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Message-ID: <52b627ca-93b6-5c67-7d00-cf4c962ab5df@linux.intel.com>
Date:	Fri, 17 Jun 2016 08:36:42 +0300
From:	Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:	Weifeng Voon <weifeng.voon@...el.com>,
	Wolfram Sang <wsa@...-dreams.de>
Cc:	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	jui.nee.tan@...el.com
Subject: Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl
 I2C_TIMEOUT

On 06/17/2016 04:46 AM, Weifeng Voon wrote:
> This allows applications to set the transfer timeout in 10ms increments via
> ioctl I2C_TIMEOUT.
>
> Signed-off-by: Weifeng Voon <weifeng.voon@...el.com>
> ---
>  changelog v2:
>  * No code change, just change to a more suitable title
>
>  changelog v3:
>  * Move changelog out of commit log
>
>  drivers/i2c/busses/i2c-designware-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
> index 99b54be..c6922b8 100644
> --- a/drivers/i2c/busses/i2c-designware-core.c
> +++ b/drivers/i2c/busses/i2c-designware-core.c
> @@ -663,7 +663,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
>  	i2c_dw_xfer_init(dev);
>
>  	/* wait for tx to complete */
> -	if (!wait_for_completion_timeout(&dev->cmd_complete, HZ)) {
> +	if (!wait_for_completion_timeout(&dev->cmd_complete, adap->timeout)) {
>  		dev_err(dev->dev, "controller timed out\n");
>  		/* i2c_dw_init implicitly disables the adapter */
>  		i2c_dw_init(dev);

Acked-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>

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