24c7206 /drivers/i2c/busses/i2c-sh_mobile.c | |
| parent | 5b3e3b43b03bf84f1656c2f7afda6b73f945cc82 (diff) | |
| download | linux-1f32fbdfc1e0af25c8f8572284c5d17d1cbcf9d7.tar.bz2 | |
i2c: sh_mobile: remove get_data function
It makes the code much easier comprehensible to explicitly code that the
first byte will be client address and all the following bytes are the
actual data.
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>
Diffstat (limited to 'drivers/i2c/busses/i2c-sh_mobile.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-sh_mobile.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index e18e3cedf817..27b57b376549 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -358,18 +358,6 @@ static bool sh_mobile_i2c_is_first_byte(struct sh_mobile_i2c_data *pd) return pd->pos == -1; } -static void sh_mobile_i2c_get_data(struct sh_mobile_i2c_data *pd, - unsigned char *buf) -{ - switch (pd->pos) { - case -1: - *buf = i2c_8bit_addr_from_msg(pd->msg); - break; - default: - *buf = pd->msg->buf[pd->pos]; - } -} - static int sh_mobile_i2c_isr_tx(struct sh_mobile_i2c_data *pd) { unsigned char data; @@ -379,8 +367,13 @@ static int sh_mobile_i2c_isr_tx(struct sh_mobile_i2c_data *pd) return 1; } - sh_mobile_i2c_get_data(pd, &data); - i2c_op(pd, sh_mobile_i2c_is_first_byte(pd) ? OP_TX_FIRST : OP_TX, data); + if (sh_mobile_i2c_is_first_byte(pd)) { + data = i2c_8bit_addr_from_msg(pd->msg); + i2c_op(pd, OP_TX_FIRST, data); + } else { + data = pd->msg->buf[pd->pos]; + i2c_op(pd, OP_TX, data); + } pd->pos++; return 0; @@ -393,7 +386,7 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd) do { if (sh_mobile_i2c_is_first_byte(pd)) { - sh_mobile_i2c_get_data(pd, &data); + data = i2c_8bit_addr_from_msg(pd->msg); i2c_op(pd, OP_TX_FIRST, data); break; } |