linux-kernel - Re: [PATCH v3 1/1 resend] i2c: rcar: modify I2C driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <521F1869.1090408@jinso.co.jp>
Date:	Thu, 29 Aug 2013 18:46:17 +0900
From:	Nguyen Viet Dung <nv-dung@...so.co.jp>
To:	Wolfram Sang <wsa@...-dreams.de>
CC:	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	kuninori.morimoto.gx@...esas.com
Subject: Re: [PATCH v3 1/1 resend] i2c: rcar: modify I2C driver

Hi Wolfram,

Thank your for the guide.

I have understood your guide.
And I have released version 4 of I2C patch.

Please check it for me.

Thanks,
Nguyen Viet Dung

On 08/28/2013 06:02 PM, Wolfram Sang wrote:
> On Tue, Aug 27, 2013 at 04:55:22PM +0900, Nguyen Viet Dung wrote:
>> This patch modify I2C driver of rcar-H1 to usable on both rcar-H1 and rcar-H2.
>>
>> Signed-off-by: Nguyen Viet Dung <nv-dung@...so.co.jp>
> Yes, this is much better. Only minor things...
>
>> +	switch (priv->devtype) {
>> +	default:
>> +	case I2C_RCAR_H1:
>> +		cdf_width = 2;
>> +		break;
>> +	case I2C_RCAR_H2:
>> +		cdf_width = 3;
>> +		break;
>> +	}
>> +
> Please put the default case block at the end.
>
>> @@ -632,6 +649,13 @@ static int rcar_i2c_probe(struct platform_device *pdev)
>>   	bus_speed = 100000; /* default 100 kHz */
>>   	if (pdata && pdata->bus_speed)
>>   		bus_speed = pdata->bus_speed;
>> +
>> +	if (!pdev->id_entry) {
>> +		dev_err(&pdev->dev, "no entry\n");
>> +		return -ENODEV;
>> +	}
> This cannot happen. Since you have 'i2c-rcar' in the id_table, the
> driver core will always match against the id_table and there is always a
> driver_data defined.
>
>
>> +	priv->devtype = pdev->id_entry->driver_data;
> Basically the same, but please use
>
> 	platform_get_device_id(pdev)->driver_data;
>
> Otherwise good!
>
> Thanks,
>
>     Wolfram

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/