diff options
| author | Luka Pivk <luka.pivk@toradex.com> | 2019-01-08 07:02:41 +0100 |
|---|---|---|
| committer | Luka Pivk <luka.pivk@toradex.com> | 2019-01-08 07:02:41 +0100 |
| commit | 43f61e8df71c474cd56b5c971096b9cf8d36cd95 (patch) | |
| tree | 0031be65fcc2fd2fd3eceeee9558b5526a19e431 /drivers/i2c/busses/i2c-rcar.c | |
| parent | 5656ec50dc9950db865d53306326b1a732e3738e (diff) | |
| parent | c04c050f5bf98845bfe22164b8a1503d696a6e26 (diff) | |
Merge remote-tracking branch 'remotes/origin/linux-4.19.y'toradex_4.19.y
Signed-off-by: Luka Pivk <luka.pivk@toradex.com>
Diffstat (limited to 'drivers/i2c/busses/i2c-rcar.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-rcar.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 4aa7dde876f3..254e6219e538 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -779,6 +779,11 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, pm_runtime_get_sync(dev); + /* Check bus state before init otherwise bus busy info will be lost */ + ret = rcar_i2c_bus_barrier(priv); + if (ret < 0) + goto out; + /* Gen3 needs a reset before allowing RXDMA once */ if (priv->devtype == I2C_RCAR_GEN3) { priv->flags |= ID_P_NO_RXDMA; @@ -791,10 +796,6 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, rcar_i2c_init(priv); - ret = rcar_i2c_bus_barrier(priv); - if (ret < 0) - goto out; - for (i = 0; i < num; i++) rcar_i2c_request_dma(priv, msgs + i); |