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

Martyn Welch martyn at welchs.me.uk
Fri Sep 9 20:03:57 UTC 2016


On Fri, Sep 09, 2016 at 02:41:43PM -0500, Aaron Sierra wrote:
> ----- Original Message -----
> > From: "Martyn Welch" <martyn at welchs.me.uk>
> > To: "Aaron Sierra" <asierra at xes-inc.com>
> > Cc: "Manohar Vanga" <manohar.vanga at gmail.com>, "Greg Kroah-Hartman" <gregkh at linuxfoundation.org>, "devel"
> > <devel at driverdev.osuosl.org>, "Egor Uleyskiy" <egor.ulieiskii at gmail.com>, "Dmitry Kalinkin" <dmitry.kalinkin at gmail.com>
> > 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



More information about the devel mailing list