linux-kernel - Re: [PATCH v2 5/8] gnss: add driver for u-blox receivers

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Date:   Sat, 2 Jun 2018 14:07:57 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Johan Hovold <johan@...nel.org>
Cc:     kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andreas Kemnade <andreas@...nade.info>,
        Arnd Bergmann <arnd@...db.de>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Pavel Machek <pavel@....cz>,
        Marcel Holtmann <marcel@...tmann.org>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v2 5/8] gnss: add driver for u-blox receivers

Hi Johan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.17-rc7 next-20180601]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Johan-Hovold/gnss-add-new-GNSS-subsystem/20180602-020421
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/gnss/ubx.c:62:30: sparse: symbol 'ubx_gserial_ops' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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