linux-kernel - Re: [PATCHv7 12/12] misc: pci_endpoint_test: Add driver data for Layerscape PCIe controllers

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Message-ID: <20200910181756.GA622331@bogus>
Date:   Thu, 10 Sep 2020 12:17:56 -0600
From:   Rob Herring <robh@...nel.org>
To:     Zhiqiang Hou <Zhiqiang.Hou@....com>
Cc:     bhelgaas@...gle.com, shawnguo@...nel.org, minghuan.Lian@....com,
        leoyang.li@....com, linuxppc-dev@...ts.ozlabs.org,
        robh+dt@...nel.org, linux-arm-kernel@...ts.infradead.org,
        roy.zang@....com, andrew.murray@....com, linux-pci@...r.kernel.org,
        lorenzo.pieralisi@....com, gustavo.pimentel@...opsys.com,
        mingkai.hu@....com, linux-kernel@...r.kernel.org,
        jingoohan1@...il.com, kishon@...com, devicetree@...r.kernel.org
Subject: Re: [PATCHv7 12/12] misc: pci_endpoint_test: Add driver data for
 Layerscape PCIe controllers

On Tue, 11 Aug 2020 17:54:41 +0800, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou@....com>
> 
> The commit 0a121f9bc3f5 ("misc: pci_endpoint_test: Use streaming DMA
> APIs for buffer allocation") changed to use streaming DMA APIs, however,
> dma_map_single() might not return a 4KB aligned address, so add the
> default_data as driver data for Layerscape PCIe controllers to make it
> 4KB aligned.
> 
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
> ---
> V7:
>  - New patch.
> 
>  drivers/misc/pci_endpoint_test.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 

Acked-by: Rob Herring <robh@...nel.org>