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Message-ID: <46CF399E.3010808@gmail.com>
Date: Fri, 24 Aug 2007 22:03:42 +0200
From: Jiri Slaby <jirislaby@...il.com>
To: Alan Cox <alan@...rguk.ukuu.org.uk>
CC: Jiri Slaby <jirislaby@...il.com>, postfail@...hmail.com,
linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] /drivers/char sx.c ioremap -> pci_ioremap api
Alan Cox napsal(a):
> ase, 0x80);
>> remove also the hwbase var.
>>
>>> + rebase = pci_iomap(pdev, 0, 0x80);
>>> t = readl(rebase + CNTRL_REG_OFFSET);
>
> Switch to ioread* if you are using the iomap interface. Its not a trivial
Why, if you know it's surely a mem region (and thus you rely on it and do
ioremap)? There are many places in the kernel, where this approach is used, e.g.
libata piix.
> conversion and its slower and bulkier - the original ioremap was much
> better
at least get rid of the reading the hwbase address from pci conf space, use
pci_resource_start instead.
--
Jiri Slaby (jirislaby@...il.com)
Faculty of Informatics, Masaryk University
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