linux-kernel - Re: iwl + iomap + readl/writel

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Date:	Wed, 13 Aug 2008 01:04:33 +0300
From:	"Tomas Winkler" <tomasw@...il.com>
To:	"Jiri Slaby" <jirislaby@...il.com>
Cc:	yi.zhu@...el.com, reinette.chatre@...el.com,
	linux-wireless <linux-wireless@...r.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: iwl + iomap + readl/writel

On Wed, Aug 13, 2008 at 12:58 AM, Jiri Slaby <jirislaby@...il.com> wrote:
> On 08/12/2008 11:57 PM, Tomas Winkler wrote:
>>
>> On Wed, Aug 13, 2008 at 12:54 AM, Jiri Slaby <jirislaby@...il.com> wrote:
>>>
>>> On 08/12/2008 11:49 PM, Tomas Winkler wrote:
>>>>
>>>> On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@...il.com>
>>>> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I spotted that iwl drivers use readl method on an iomap space. IIRC
>>>>> some
>>>>> archs might return a tag instead of an address expected by
>>>>> readl/writel.
>>>>>
>>>>> I think you should either switch to ioread32/iowrite32 or to ioremap.
>>>>
>>>> Can you give me reading material  on this?
>>>
>>> No, google will (you can even feel lucky).
>>
>> I didn't ask for obvious answers :)
>
> Sorry, I don't remember where/when this was discussed, you have to search
> for it.

It's okay I'm already digging into it
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