Re: [PATCH stable] b43: Backport bcm4311 fix

[Greg KH <greg@kroah.com>]

On Fri, Feb 29, 2008 at 12:55:41PM +0100, Michael Buesch wrote:
>     The changes include the following:
>     
>     (1) Add the 802.11 rev 13 device to the ssb_device_id table to load b43.
>     (2) Add PHY revision 9 to the supported list.
>     (3) Change the 2-bit routing code for address extensions to 0b10 rather
>         than the 0b01 used for the 32-bit case.
>     (4) Remove some magic numbers in the DMA setup.
>     
>     The DMA implementation for this chip supports full 64-bit addressing with
>     one exception. Whenever the Descriptor Ring Buffer is in high memory, a
>     fatal DMA error occurs. This problem was not present in 2.6.24-rc2 due
>     to code to "Bias the placement of kernel pages at lower PFNs". When
>     commit 44048d70 reverted that code, the DMA error appeared. As a "fix",
>     use the GFP_DMA flag when allocating the buffer for 64-bit DMA. At present,
>     this problem is thought to arise from a hardware error.

Is this logic upstream in 2.6.25-rcX already?  If so, do you have a git
id for it so that I can match them up?

thanks,

greg k-h