linux-kernel - Re: [PATCH v1 1/3] i2c: rk3x: add calc

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Message-ID: <568FB5BD.9050809@rock-chips.com>
Date:	Fri, 8 Jan 2016 21:12:29 +0800
From:	"David.Wu" <wdc@...k-chips.com>
To:	Wolfram Sang <wsa@...-dreams.de>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Jianqun Xu <jay.xu@...k-chips.com>,
	Heiko Stübner <heiko@...ech.de>,
	dianders@...omium.org, huangtao@...k-chips.com, zyw@...k-chips.com,
	hl@...k-chips.com, xjq@...k-chips.com,
	linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
	linux-rockchip@...ts.infradead.org, linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Wu <david.wu@...k-chips.com>
Subject: Re: [PATCH v1 1/3] i2c: rk3x: add calc_divs ops for new version

Hi Wolfram, Andy

Thanks for your suggestion.
I will  use i2c_parse_fw_timings() function to replace it.

在 2016/1/5 3:40, Wolfram Sang 写道:
>>>> +static int rk3x_i2c_v0_calc_divs(unsigned long clk_rate, unsigned long
>>>> scl_rate,
>>>> +                                unsigned long scl_rise_ns,
>>>> +                                unsigned long scl_fall_ns,
>>>> +                                unsigned long sda_fall_ns,
>> Wolfram did some sturct to assign the parameters from device properties.
>> It might be re-used here.
> Yes, I think it makes sense to convert the driver first to use
> the new i2c_parse_fw_timings() function and see if it fits (or if we need
> to extend it perhaps).
>
> David, does this make sense to you?
>