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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: "Andre Przywara" <andre.przywara@arm.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Nicolas Ferre" <nicolas.ferre@atmel.com>,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
	"Jiri Slaby" <jslaby@suse.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] serial: atmel: fix compiler warning on address cast
Date: Thu, 8 Oct 2015 10:37:49 +0100	[thread overview]
Message-ID: <20151008093749.GB32532@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20151008090148.GE3485@piout.net>

On Thu, Oct 08, 2015 at 11:01:48AM +0200, Alexandre Belloni wrote:
> On 05/10/2015 at 18:00:52 +0100, Andre Przywara wrote :
> > Turning on KVM and LPAE support on top of a multi_v7_defconfig will
> > produce a compiler warning in the Atmel serial driver:
> > drivers/tty/serial/atmel_serial.c: In function 'atmel_verify_port':
> > drivers/tty/serial/atmel_serial.c:2299:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
> >   if ((void *)port->mapbase != ser->iomem_base)
> >       ^
> > 
> > Fix that by using the cast on the right hand side instead, as similar
> > code already does in other drivers.
> > 
> > Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

Hmm, this actually points at a problem, and the cast screems out about it.
Think about it, can you guess what it is?

-- 
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

  reply	other threads:[~2015-10-08  9:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05 17:00 [PATCH] serial: atmel: fix compiler warning on address cast Andre Przywara
2015-10-08  9:01 ` Alexandre Belloni
2015-10-08  9:37   ` Russell King - ARM Linux [this message]
2015-10-08 10:38     ` Alexandre Belloni
2015-10-08 14:49       ` Andre Przywara
2015-10-08 15:01         ` Russell King - ARM Linux

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