[OpenIndiana-discuss] [smartos-discuss] Re: [developer] HBA recommended except LSI and ARECA

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> On May 21, 2014, at 7:05 AM, "Zhiwen Zheng via smartos-discuss" <smartos-discuss at lists.smartos.org> wrote:
> 
> 
> 在 2014-5-21 上午12:15，"Keith Wesolowski" <keith.wesolowski at joyent.com>写道：
> >
> > On Tue, May 20, 2014 at 10:30:13PM +0800, Zhiwen Zheng wrote:
> >
> > > I tried to add suport for adaptec 6805H following the linux pm8001 driver.
> >
> > Before I read the patch, I need to know whether you cut and pasted even
> > a single line of code from the Linux driver.  In general, you really
> > want to do work like this from a PRM or from a BSD driver, never Linux.
> no cut and paste from linux.
> I want to ask why not linux?
> thanks
> 

Linux drivers are usually GPL and that license forbids mixing code with certain other licenses.  The CDDL license we use for illumos. is one such.  

BSD license is much easier to mix and match.  But you do have to give credit and ensure copyright notices are preserved. 
> >
> > > It seems to access mpi configuration table, BAR4(PMCS_REGSET_2 in pmcs
> > > terms) should be used,
> > > instead of BAR5(PMCS_REGSET_3) currently used in pmcs.
> >
> > So are you making this model-specific somehow?  Because otherwise you'll
> > presumably break the existing devices.
> 
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