linux-kernel - Re: [PATCH v13 04/13] mfd: Add Ingenic TCU driver

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Date:   Tue, 25 Jun 2019 19:47:32 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Paul Burton <paul.burton@...s.com>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Mathieu Malaterre <malat@...ian.org>, od@...c.me,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-clk@...r.kernel.org, Artur Rojek <contact@...ur-rojek.eu>
Subject: Re: [PATCH v13 04/13] mfd: Add Ingenic TCU driver



Le mar. 25 juin 2019 à 19:30, Paul Burton <paul.burton@...s.com> a 
écrit :
> Hi Paul,
> 
> On Tue, Jun 25, 2019 at 12:57:50AM +0200, Paul Cercueil wrote:
>>  +static const struct of_device_id ingenic_tcu_of_match[] = {
>>  +	{ .compatible = "ingenic,jz4740-tcu", .data = &jz4740_soc_info, },
>>  +	{ .compatible = "ingenic,jz4725b-tcu", .data = &jz4725b_soc_info, 
>> },
>>  +	{ .compatible = "ingenic,jz4770-tcu", .data = &jz4740_soc_info, },
>>  +	{ }
>>  +};
> 
> Nit: why not order these numerically? ie. 25b, 40, 70.

They are in chronological order - the jz4725b is newer than the jz4740.

>>  +static struct regmap * __init ingenic_tcu_create_regmap(struct 
>> device_node *np)
>>  +{
>>  +	struct resource res;
>>  +	void __iomem *base;
>>  +	struct regmap *map;
>>  +
>>  +	if (!of_match_node(ingenic_tcu_of_match, np))
>>  +		return ERR_PTR(-EINVAL);
>>  +
>>  +	base = of_io_request_and_map(np, 0, "TCU");
>>  +	if (IS_ERR(base))
>>  +		return ERR_PTR(PTR_ERR(base));
> 
> This is equivalent to:
> 
>     return ERR_CAST(base);

Alright - I'll fix it in a following patch if this V13 gets merged,
or in the V14 patchset.

> Apart from those:
> 
>     Reviewed-by: Paul Burton <paul.burton@...s.com>
> 
> Thanks,
>     Paul