From: Russell King <rmk@arm.linux.org.uk>
To: Matthew Clark <matt@eee.nott.ac.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: dev driver / pci throughput
Date: Fri, 9 Nov 2001 18:07:18 +0000 [thread overview]
Message-ID: <20011109180718.A14307@flint.arm.linux.org.uk> (raw)
In-Reply-To: <Pine.OSF.4.31.0111091022010.26869-100000@perry>
In-Reply-To: <Pine.OSF.4.31.0111091022010.26869-100000@perry>; from matt@eee.nottingham.ac.uk on Fri, Nov 09, 2001 at 10:48:58AM +0000
On Fri, Nov 09, 2001 at 10:48:58AM +0000, Matthew Clark wrote:
>
> MEM_reg=ioremap(pci_resource_start(dev,B_SM_MEM)&PCI_BASE_ADDRESS_MEM_MASK,REG_SIZE);
>
Not directly related to your query, but a general observation: You don't
need to mask with PCI_BASE_ADDRESS_MEM_MASK - this is already handled by
the generic PCI layer when it reads the PCI BARs.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
prev parent reply other threads:[~2001-11-09 18:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-09 10:48 Matthew Clark
2001-11-09 12:32 ` Sebastian Heidl
2001-11-09 18:07 ` Russell King [this message]
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