linux-kernel - Re: [PATCH v3 10/16] switchtec_ntb: initialize hardware for doorbells and messages

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Date:   Mon, 31 Jul 2017 15:26:06 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     linux-ntb@...glegroups.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <Allen.Hubbe@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kurt Schwemmer <kurt.schwemmer@...rosemi.com>,
        Stephen Bates <sbates@...thlin.com>,
        Serge Semin <fancer.lancer@...il.com>
Subject: Re: [PATCH v3 10/16] switchtec_ntb: initialize hardware for
 doorbells and messages

On Tue, Jul 25, 2017 at 02:57:47PM -0600, Logan Gunthorpe wrote:
> Set up some hardware registers and creates interrupt service routines
> for the doorbells and messages.
> 
> There are 64 doorbells in the switch that are shared between all
> partitions. The upper 4 doorbells are also shared with the messages
> and are there for not used. Thus, this provides 28 doorbells for each

s/there for/therefore/

> partition.