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From: Alan <alan@lxorguk.ukuu.org.uk>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: Andrew Morton <akpm@osdl.org>, <linux-kernel@vger.kernel.org>,
	<rmk@arm.linux.org.uk>, <linuxppc-dev@ozlabs.org>
Subject: Re: [PATCH 2/2] Use resource_size_t for serial port IO addresses
Date: Tue, 20 Feb 2007 13:06:34 +0000	[thread overview]
Message-ID: <20070220130634.72b9a02b@localhost.localdomain> (raw)
In-Reply-To: <20070220031951.5D53BDDD0E@ozlabs.org>

On Tue, 20 Feb 2007 14:19:51 +1100 (EST)
David Gibson <david@gibson.dropbear.id.au> wrote:

> At present, various parts of the serial code use unsigned long to
> define resource addresses.  This is a problem, because some 32-bit
> platforms have physical addresses larger than 32-bits, and have mmio
> serial uarts located above the 4GB point.
> 
> This patch changes the type of mapbase in both struct uart_port and
> struct plat_serial8250_port to resource_size_t, which can be
> configured to be 64 bits on such platforms.  The mapbase in
> serial_struct can't safely be changed, because that structure is user
> visible.
> 
> Signed-off-by: David Gibson <dwg@au1.ibm.com>

Acked-by: Alan Cox <alan@redhat.com>

      reply	other threads:[~2007-02-20 12:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-20  3:17 Use resource_size_t for serial MMIO addresses David Gibson
2007-02-20  3:19 ` [PATCH 1/2] Define FIXED_PORT flag for serial_core David Gibson
2007-02-20 13:07   ` Alan
2007-02-28 22:26   ` Russell King
2007-02-28 23:44     ` David Gibson
2007-03-01 10:30       ` Russell King
2007-03-02  1:57         ` David Gibson
2007-02-20  3:19 ` [PATCH 2/2] Use resource_size_t for serial port IO addresses David Gibson
2007-02-20 13:06   ` Alan [this message]

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