linux-kernel - Re: [PATCH v10 02/27] clk: davinci: da850-pll: change PLL0 to CLK_OF

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Date:   Wed, 16 May 2018 11:21:15 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     David Lechner <david@...hnology.com>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...nel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Adam Ford <aford173@...il.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 02/27] clk: davinci: da850-pll: change PLL0 to
 CLK_OF_DECLARE

On Tuesday 15 May 2018 09:12 PM, David Lechner wrote:
> On 05/15/2018 08:31 AM, Sekhar Nori wrote:
>> On Wednesday 09 May 2018 10:55 PM, David Lechner wrote:
>>> +void of_da850_pll0_init(struct device_node *node)
>>>   {
>>> -    return of_davinci_pll_init(dev, dev->of_node, &da850_pll0_info,
>>> -                   &da850_pll0_obsclk_info,
>>> -                   da850_pll0_sysclk_info, 7, base, cfgchip);
>>> +    void __iomem *base;
>>> +    struct regmap *cfgchip;
>>> +
>>> +    base = of_iomap(node, 0);
>>> +    if (!base) {
>>> +        pr_err("%s: ioremap failed\n", __func__);
>>> +        return;
>>> +    }
>>> +
>>> +    cfgchip = syscon_regmap_lookup_by_compatible("ti,da830-cfgchip");
> 
> In your previous review, you pointed out that the error did not need to
> be handled here because it is handled later in davinci_pll_clk_register().>
> We get a warning there because cfgchip is only needed for unlocking the
> PLL for CPU frequency scaling and is not critical for operation of the
> clocks.

Oops, forgot about that :)

Reviewed-by: Sekhar Nori <nsekhar@...com>

Thanks,
Sekhar