linux-kernel - Re: [PATCH 08/10] PCI: dwc: artpec6: add support for endpoint mode

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Message-ID: <9a294a12-4f9e-74cf-b7c0-7e45a9ca91f5@axis.com>
Date:   Thu, 19 Oct 2017 12:57:33 +0200
From:   Niklas Cassel <niklas.cassel@...s.com>
To:     Christoph Hellwig <hch@...radead.org>,
        Bjorn Helgaas <helgaas@...nel.org>
CC:     Jesper Nilsson <jespern@...s.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Kishon Vijay Abraham I" <kishon@...com>,
        Jingoo Han <jingoohan1@...il.com>,
        "Xiaowei Song" <songxiaowei@...ilicon.com>,
        Peter Robinson <pbrobinson@...il.com>,
        Tomasz Nowicki <tn@...ihalf.com>,
        Gabriele Paoloni <gabriele.paoloni@...wei.com>,
        Duc Dang <dhdang@....com>, <linux-arm-kernel@...s.com>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 08/10] PCI: dwc: artpec6: add support for endpoint mode

On 10/19/2017 09:59 AM, Christoph Hellwig wrote:
> On Mon, Oct 16, 2017 at 06:43:26PM -0500, Bjorn Helgaas wrote:
>> understand it.  I guess the idea is to build pcie-artpec6.o if either
>> CONFIG_PCIE_ARTPEC6_HOST or CONFIG_PCIE_ARTPEC6_EP is set (or both).
>>
>> Is this really the simplest way to express that in Kconfig?  Both the
>> "if PCIE_ARTPEC6" and this ifneq thing are complicated and relatively
>> unusual.
> 
> I thĳnk the right style is to make PCIE_ARTPEC6 a hidden kconfig
> symbol without help text, and then have PCIE_ARTPEC6_HOST and
> PCIE_ARTPEC6_EP select it.
> 

Thanks for the suggestion Christoph!
I will make this change for both pci-dra7xx and pcie-artpec6 in
the next version of the patch series, and then Kishon can ACK/NACK.