Re: [PATCH 3/3] staging: vme_user: alloc buffer when setting slave

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On Fri, Sep 09, 2016 at 02:41:43PM -0500, Aaron Sierra wrote:
> ----- Original Message -----
> > From: "Martyn Welch" <martyn@xxxxxxxxxxxx>
> > To: "Aaron Sierra" <asierra@xxxxxxxxxxx>
> > Cc: "Manohar Vanga" <manohar.vanga@xxxxxxxxx>, "Greg Kroah-Hartman" <gregkh@xxxxxxxxxxxxxxxxxxx>, "devel"
> > <devel@xxxxxxxxxxxxxxxxxxxx>, "Egor Uleyskiy" <egor.ulieiskii@xxxxxxxxx>, "Dmitry Kalinkin" <dmitry.kalinkin@xxxxxxxxx>
> > Sent: Thursday, September 8, 2016 2:34:32 PM
> > Subject: Re: [PATCH 3/3] staging: vme_user: alloc buffer when setting slave
> 
> > On Fri, Sep 02, 2016 at 04:17:01PM -0500, Aaron Sierra wrote:
> >> Some bridges support a minimum slave window larger than this driver's
> >> 128 KB default buffer size. Also bridges typically require the PCI and
> >> VME bases to be aligned to the size of the window.
> >> 
> > 
> > Which bridge has a minimum slave window larger than 128KB?
> 
> Martyn,
> 
> The ALTHEA 7910 PCIe-VME bridge from IOxOS Technologies can require a
> PCI-side window be larger than 128 KiB.
> 
> I've been meaning to submit our driver for it.
> 

Ah, OK. In that case please can you submit the driver first. At this point
in time there are no in tree use cases for the changes your proposing.

Martyn

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