linux-kernel - Re: [PATCH v3 02/15] NTB: Set dma mask and dma coherent mask to NTB devices

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Message-ID: <2f48380b-6d38-4087-cb8c-54855ffb7bf1@deltatee.com>
Date:   Tue, 5 Dec 2017 16:39:09 -0700
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Serge Semin <fancer.lancer@...il.com>, jdmason@...zu.us,
        dave.jiang@...el.com, Allen.Hubbe@....com,
        Shyam-sundar.S-k@....com, Xiangliang.Yu@....com, gary.hook@....com
Cc:     linux-ntb@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/15] NTB: Set dma mask and dma coherent mask to NTB
 devices



On 05/12/17 03:39 PM, Serge Semin wrote:
> The dma_mask and dma_coherent_mask fields of the NTB struct device
> weren't initialized in hardware drivers. In fact it should be done
> instead of PCIe interface usage, since NTB clients are supposed to
> use NTB API and left unaware of real hardware implementation.
> In addition to that ntb_device_register() method shouldn't clear
> the passed ntb_dev structure, since it dma_mask is initialized
> by hardware drivers.

I think you still need to address my comments in the previous version. 
As best as I can see this patch does nothing.

Logan