From: Kuninori Morimoto <[email protected]> rcar_i2c_init() initializes I2C device, but it should be called *after* pm_runtime_get_sync(). Otherwise it outputs very hi speed clock. This patch solved this issue, This patch also removes pointless rcar_i2c_init() from rcar_i2c_probe()
Signed-off-by: Kuninori Morimoto <[email protected]> --- drivers/i2c/busses/i2c-rcar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 616433d..edbfefc 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -474,6 +474,8 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap, pm_runtime_get_sync(dev); + rcar_i2c_init(priv); + ret = rcar_i2c_bus_barrier(priv); if (ret < 0) goto out; @@ -612,8 +614,6 @@ static int rcar_i2c_probe(struct platform_device *pdev) if (IS_ERR(priv->io)) return PTR_ERR(priv->io); - rcar_i2c_init(priv); - irq = platform_get_irq(pdev, 0); init_waitqueue_head(&priv->wait); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
