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List:       linux-mips
Subject:    Re: mmap problem
From:       Dmitriy Tochansky <toch () dfpost ! ru>
Date:       2004-12-08 7:35:42
Message-ID: 20041208103542.6964f84f.toch () dfpost ! ru
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On Wed, 08 Dec 2004 13:28:30 +0600
"Alexey Shinkin" <alexshinkin@hotmail.com> wrote:

> Hi !
> 
> On Au1550 code like yours works
> 
> I use ioremap_nocache(PhysAddr,length)  to get access from kernel
> level.
  Yes, it works. Even just ioremap()
 
> For access from  userland I don't set any vm_flags in drivers' mmap()
> ,
>   vma->vm_flags is set by kernel to  0x40FB (VM_IO is set and
>   VM_LOCKED isn't).
  I tryed it - same result. :(

> 
> And , as Dan said , pci_resource_* functions used for getting valid
> PCI memory address
  Done! :)

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