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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>,
	Steffen Trumtrar <s.trumtrar@pengutronix.de>,
	Tim Sander <tim@krieglstein.org>
Subject: Re: [PATCH v4] Terasic DE0-Nano-SoC: add support
Date: Tue, 2 Feb 2016 09:03:58 +0100	[thread overview]
Message-ID: <20160202080358.GE4118@pengutronix.de> (raw)
In-Reply-To: <CAHQ1cqEBXBziKFGPaDQBK3zMw0+D4cnjvB2KXHBF906UG8Ahwg@mail.gmail.com>

On Mon, Feb 01, 2016 at 11:08:10AM -0800, Andrey Smirnov wrote:
> On Mon, Feb 1, 2016 at 8:09 AM, Tim Sander <tim@krieglstein.org> wrote:
> > v4: use the amended patch not the old one, doh. Sorry for the noise.
> >

> > +static inline void ledon(int led)
> > +{
> > +       u32 val;
> > +
> > +       val = readl(0xFF709000);
> > +       val |= 1 << (led + 24);
> > +       writel(val, 0xFF709000);
> > +
> > +       val = readl(0xFF709004);
> > +       val |= 1 << (led + 24);
> > +       writel(val, 0xFF709004);
> > +}
> > +
> > +static inline void ledoff(int led)
> > +{
> > +       u32 val;
> > +
> > +       val = readl(0xFF709000);
> > +       val &= ~(1 << (led + 24));
> > +       writel(val, 0xFF709000);
> > +
> > +       val = readl(0xFF709004);
> > +       val &= ~(1 << (led + 24));
> > +       writel(val, 0xFF709004);
> > +}
> 
> Where are those "ledoff" and "ledon" functions used?

I assume they are for early debugging and otherwise unused. It's ok to
leave them here. Maybe add a comment why they are here, also some
indication for valid led values would be nice.

Sascha

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  reply	other threads:[~2016-02-02  8:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-01 16:09 Tim Sander
2016-02-01 19:08 ` Andrey Smirnov
2016-02-02  8:03   ` Sascha Hauer [this message]
2016-02-02 23:30   ` Trent Piepho
2016-02-03  1:16     ` Andrey Smirnov
2016-02-11 14:40   ` Tim Sander
2016-02-12  8:33     ` Sascha Hauer
2016-02-12 13:13       ` Tim Sander

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