Morimoto-san, > I understand about I2C slave / multi-master case of pm_runtime_get/put. > But in probe case (after rcar_i2c_init() move), we can't do like below ? > this is more clear code for me. > > ------------- > diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c > index 26f2ff2..db7f4d1 100644 > --- a/drivers/i2c/busses/i2c-rcar.c > +++ b/drivers/i2c/busses/i2c-rcar.c > @@ -855,7 +855,6 @@ static int rcar_i2c_probe(struct platform_device *pdev) > priv->dma_rx = priv->dma_tx = ERR_PTR(-EPROBE_DEFER); > > pm_runtime_enable(dev); > - pm_runtime_get_sync(dev); > ret = rcar_i2c_clock_calculate(priv, &i2c_t);
rcar_i2c_clock_calculate() uses clk_get_rate, so clk must be active. Regards, Wolfram
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