* iwl + iomap + readl/writel
@ 2008-08-12 20:48 Jiri Slaby
2008-08-12 21:49 ` Tomas Winkler
0 siblings, 1 reply; 6+ messages in thread
From: Jiri Slaby @ 2008-08-12 20:48 UTC (permalink / raw)
To: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
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.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: iwl + iomap + readl/writel
2008-08-12 20:48 iwl + iomap + readl/writel Jiri Slaby
@ 2008-08-12 21:49 ` Tomas Winkler
2008-08-12 21:54 ` Jiri Slaby
0 siblings, 1 reply; 6+ messages in thread
From: Tomas Winkler @ 2008-08-12 21:49 UTC (permalink / raw)
To: Jiri Slaby
Cc: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@gmail.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?
Thanks
Tomas
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: iwl + iomap + readl/writel
2008-08-12 21:49 ` Tomas Winkler
@ 2008-08-12 21:54 ` Jiri Slaby
2008-08-12 21:57 ` Tomas Winkler
0 siblings, 1 reply; 6+ messages in thread
From: Jiri Slaby @ 2008-08-12 21:54 UTC (permalink / raw)
To: Tomas Winkler
Cc: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
On 08/12/2008 11:49 PM, Tomas Winkler wrote:
> On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@gmail.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).
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: iwl + iomap + readl/writel
2008-08-12 21:54 ` Jiri Slaby
@ 2008-08-12 21:57 ` Tomas Winkler
2008-08-12 21:58 ` Jiri Slaby
0 siblings, 1 reply; 6+ messages in thread
From: Tomas Winkler @ 2008-08-12 21:57 UTC (permalink / raw)
To: Jiri Slaby
Cc: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
On Wed, Aug 13, 2008 at 12:54 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
> On 08/12/2008 11:49 PM, Tomas Winkler wrote:
>>
>> On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@gmail.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 :)
Tomas
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: iwl + iomap + readl/writel
2008-08-12 21:57 ` Tomas Winkler
@ 2008-08-12 21:58 ` Jiri Slaby
2008-08-12 22:04 ` Tomas Winkler
0 siblings, 1 reply; 6+ messages in thread
From: Jiri Slaby @ 2008-08-12 21:58 UTC (permalink / raw)
To: Tomas Winkler
Cc: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
On 08/12/2008 11:57 PM, Tomas Winkler wrote:
> On Wed, Aug 13, 2008 at 12:54 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
>> On 08/12/2008 11:49 PM, Tomas Winkler wrote:
>>> On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@gmail.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.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: iwl + iomap + readl/writel
2008-08-12 21:58 ` Jiri Slaby
@ 2008-08-12 22:04 ` Tomas Winkler
0 siblings, 0 replies; 6+ messages in thread
From: Tomas Winkler @ 2008-08-12 22:04 UTC (permalink / raw)
To: Jiri Slaby
Cc: yi.zhu, reinette.chatre, linux-wireless,
Linux Kernel Mailing List
On Wed, Aug 13, 2008 at 12:58 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
> On 08/12/2008 11:57 PM, Tomas Winkler wrote:
>>
>> On Wed, Aug 13, 2008 at 12:54 AM, Jiri Slaby <jirislaby@gmail.com> wrote:
>>>
>>> On 08/12/2008 11:49 PM, Tomas Winkler wrote:
>>>>
>>>> On Tue, Aug 12, 2008 at 11:48 PM, Jiri Slaby <jirislaby@gmail.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
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2008-08-12 22:04 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2008-08-12 20:48 iwl + iomap + readl/writel Jiri Slaby
2008-08-12 21:49 ` Tomas Winkler
2008-08-12 21:54 ` Jiri Slaby
2008-08-12 21:57 ` Tomas Winkler
2008-08-12 21:58 ` Jiri Slaby
2008-08-12 22:04 ` Tomas Winkler
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