linux-kernel - Re: [PATCH 10/10] arm64: Add Tegra194 PCIe driver to defconfig

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Message-ID: <44d7ff1d-c317-6ba2-86c0-981a6356ee9e@nvidia.com>
Date:   Wed, 27 Mar 2019 15:42:40 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     Jon Hunter <jonathanh@...dia.com>, <bhelgaas@...gle.com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <thierry.reding@...il.com>, <kishon@...com>,
        <catalin.marinas@....com>, <will.deacon@....com>,
        <lorenzo.pieralisi@....com>, <jingoohan1@...il.com>,
        <gustavo.pimentel@...opsys.com>, <mperttunen@...dia.com>,
        <tiwai@...e.de>, <spujar@...dia.com>, <skomatineni@...dia.com>,
        <liviu.dudau@....com>, <krzk@...nel.org>, <heiko@...ech.de>,
        <horms+renesas@...ge.net.au>, <olof@...om.net>,
        <maxime.ripard@...tlin.com>, <andy.gross@...aro.org>,
        <bjorn.andersson@...aro.org>, <jagan@...rulasolutions.com>,
        <enric.balletbo@...labora.com>, <ezequiel@...labora.com>,
        <stefan.wahren@...e.com>, <marc.w.gonzalez@...e.fr>,
        <l.stach@...gutronix.de>, <tpiepho@...inj.com>,
        <hayashi.kunihiko@...ionext.com>, <yue.wang@...ogic.com>,
        <shawn.lin@...k-chips.com>, <xiaowei.bao@....com>
CC:     <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <kthota@...dia.com>,
        <mmaddireddy@...dia.com>
Subject: Re: [PATCH 10/10] arm64: Add Tegra194 PCIe driver to defconfig

On 3/27/2019 3:38 PM, Jon Hunter wrote:
> 
> On 26/03/2019 15:13, Vidya Sagar wrote:
>> Add PCIe host controller driver for DesignWare core based
>> PCIe controller IP present in Tegra194.
>>
>> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
>> ---
>>   arch/arm64/configs/defconfig | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
>> index 2d9c39033c1a..2ddea5c4e87d 100644
>> --- a/arch/arm64/configs/defconfig
>> +++ b/arch/arm64/configs/defconfig
>> @@ -87,6 +87,7 @@ CONFIG_PCIE_QCOM=y
>>   CONFIG_PCIE_ARMADA_8K=y
>>   CONFIG_PCIE_KIRIN=y
>>   CONFIG_PCIE_HISI_STB=y
>> +CONFIG_PCIE_TEGRA194=y
>>   CONFIG_ARM64_VA_BITS_48=y
>>   CONFIG_SCHED_MC=y
>>   CONFIG_NUMA=y
> 
> Maybe building as a module is more appropriate here as I am not sure
> that anyone else will want this built-in and it is not critical to
> booting AFAIK.
Since the DesignWare core framework doesn't yet have support for making this
as a module, I added it as a built-in driver. I'll switch it to a module
once support is available.

> 
> Cheers
> Jon
>