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Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl I2C_TIMEOUT

From Jarkko Nikula <jarkko.nikula@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl I2C_TIMEOUT
Date 2016-06-17 07:40 +0200
Message-ID <rKUFA-2px-41@gated-at.bofh.it> (permalink)
References <rKR50-8jh-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@intel.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@linux.intel.com>

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Thread

[PATCH v3] i2c: designware: Use transfer timeout from ioctl I2C_TIMEOUT Weifeng Voon <weifeng.voon@intel.com> - 2016-06-17 03:50 +0200
  Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl  I2C_TIMEOUT Jarkko Nikula <jarkko.nikula@linux.intel.com> - 2016-06-17 07:40 +0200
  Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl  I2C_TIMEOUT Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-06-17 09:20 +0200
  Re: [PATCH v3] i2c: designware: Use transfer timeout from ioctl  I2C_TIMEOUT Wolfram Sang <wsa@the-dreams.de> - 2016-06-19 19:00 +0200

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