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From: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
	joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org
Cc: stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org,
	linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH v2 3/2] pci: Remove unused pci_find_upstream_pcie_bridge()
Date: Tue, 28 May 2013 16:53:11 -0600	[thread overview]
Message-ID: <20130528225045.15653.3333.stgit@bling.home> (raw)
In-Reply-To: <20130528183527.3318.5365.stgit-xdHQ/5r00wBBDLzU/O5InQ@public.gmane.org>

This no longer has any users.

Signed-off-by: Alex Williamson <alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Acked-by: Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
---

I figured I'd follow up with this after the series is accepted, but I
won't turn down an pre-emptive ack from Bjorn.

 drivers/pci/search.c |   35 -----------------------------------
 include/linux/pci.h  |   11 -----------
 2 files changed, 46 deletions(-)

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index d0627fa..da2e82e 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -17,41 +17,6 @@
 DECLARE_RWSEM(pci_bus_sem);
 EXPORT_SYMBOL_GPL(pci_bus_sem);
 
-/*
- * find the upstream PCIe-to-PCI bridge of a PCI device
- * if the device is PCIE, return NULL
- * if the device isn't connected to a PCIe bridge (that is its parent is a
- * legacy PCI bridge and the bridge is directly connected to bus 0), return its
- * parent
- */
-struct pci_dev *
-pci_find_upstream_pcie_bridge(struct pci_dev *pdev)
-{
-	struct pci_dev *tmp = NULL;
-
-	if (pci_is_pcie(pdev))
-		return NULL;
-	while (1) {
-		if (pci_is_root_bus(pdev->bus))
-			break;
-		pdev = pdev->bus->self;
-		/* a p2p bridge */
-		if (!pci_is_pcie(pdev)) {
-			tmp = pdev;
-			continue;
-		}
-		/* PCI device should connect to a PCIe bridge */
-		if (pci_pcie_type(pdev) != PCI_EXP_TYPE_PCI_BRIDGE) {
-			/* Busted hardware? */
-			WARN_ON_ONCE(1);
-			return NULL;
-		}
-		return pdev;
-	}
-
-	return tmp;
-}
-
 static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr)
 {
 	struct pci_bus* child;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 710067f..890d426 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1851,15 +1851,4 @@ static inline struct eeh_dev *pci_dev_to_eeh_dev(struct pci_dev *pdev)
 }
 #endif
 
-/**
- * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device
- * @pdev: the PCI device
- *
- * if the device is PCIE, return NULL
- * if the device isn't connected to a PCIe bridge (that is its parent is a
- * legacy PCI bridge and the bridge is directly connected to bus 0), return its
- * parent
- */
-struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);
-
 #endif /* LINUX_PCI_H */

  parent reply	other threads:[~2013-05-28 22:53 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-28 18:40 [PATCH v2 0/2] iommu/intel: Quirk non-compliant PCIe-to-PCI bridges Alex Williamson
     [not found] ` <20130528183527.3318.5365.stgit-xdHQ/5r00wBBDLzU/O5InQ@public.gmane.org>
2013-05-28 18:40   ` [PATCH v2 1/2] iommu: Quirked PCIe bridge test and search function Alex Williamson
2013-05-28 19:38     ` Stephen Hemminger
2013-05-28 19:53       ` Alex Williamson
2013-05-28 19:56         ` Stephen Hemminger
2013-05-28 20:15           ` Alex Williamson
2013-05-28 20:28             ` Stephen Hemminger
     [not found]     ` <20130528184020.3318.7800.stgit-xdHQ/5r00wBBDLzU/O5InQ@public.gmane.org>
2013-06-20 13:59       ` Joerg Roedel
2013-06-20 15:44         ` Alex Williamson
     [not found]           ` <1371743091.32709.52.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2013-06-20 16:15             ` Joerg Roedel
2013-06-26  4:20               ` Bjorn Helgaas
     [not found]                 ` <CAErSpo5_P9tPdmpq2XO-X-d5NUWFG8Nbm_byKOkd5d4b8UMcMQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-06-26 18:45                   ` Alex Williamson
2013-06-26 19:11                     ` Bjorn Helgaas
2013-05-28 22:09   ` [PATCH v2 0/2] iommu/intel: Quirk non-compliant PCIe-to-PCI bridges Bjorn Helgaas
2013-05-28 22:53   ` Alex Williamson [this message]
2013-07-08 17:07   ` Alex Williamson
     [not found]     ` <1373303240.2602.28.camel-85EaTFmN5p//9pzu0YdTqQ@public.gmane.org>
2013-07-08 19:34       ` Bjorn Helgaas
     [not found]         ` <20130708193436.GA31985-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-07-08 20:49           ` Alex Williamson
2013-07-08 21:51             ` Bjorn Helgaas
     [not found]               ` <20130708215131.GA1168-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-07-09 18:27                 ` Alex Williamson
2013-07-09 20:10                   ` Bjorn Helgaas
2013-07-30 11:52       ` Joerg Roedel
2013-05-28 18:40 ` [PATCH v2 2/2] intel-iommu: Convert to iommu_pci_find_upstream + iommu_pci_is_pcie_bridge Alex Williamson

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