From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH V5 1/3] ARM64 LPC: Indirect ISA port IO introduced
Date: Fri, 06 Jan 2017 12:43:32 +0100
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Cc: Mark Rutland <mark.rutland@arm.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, gabriele.paoloni@huawei.com, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, linuxarm@huawei.com, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Ming Lei <tom.leiming@gmail.com>, xuwei5@hisilicon.com, linux-serial@vger.kernel.org, "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, minyard@acm.org, Liviu Dudau <liviu.dudau@arm.com>, john.garry@huawei.com, Olof Johansson <olof@lixom.net>, Rob Herring <robh+dt@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, kantyzc@163.com, zhichang.yuan02@gmail.com, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, "zhichang.yuan" <yuanzhichang@hisilicon.com>, zourongrong@gmail.com
List-Id: devicetree@vger.kernel.org

On Thursday, December 22, 2016 4:15:57 PM CET Ming Lei wrote:
> ERROR: "inb" [drivers/watchdog/wdt_pci.ko] undefined!
> ERROR: "outb" [drivers/watchdog/wdt_pci.ko] undefined!
> ERROR: "outb" [drivers/watchdog/pcwd_pci.ko] undefined!
> ERROR: "inb" [drivers/watchdog/pcwd_pci.ko] undefined!
> ERROR: "outw" [drivers/video/vgastate.ko] undefined!
> ERROR: "outb" [drivers/video/vgastate.ko] undefined!
> ERROR: "inb" [drivers/video/vgastate.ko] undefined!
> ERROR: "outw" [drivers/video/fbdev/vt8623fb.ko] undefined!
> ERROR: "inb" [drivers/video/fbdev/vt8623fb.ko] undefined!
> ERROR: "outb" [drivers/video/fbdev/vt8623fb.ko] undefined!
> ERROR: "outw" [drivers/video/fbdev/tridentfb.ko] undefined!
> ERROR: "inb" [drivers/video/fbdev/tridentfb.ko] undefined!
> ERROR: "outb" [drivers/video/fbdev/tridentfb.ko] undefined!
> ERROR: "inb" [drivers/video/fbdev/tdfxfb.ko] undefined!
> 

In case you haven't figured it out by now, the new code is simply
missing a few "EXPORT_SYMBOL" lines.

	Arnd