linux-kernel - Re: [PATCH] MIPS: cevt-r4k: Enable intimer for Loongson64 CPUs with extimer

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Message-ID: <20201002132721.GA12295@alpha.franken.de>
Date:   Fri, 2 Oct 2020 15:27:21 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
Cc:     linux-mips@...r.kernel.org, Huacai Chen <chenhc@...ote.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        WANG Xuerui <git@...0n.name>,
        Paul Burton <paulburton@...nel.org>,
        周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>,
        afzal mohammed <afzal.mohd.ma@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Liangliang Huang <huanglllzu@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: cevt-r4k: Enable intimer for Loongson64 CPUs with
 extimer

On Wed, Sep 23, 2020 at 07:02:54PM +0800, Jiaxun Yang wrote:
>  
> +#ifdef CONFIG_CPU_LOONGSON64
> +static int c0_compare_int_enable(struct clock_event_device *cd)
> +{
> +	if (cpu_has_extimer)
> +		set_c0_config6(LOONGSON_CONF6_INTIMER);

why are you not simply do this in loognson64 board setup code and avoid
the whole cluttering of #ifdef CONFIG_CPU_LOONGSON64 over common code ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]