| To: | |
|---|---|
| Subject: | Re: [ts-7000] Re: gpio kernel drivers.... |
| From: | Lennert Buytenhek <> |
| Date: | Fri, 17 Mar 2006 20:31:28 +0100 |
On Fri, Mar 17, 2006 at 07:01:22PM -0000, Yan Seiner wrote:
> I've been through the source for the ts9 kernel.... And the arm
> ioremap does handle non-page-aligned requests....
>
> I still can't figure out why, in the most basic sense,
>
> readb(ioremap(0x11e00104,1)) in kernel mode gives a different result than
>
> *((unsigned char *)mmap(0, getpagesize(), PROT_READ|PROT_WRITE,
> MAP_SHARED, fd, 0x11e000104)) in userspace....
Userspace mmap() does _not_ handle non-page-aligned mappings :-)
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [ts-7000] gpio kernel drivers...., Rich Wilson |
|---|---|
| Next by Date: | [ts-7000] Re: Using the new serial_blaster redboot EEPROM READ command, genosensor |
| Previous by Thread: | [ts-7000] Re: gpio kernel drivers...., Yan Seiner |
| Next by Thread: | [ts-7000] Re: gpio kernel drivers...., chentom60 |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
Disclaimer: Neither Andrew Taylor nor the University of NSW School of Computer and Engineering take any responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the birding-aus mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU