linux-kernel - [PATCH v4 5/6] pci: Use parent domain number when allocating child busses.

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Date:	Mon,  3 Mar 2014 17:33:15 +0000
From:	Liviu Dudau <Liviu.Dudau@....com>
To:	linux-pci <linux-pci@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	linaro-kernel <linaro-kernel@...ts.linaro.org>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>,
	Tanmay Inamdar <tinamdar@....com>
Subject: [PATCH v4 5/6] pci: Use parent domain number when allocating child busses.

pci_alloc_child_bus() uses the newly allocated child bus to figure
out the domain number that is going to use for setting the device
name. A better option is to use the parent bus domain number.

Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 26237a0..a12cda5 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -677,7 +677,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	 * now as the parent is not properly set up yet.
 	 */
 	child->dev.class = &pcibus_class;
-	dev_set_name(&child->dev, "%04x:%02x", pci_domain_nr(child), busnr);
+	dev_set_name(&child->dev, "%04x:%02x", pci_domain_nr(parent), busnr);
 
 	/*
 	 * Set up the primary, secondary and subordinate
-- 
1.9.0

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