linux-kernel - Re: [PATCH 1/3] Add smp support for Allwinner A20(sunxi 7i).

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Message-ID: <20130923185613.GA30198@roeck-us.net>
Date:	Mon, 23 Sep 2013 11:56:13 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Fan Rong <cinifr@...il.com>, coosty@....com,
	daniel.lezcano@...aro.org, linux@....linux.org.uk,
	tglx@...utronix.de, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, mark.rutland@....com,
	pawel.moll@....co, rob.herring@...xeda.com,
	linux-sunxi@...glegroups.com
Subject: Re: [PATCH 1/3] Add smp support for Allwinner A20(sunxi 7i).

On Mon, Sep 23, 2013 at 09:19:17PM +0300, Maxime Ripard wrote:
> Hi Guenter,
> 
> On Sun, Sep 22, 2013 at 08:37:23PM -0700, Guenter Roeck wrote:
> > On 09/21/2013 07:00 AM, Maxime Ripard wrote:
> > 
> > [ ... ]
> > 
> > >>+	/* assert cpu core reset */
> > >>+	writel(0, sunxi7i_cc_base + CPUX_RESET_CTL(cpu));
> > >>+	/* L1RSTDISABLE hold low */
> > >>+	pwr_reg = readl(sunxi7i_cc_base + AW_CPUCFG_GENCTL);
> > >>+	pwr_reg &= ~(1<<cpu);
> > >>+	writel(pwr_reg, sunxi7i_cc_base + AW_CPUCFG_GENCTL);
> > >>+	/* DBGPWRDUP hold low */
> > >>+	pwr_reg = readl(sunxi7i_cc_base + AW_CPUCFG_DBGCTL1);
> > >>+	pwr_reg &= ~(1<<cpu);
> > >
> > >Use BIT(cpu) here. And you should run scripts/checkpatch.pl on your
> > >patches before sending them.
> > >
> > 
> > For the record:
> > 
> > $ scripts/checkpatch.pl --strict allwinner.patch
> > total: 0 errors, 0 warnings, 0 checks, 527 lines checked
> > 
> > allwinner.patch has no obvious style problems and is ready for submission.
> > 
> > This is on top of "v3.12-rc1-336-gd8524ae".
> > 
> > checkpatch.pl does not complain as long as the number of spaces before
> > and after an operator is the same. There is a patch pending to change
> > this with the --strict option, but it will still not complain in 'normal'
> > operation.
> 
> Hmmm, ok. Somehow, I was convinced that it was triggering a warning.
> Thanks for the heads up :)
> 
Yes, me too until I realized that it doesn't :(.

Guenter
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