linux-kernel - Re: [PATCH v6 3/4] pci: iproc: Add Broadcom iProc PCIe support

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Message-ID: <20150312210856.GF7346@google.com>
Date:	Thu, 12 Mar 2015 16:08:56 -0500
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Ray Jui <rjui@...adcom.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Hauke Mehrtens <hauke@...ke-m.de>,
	Paul Bolle <pebolle@...cali.nl>,
	Florian Fainelli <f.fainelli@...il.com>,
	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazau <anatol@...gle.com>,
	Scott Branden <sbranden@...adcom.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org
Subject: Re: [PATCH v6 3/4] pci: iproc: Add Broadcom iProc PCIe support

On Wed, Mar 11, 2015 at 11:06:08AM -0700, Ray Jui wrote:
> This adds the support for Broadcom iProc PCIe controller
> 
> pcie-iproc.c servers as the common core driver, and front-end bus
> interface needs to be added to support different bus interfaces
> 
> pcie-iproc-pltfm.c contains the support for the platform bus interface
> 
> Signed-off-by: Ray Jui <rjui@...adcom.com>
> Reviewed-by: Scott Branden <sbranden@...adcom.com>
> ...

> +static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)
> +{
> +	u8 hdr_type;
> +	u32 link_ctrl;
> +	u16 pos, link_status;
> +	int link_is_active = 0;
> +
> +	/* make sure we are not in EP mode */
> +	pci_bus_read_config_byte(bus, 0, PCI_HEADER_TYPE, &hdr_type);
> +	if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE) {
> +		dev_err(pcie->dev, "in EP mode, hdr=0x08%x\n", hdr_type);

"0x08%x" doesn't look right.  I changed it to "%#02x"; is that what you
intended?
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