diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-rcar.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-rcar.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index f2cbb8a7d0b..828b519146f 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -294,15 +294,6 @@ static int rcar_i2c_recv(struct rcar_i2c_priv *priv) static int rcar_i2c_send(struct rcar_i2c_priv *priv) { - int ret; - - /* - * It should check bus status when send case - */ - ret = rcar_i2c_bus_barrier(priv); - if (ret < 0) - return ret; - rcar_i2c_set_addr(priv, 0); rcar_i2c_status_clear(priv); rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_START); @@ -508,7 +499,10 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, spin_unlock_irqrestore(&priv->lock, flags); /*-------------- spin unlock -----------------*/ - ret = -EINVAL; + ret = rcar_i2c_bus_barrier(priv); + if (ret < 0) + goto out; + for (i = 0; i < num; i++) { /* This HW can't send STOP after address phase */ if (msgs[i].len == 0) { @@ -569,7 +563,7 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, ret = i + 1; /* The number of transfer */ } - +out: pm_runtime_put(dev); if (ret < 0 && ret != -ENXIO) |