linux-kernel - Re: [PATCH 10/11] spi: add more debug prints in s3c64xx

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Message-ID: <20150604094248.GA14071@sirena.org.uk>
Date:	Thu, 4 Jun 2015 10:42:48 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Michal Suchanek <hramrach@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Han Xu <han.xu@...escale.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Marek Vasut <marex@...x.de>,
	Rafał Miłecki <zajec5@...il.com>,
	Alison Chaiken <alison_chaiken@...tor.com>,
	Huang Shijie <b32955@...escale.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Knut Wohlrab <knut.wohlrab@...bosch.com>,
	Bean Huo 霍斌斌 (beanhuo) 
	<beanhuo@...ron.com>, "grmoore@...era.com" <grmoore@...era.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, dmaengine@...r.kernel.org,
	MTD Maling List <linux-mtd@...ts.infradead.org>,
	linux-spi <linux-spi@...r.kernel.org>
Subject: Re: [PATCH 10/11] spi: add more debug prints in s3c64xx

On Thu, Jun 04, 2015 at 11:30:15AM +0200, Geert Uytterhoeven wrote:
> On Thu, Jun 4, 2015 at 11:16 AM, Mark Brown <broonie@...nel.org> wrote:
> >> --- a/drivers/spi/spi-s3c64xx.c
> >> +++ b/drivers/spi/spi-s3c64xx.c
> >> @@ -18,6 +18,7 @@
> >>  #include <linux/interrupt.h>
> >>  #include <linux/delay.h>
> >>  #include <linux/clk.h>
> >> +#include <linux/clk-provider.h>

> > Whatever you're doing here this indicates that there's a very big
> > abstraction problem going on.

> I guess it's needed for __clk_get_name(), which can be avoided by using
> the "%pC" printf format specifier instead.

Right, or by adding an externally usable API - the point is that using
internal functions in a client driver is a big red flag.

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