No, it should be init_completion(&dev->cmd_complete); in probe, we need to initialize the wait queue, which will be used when using "complete(......)" -----Original Message----- From: linux-i2c-owner@xxxxxxxxxxxxxxx [mailto:linux-i2c-owner@xxxxxxxxxxxxxxx] On Behalf Of ABRAHAM, KISHON VIJAY Sent: Friday, June 29, 2012 12:03 AM To: Shubhrajyoti D Cc: linux-omap@xxxxxxxxxxxxxxx; linux-i2c@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; ben-linux@xxxxxxxxx; tony@xxxxxxxxxxx; w.sang@xxxxxxxxxxxxxx Subject: Re: [PATCHv11 3/6] i2c: omap: Do not initialise the completion everytime Hi, On Thu, Jun 28, 2012 at 8:41 PM, Shubhrajyoti D <shubhrajyoti@xxxxxx> wrote: > Use INIT_COMPLETION instead of init_completion in transfer. > > Reviewed-by: Felipe Balbi <balbi@xxxxxx> > Signed-off-by: Shubhrajyoti D <shubhrajyoti@xxxxxx> > --- > - Add Felipe's reviewed-by tag > > drivers/i2c/busses/i2c-omap.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-omap.c > b/drivers/i2c/busses/i2c-omap.c index b9915bb..6d05f18 100644 > --- a/drivers/i2c/busses/i2c-omap.c > +++ b/drivers/i2c/busses/i2c-omap.c > @@ -490,7 +490,7 @@ static int omap_i2c_xfer_msg(struct i2c_adapter > *adap, > w |= OMAP_I2C_BUF_RXFIF_CLR | OMAP_I2C_BUF_TXFIF_CLR; > omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, w); > > - init_completion(&dev->cmd_complete); > + INIT_COMPLETION(dev->cmd_complete); > dev->cmd_err = 0; > > w = OMAP_I2C_CON_EN | OMAP_I2C_CON_MST | OMAP_I2C_CON_STT; @@ > -999,6 +999,7 @@ omap_i2c_probe(struct platform_device *pdev) > } > > platform_set_drvdata(pdev, dev); > + init_completion(&dev->cmd_complete); It should be INIT_COMPLETION here too. Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html