* 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 -- links below jump to the message on this page -- 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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