linux-kernel - Re: [PATCH v1] clk: qcom: Add support for regmap clock dividers

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Message-ID: <542EE1A3.9050408@codeaurora.org>
Date:	Fri, 03 Oct 2014 10:49:23 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Georgi Djakov <gdjakov@...sol.com>
CC:	mturquette@...aro.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v1] clk: qcom: Add support for regmap clock dividers

On 10/03/14 08:13, Georgi Djakov wrote:
> On 10/02/2014 09:11 PM, Stephen Boyd wrote:
>> On 09/30/14 10:20, Georgi Djakov wrote:
>> +					unsigned long parent_rate)
>> +{
>> +	struct clk_regmap *rclk = to_clk_regmap(hw);
>> +	struct clkdiv_regmap *clkdiv = to_clkdiv_regmap(rclk);
>> +	unsigned int div, val;
>> +
>> +	regmap_read(rclk->regmap, clkdiv->reg, &val);
>> +	if (!val)
>> +		return parent_rate;
>> +
>> +	div = (val >> clkdiv->shift) & ((1 << clkdiv->width)-1);
>> +
>> +	return parent_rate / div;
>> I don't know if you saw the patch to split out the clk-divider.c logic
>> from the readl/writel patch I sent[1]? That could make this slightly
>> smaller.
>> tabl
> Could you please provide a link to that patch?

Doh, here it is: https://lkml.org/lkml/2014/9/5/762


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