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Message-ID: <20240702082251.ljdaz2b7agabbm76@pengutronix.de>
Date: Tue, 2 Jul 2024 10:22:51 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Sergei Shtylyov <sergei.shtylyov@...il.com>
Cc: Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Russell King <linux@...linux.org.uk>, Joel Stanley <joel@....id.au>,
	Andrew Jeffery <andrew@...econstruct.com.au>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Vladimir Zapolskiy <vz@...ia.com>, Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...tlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Tony Lindgren <tony@...mide.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Dinh Nguyen <dinguyen@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Jonathan Neuschäfer <j.neuschaefer@....net>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
	imx@...ts.linux.dev, linux-omap@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org,
	openbmc@...ts.ozlabs.org, linuxppc-dev@...ts.ozlabs.org,
	linux-mips@...r.kernel.org, loongarch@...ts.linux.dev
Subject: Re: [PATCH 2/9] mtd: add mtd_is_master helper

On 24-07-01, Sergei Shtylyov wrote:
> On 7/1/24 4:53 PM, Marco Felsch wrote:
> 
> > Provide a simple helper to make it easy to detect an master mtd device.
> > 
> > Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
> > ---
> >  include/linux/mtd/mtd.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
> > index 8d10d9d2e830..bf3fc2ea7230 100644
> > --- a/include/linux/mtd/mtd.h
> > +++ b/include/linux/mtd/mtd.h
> > @@ -408,6 +408,11 @@ static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd)
> >  	return mtd;
> >  }
> >  
> > +static inline bool mtd_is_master(struct mtd_info *mtd)
> > +{
> > +	return mtd->parent ? false : true;
> 
>    Perhaps:
> 
> 	return !mtd->parent;

Sure, if you prefer this style rather I will change it.

Regards,
  Marco

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