linux-kernel - RE: [EXT] Re: [PATCHv5 4/6] PCI: mobiveil: Add PCIe Gen4 RC driver for NXP Layerscape SoCs

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Message-ID: <AM6PR04MB57817E6C29731F6A96C3CAAB843A0@AM6PR04MB5781.eurprd04.prod.outlook.com>
Date:   Tue, 30 Apr 2019 00:26:40 +0000
From:   "Z.q. Hou" <zhiqiang.hou@....com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Leo Li <leoyang.li@....com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        Mingkai Hu <mingkai.hu@....com>,
        "M.h. Lian" <minghuan.lian@....com>,
        Xiaowei Bao <xiaowei.bao@....com>
Subject: RE: [EXT] Re: [PATCHv5 4/6] PCI: mobiveil: Add PCIe Gen4 RC driver
 for NXP Layerscape SoCs

Hi Arnd,

Thanks a lot for your comments!

> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@...db.de]
> Sent: 2019年4月12日 22:42
> To: Z.q. Hou <zhiqiang.hou@....com>
> Cc: linux-pci@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> bhelgaas@...gle.com; robh+dt@...nel.org; mark.rutland@....com;
> l.subrahmanya@...iveil.co.in; shawnguo@...nel.org; Leo Li
> <leoyang.li@....com>; lorenzo.pieralisi@....com;
> catalin.marinas@....com; will.deacon@....com; Mingkai Hu
> <mingkai.hu@....com>; M.h. Lian <minghuan.lian@....com>; Xiaowei Bao
> <xiaowei.bao@....com>
> Subject: [EXT] Re: [PATCHv5 4/6] PCI: mobiveil: Add PCIe Gen4 RC driver for
> NXP Layerscape SoCs
> 
> WARNING: This email was created outside of NXP. DO NOT CLICK links or
> attachments unless you recognize the sender and know the content is safe.
> 
> 
> 
> > +       pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
> > +       if (!pcie)
> > +               return -ENOMEM;
> > +
> > +       mv_pci = devm_kzalloc(dev, sizeof(*mv_pci), GFP_KERNEL);
> > +       if (!mv_pci)
> > +               return -ENOMEM;
> > +
> 
> Just fold the two structures into one, and use pci_alloc_host_bridge() to
> allocate everything.

It's a good suggestion, will change in v6.

Thanks,
Zhiqiang