some (MPC8313) Freescale patches not in latest kernel

Kumar Gala galak at
Thu Dec 11 03:42:29 EST 2008

On Dec 10, 2008, at 8:00 AM, Norbert van Bolhuis wrote:

> I'm preparing the latest (2.6.28-rc7) linux kernel for an MPC8313  
> based project
> that's about to start.
> Things seems to work great with the base 2.6.28-rc7 kernel. On our  
> MPC8313E-RDB
> the kernel boots without problems, ethernet (with eTSEC2/eth1) works  
> and even
> eTSEC1/eth0 has a 1gbit link. Most other peripherals seems to work  
> as well, I never
> really tried them though.
> However, the Freescale MPC8313 BSP (and 
> gpp/) includes a few
> patches which I believe I need and/or are useful, for instance:
> linux-fsl-2.6.23-MPC8313ERDB-ETSEC27-errata-workaround.patch
> linux-fsl-2.6.23-MPC8313ERDB-IEEE-1588.patch
> linux-fsl-2.6.23-GIANFAR_PARAMETER_ADJUST.patch
> These patches are not in the latest (2.6.28-rc7) linux kernel
> nor in any of the powerpc devlopment trees
> (e.g. git:// 
> powerpc.git)
> Of course users like me can simply check out the patches and apply  
> them
> if needed for the project.
> Before I do that I would just like to understand why they're not in.
> They're not MPC8313(-RDB) specific and they seem very useful to me.
> Is it lack of time/importance ?

Simply put the reason is that some of these patches have never been  
posted to the open source for acceptance into the kernel.  I would  
suggest requesting that of Freescale through whatever sales contact  
you have.

- k

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