linux-kernel - Re: [PATCH V7 07/11] pci, acpi: Handle ACPI companion assignment.

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Date:	Thu, 12 May 2016 07:08:36 -0500
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Tomasz Nowicki <tn@...ihalf.com>
Cc:	"Rafael J. Wysocki" <rafael@...nel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Will Deacon <will.deacon@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Sinan Kaya <okaya@...eaurora.org>, jchandra@...adcom.com,
	robert.richter@...iumnetworks.com, Marcin Wojtas <mw@...ihalf.com>,
	Liviu.Dudau@....com, David Daney <ddaney@...iumnetworks.com>,
	wangyijing@...wei.com,
	Suravee Suthikulanit <Suravee.Suthikulpanit@....com>,
	Mark Salter <msalter@...hat.com>,
	Linux PCI <linux-pci@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Jon Masters <jcm@...hat.com>,
	Andrea Gallo <andrea.gallo@...aro.org>,
	Duc Dang <dhdang@....com>, jeremy.linton@....com,
	liudongdong3@...wei.com, Christopher Covington <cov@...eaurora.org>
Subject: Re: [PATCH V7 07/11] pci, acpi: Handle ACPI companion assignment.

On Thu, May 12, 2016 at 12:50:07PM +0200, Tomasz Nowicki wrote:
> On 12.05.2016 00:43, Bjorn Helgaas wrote:

> >@@ -70,9 +71,11 @@ struct pci_config_window *pci_ecam_create(struct device *dev,
> >  	cfg->res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
> >  	cfg->res.name = "PCI ECAM";
> >
> >-	err = request_resource(&iomem_resource, &cfg->res);
> >-	if (err) {
> >-		dev_err(dev, "request ECAM res %pR failed\n", &cfg->res);
> >+	conflict = request_resource(&iomem_resource, &cfg->res);
> 
> We need request_resource_conflict here then:
> -	conflict = request_resource(&iomem_resource, &cfg->res);
> +	conflict = request_resource_conflict(&iomem_resource, &cfg->res);

Whoops, fixed, thanks!