RE: [PATCHv11 3/6] i2c: omap: Do not initialise the completion everytime

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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
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