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Re: whats wrong with my mmap code?
On Tuesday 04 September 2007 08:18, srinivas bakki wrote:
> > qcard->memaccess = ioremap(qcard->memstart, qcard->memlen);
>
> unsigned long physical = (unsigned long) qcard->memaccess + off;
>
>
>
> if (remap_pfn_range(vma, vma->vm_start, phys_to_pfn(physical), vsize,
> vma->vm_page_prot))
> return -EAGAIN;
>
>
> qcard->memaccess is not physical address .
I double checked this - it doesn't work with qcard->memstart neither.
Bye...Frank
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