linux-kernel - Re: UIO: uio_mem does not handle devices above 4 GB address

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Message-Id: <1245122758.12400.52.camel@pasglop>
Date:	Tue, 16 Jun 2009 13:25:58 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	"Steven A. Falco" <sfalco@...ris.com>
Cc:	linux-kernel@...r.kernel.org, hjk@...utronix.de,
	"Herrera-Bendezu, Luis" <lherrera@...ris.com>,
	"linuxppc-dev@...abs.org" <linuxppc-dev@...abs.org>
Subject: Re: UIO: uio_mem does not handle devices above 4 GB address

On Thu, 2009-04-02 at 09:20 -0400, Steven A. Falco wrote:

> struct uio_mem {
> 	phys_addr_t		addr;
> 	phys_addr_t		size;
> 	int			memtype;
> 	void __iomem		*internal_addr;
> 	struct uio_map		*map;
> };
> 
> A few other changes would be needed.  We'd have to use something
> other than

Use a struct resource instead.

> 	return sprintf(buf, "0x%lx\n", mem->addr);
> 

The struct resource has a printk format string.

Cheers,
Ben.
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@...abs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev

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