linux-kernel - Re: [v6,2/2] PCI: Rockchip: Add Rockchip PCIe controller support

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Date:	Fri, 8 Jul 2016 09:35:11 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Shawn Lin <shawn.lin@...k-chips.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Marc Zyngier <marc.zyngier@....com>, linux-pci@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Heiko Stuebner <heiko@...ech.de>,
	Doug Anderson <dianders@...omium.org>,
	Wenrui Li <wenrui.li@...k-chips.com>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
	Brian Norris <briannorris@...omium.org>
Subject: Re: [v6,2/2] PCI: Rockchip: Add Rockchip PCIe controller support

On Wed, Jul 06, 2016 at 03:16:38PM +0800, Shawn Lin wrote:
> This patch adds Rockchip PCIe controller support found
> on RK3399 Soc platform.
> 
> Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
> ---

[ ... ]

> +	/* Get the I/O and memory ranges from DT */
> +	resource_list_for_each_entry(win, &res) {
> +		switch (resource_type(win->res)) {
> +		case IORESOURCE_IO:
> +			io = win->res;
> +			io->name = "I/O";
> +			io_size = resource_size(io);
> +			io_bus_addr = io->start - win->offset;
> +			err = pci_remap_iospace(io, io_base);

This function is not exported. Either it will have to be exported
(which may be difficult since it is declared as __weak), or the
driver must only be built into the kernel, or the function can
not be used.

Guenter