diff options
author | Ricardo Ribalda <ribalda@chromium.org> | 2024-05-07 00:10:28 +0300 |
---|---|---|
committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-05-31 14:51:15 +0300 |
commit | 0b9a0cd686f6e17e3b33953b9cd0746978fcaa7c (patch) | |
tree | 9d74d74ac50e4d8f2b36154439e6480303a917d8 /drivers/media/dvb-frontends | |
parent | f56d1edbb7c4d9d20e1fea25adbaa76bb8b28021 (diff) | |
download | linux-0b9a0cd686f6e17e3b33953b9cd0746978fcaa7c.tar.xz |
media: dvb-frontends/stv090x: Refactor tuner_i2c_lock
Move the lock logic to it's own function. There is less code duplication
and cocci is much happier.
Fix the following cocci warning:
drivers/media/dvb-frontends/stv090x.c:799:1-7: preceding lock on line 768
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r-- | drivers/media/dvb-frontends/stv090x.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index cc45139057ba..3b02d504941f 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -748,6 +748,22 @@ static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 d return stv090x_write_regs(state, reg, &tmp, 1); } +static inline void stv090x_tuner_i2c_lock(struct stv090x_state *state) +{ + if (state->config->tuner_i2c_lock) + state->config->tuner_i2c_lock(&state->frontend, 1); + else + mutex_lock(&state->internal->tuner_lock); +} + +static inline void stv090x_tuner_i2c_unlock(struct stv090x_state *state) +{ + if (state->config->tuner_i2c_lock) + state->config->tuner_i2c_lock(&state->frontend, 0); + else + mutex_unlock(&state->internal->tuner_lock); +} + static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) { u32 reg; @@ -761,12 +777,8 @@ static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) * In case of any error, the lock is unlocked and exit within the * relevant operations themselves. */ - if (enable) { - if (state->config->tuner_i2c_lock) - state->config->tuner_i2c_lock(&state->frontend, 1); - else - mutex_lock(&state->internal->tuner_lock); - } + if (enable) + stv090x_tuner_i2c_lock(state); reg = STV090x_READ_DEMOD(state, I2CRPT); if (enable) { @@ -782,20 +794,13 @@ static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable) goto err; } - if (!enable) { - if (state->config->tuner_i2c_lock) - state->config->tuner_i2c_lock(&state->frontend, 0); - else - mutex_unlock(&state->internal->tuner_lock); - } + if (!enable) + stv090x_tuner_i2c_unlock(state); return 0; err: dprintk(FE_ERROR, 1, "I/O error"); - if (state->config->tuner_i2c_lock) - state->config->tuner_i2c_lock(&state->frontend, 0); - else - mutex_unlock(&state->internal->tuner_lock); + stv090x_tuner_i2c_unlock(state); return -1; } |