linux-kernel - [PATCH 1/16 v6] PCI: remove unnecessary arg of pci_update

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Message-ID: <20081022084011.GA3773@yzhao12-linux.sh.intel.com>
Date:	Wed, 22 Oct 2008 16:40:11 +0800
From:	Yu Zhao <yu.zhao@...el.com>
To:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Cc:	"achiang@...com" <achiang@...com>,
	"grundler@...isc-linux.org" <grundler@...isc-linux.org>,
	"greg@...ah.com" <greg@...ah.com>, "mingo@...e.hu" <mingo@...e.hu>,
	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"matthew@....cx" <matthew@....cx>,
	"randy.dunlap@...cle.com" <randy.dunlap@...cle.com>,
	"rdreier@...co.com" <rdreier@...co.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: [PATCH 1/16 v6] PCI: remove unnecessary arg of
	pci_update_resource()

This cleanup removes unnecessary argument 'struct resource *res' in
pci_update_resource(), so it takes same arguments as other companion
functions (pci_assign_resource(), etc.).

Cc: Alex Chiang <achiang@...com>
Cc: Grant Grundler <grundler@...isc-linux.org>
Cc: Greg KH <greg@...ah.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
Cc: Matthew Wilcox <matthew@....cx>
Cc: Randy Dunlap <randy.dunlap@...cle.com>
Cc: Roland Dreier <rdreier@...co.com>
Signed-off-by: Yu Zhao <yu.zhao@...el.com>

---
 drivers/pci/pci.c       |    4 ++--
 drivers/pci/setup-res.c |    7 ++++---
 include/linux/pci.h     |    2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4db261e..ae62f01 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -376,8 +376,8 @@ pci_restore_bars(struct pci_dev *dev)
 		return;
 	}
 
-	for (i = 0; i < numres; i ++)
-		pci_update_resource(dev, &dev->resource[i], i);
+	for (i = 0; i < numres; i++)
+		pci_update_resource(dev, i);
 }
 
 static struct pci_platform_pm_ops *pci_platform_pm;
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 2dbd96c..b7ca679 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -26,11 +26,12 @@
 #include "pci.h"
 
 
-void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
+void pci_update_resource(struct pci_dev *dev, int resno)
 {
 	struct pci_bus_region region;
 	u32 new, check, mask;
 	int reg;
+	struct resource *res = dev->resource + resno;
 
 	/*
 	 * Ignore resources for unimplemented BARs and unused resource slots
@@ -162,7 +163,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	} else {
 		res->flags &= ~IORESOURCE_STARTALIGN;
 		if (resno < PCI_BRIDGE_RESOURCES)
-			pci_update_resource(dev, res, resno);
+			pci_update_resource(dev, resno);
 	}
 
 	return ret;
@@ -197,7 +198,7 @@ int pci_assign_resource_fixed(struct pci_dev *dev, int resno)
 		dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
 			resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
 	} else if (resno < PCI_BRIDGE_RESOURCES) {
-		pci_update_resource(dev, res, resno);
+		pci_update_resource(dev, resno);
 	}
 
 	return ret;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 085187b..43e1fc1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -626,7 +626,7 @@ int pcix_get_mmrbc(struct pci_dev *dev);
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
 int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
-void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
+void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
-- 
1.5.6.4

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