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From: Jon Hunter <jonathanh@nvidia.com>
To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	<linux-i2c@vger.kernel.org>
Cc: <linux-renesas-soc@vger.kernel.org>,
	Laxman Dewangan <ldewangan@nvidia.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 08/12] i2c: tegra: use core to detect 'no zero length' quirk
Date: Fri, 5 Oct 2018 14:52:05 +0100	[thread overview]
Message-ID: <8eb3d00b-0275-30ec-ef44-5e859dd9242f@nvidia.com> (raw)
In-Reply-To: <20180723202617.15230-9-wsa+renesas@sang-engineering.com>


On 23/07/18 21:26, Wolfram Sang wrote:
> And don't reimplement in the driver.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
> 
> Only build tested.
> 
>  drivers/i2c/busses/i2c-tegra.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index 60c8561fbe65..437294ea2f0a 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -684,9 +684,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
>  
>  	tegra_i2c_flush_fifos(i2c_dev);
>  
> -	if (msg->len == 0)
> -		return -EINVAL;
> -
>  	i2c_dev->msg_buf = msg->buf;
>  	i2c_dev->msg_buf_remaining = msg->len;
>  	i2c_dev->msg_err = I2C_ERR_NONE;
> @@ -831,6 +828,7 @@ static const struct i2c_algorithm tegra_i2c_algo = {
>  
>  /* payload size is only 12 bit */
>  static const struct i2c_adapter_quirks tegra_i2c_quirks = {
> +	.flags = I2C_AQ_NO_ZERO_LEN,
>  	.max_read_len = 4096,
>  	.max_write_len = 4096,
>  };

Sorry for missing this, but looks fine to me, so ...

Acked-by: Jon Hunter <jonathanh@nvidia.com>

Cheers
Jon

-- 
nvpublic

  parent reply	other threads:[~2018-10-05 13:52 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-23 20:26 [PATCH 00/12] i2c: quirks: add zero length checks and update drivers Wolfram Sang
2018-07-23 20:26 ` [PATCH 01/12] i2c: quirks: add zero length checks Wolfram Sang
2018-07-23 20:44   ` Niklas Söderlund
2018-07-23 21:05     ` Wolfram Sang
2018-08-04 21:26   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 02/12] i2c: designware-master: use core to detect 'no zero length' quirk Wolfram Sang
2018-08-02 14:00   ` Jarkko Nikula
2018-08-04 21:26   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 03/12] i2c: mxs: " Wolfram Sang
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 04/12] i2c: omap: " Wolfram Sang
2018-10-05 12:24   ` Wolfram Sang
2018-10-05 14:11     ` Grygorii Strashko
2018-10-05 14:30       ` Tony Lindgren
2018-10-05 16:07   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 05/12] i2c: pmcmsp: " Wolfram Sang
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 06/12] i2c: qup: " Wolfram Sang
2018-10-05 12:24   ` Wolfram Sang
2018-10-05 14:23   ` Andy Gross
2018-10-05 16:07   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 07/12] i2c: stu300: " Wolfram Sang
2018-07-25 20:52   ` Linus Walleij
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 08/12] i2c: tegra: " Wolfram Sang
2018-10-05 12:24   ` Wolfram Sang
2018-10-05 13:52   ` Jon Hunter [this message]
2018-10-05 16:08   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 09/12] i2c: zx2967: " Wolfram Sang
2018-10-05 12:24   ` Wolfram Sang
2018-10-05 13:04   ` Shawn Guo
2018-10-05 16:08   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 10/12] i2c: rcar: " Wolfram Sang
2018-07-23 20:46   ` Niklas Söderlund
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 11/12] i2c: xlr: " Wolfram Sang
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:26 ` [PATCH 12/12] i2c: sh_mobile: use core to detect 'no zero length read' quirk Wolfram Sang
2018-07-23 20:54   ` Niklas Söderlund
2018-08-04 21:27   ` Wolfram Sang
2018-07-23 20:47 ` [PATCH 00/12] i2c: quirks: add zero length checks and update drivers Andy Shevchenko
2018-08-04 21:26   ` Wolfram Sang
2018-08-04 21:23 ` Wolfram Sang

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