From: Jiang Liu <liuj97@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@huawei.com>,
linux-pci@vger.kernel.org, Yinghai Lu <yinghai@kernel.org>
Subject: [PATCH 2/2] PCI: remove host bridge hotplug unsafe interface pci_get_next_bus()
Date: Fri, 14 Sep 2012 00:00:10 +0800 [thread overview]
Message-ID: <1347552010-6718-2-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1347552010-6718-1-git-send-email-jiang.liu@huawei.com>
In-Reply-To: <CAErSpo4=cakjCQ_Z_nUa2xZQr9KV72kxtsgrW0cjeFN=ktb8zQ@mail.gmail.com>
Remove host bridge hotplug unsafe interface pci_get_next_bus(), it has
been replaced by pci_{get|put}_root_buses().
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
---
drivers/pci/search.c | 25 -------------------------
include/linux/pci.h | 4 ----
2 files changed, 29 deletions(-)
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 8b20a33..7aadd45 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -116,30 +116,6 @@ struct pci_bus * pci_find_bus(int domain, int busnr)
return bus;
}
-/**
- * pci_find_next_bus - begin or continue searching for a PCI bus
- * @from: Previous PCI bus found, or %NULL for new search.
- *
- * Iterates through the list of known PCI busses. A new search is
- * initiated by passing %NULL as the @from argument. Otherwise if
- * @from is not %NULL, searches continue from next device on the
- * global list.
- */
-struct pci_bus *
-pci_find_next_bus(const struct pci_bus *from)
-{
- struct list_head *n;
- struct pci_bus *b = NULL;
-
- WARN_ON(in_interrupt());
- down_read(&pci_bus_sem);
- n = from ? from->node.next : pci_root_buses.next;
- if (n != &pci_root_buses)
- b = pci_bus_b(n);
- up_read(&pci_bus_sem);
- return b;
-}
-
struct pci_bus **
pci_get_root_buses(int *bus_num)
{
@@ -396,7 +372,6 @@ EXPORT_SYMBOL(pci_dev_present);
/* For boot time work */
EXPORT_SYMBOL(pci_find_bus);
-EXPORT_SYMBOL(pci_find_next_bus);
/* For everyone */
EXPORT_SYMBOL(pci_get_device);
EXPORT_SYMBOL(pci_get_subsys);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index bc1ab5f..ea78235 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -756,7 +756,6 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap);
int pci_find_next_ext_capability(struct pci_dev *dev, int pos, int cap);
int pci_find_ht_capability(struct pci_dev *dev, int ht_cap);
int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
-struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
struct pci_bus ** pci_get_root_buses(int *bus_num);
void pci_put_root_buses(struct pci_bus **buses, int count);
@@ -1401,9 +1400,6 @@ static inline int pci_block_cfg_access_in_atomic(struct pci_dev *dev)
static inline void pci_unblock_cfg_access(struct pci_dev *dev)
{ }
-static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)
-{ return NULL; }
-
static inline struct pci_bus ** pci_get_root_buses(int *bus_num)
{
*bus_num = 0;
--
1.7.9.5
next prev parent reply other threads:[~2012-09-13 16:02 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-07 16:10 [RFC PATCH v1 00/22] introduce PCI bus lock to serialize PCI hotplug operations Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 01/22] PCI: use pci_get_domain_bus_and_slot() to avoid race conditions Jiang Liu
2012-09-11 22:00 ` Bjorn Helgaas
2012-09-12 8:37 ` Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 02/22] PCI: trivial cleanups for drivers/pci/remove.c Jiang Liu
2012-09-11 22:03 ` Bjorn Helgaas
2012-09-12 8:50 ` Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 03/22] PCI: change PCI device management code to better follow device model Jiang Liu
2012-09-11 22:03 ` Bjorn Helgaas
2012-08-07 16:10 ` [RFC PATCH v1 04/22] PCI: split PCI bus device registration into two stages Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 05/22] PCI: introduce pci_bus_{get|put}() to manage PCI bus reference count Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 06/22] PCI: use a global lock to serialize PCI root bridge hotplug operations Jiang Liu
2012-09-11 22:57 ` Bjorn Helgaas
2012-09-12 15:42 ` Jiang Liu
2012-09-12 16:51 ` Bjorn Helgaas
2012-09-13 16:00 ` [PATCH 1/2] PCI: introduce root bridge hotplug safe interfaces to walk root buses Jiang Liu
2012-09-13 17:40 ` Bjorn Helgaas
2012-09-17 15:55 ` Jiang Liu
2012-09-17 16:24 ` Bjorn Helgaas
2012-09-18 21:39 ` Bjorn Helgaas
2012-09-21 16:07 ` [PATCH v4] PCI: introduce two interfaces to walk PCI buses Jiang Liu
2012-09-26 20:14 ` Bjorn Helgaas
2012-09-13 16:00 ` Jiang Liu [this message]
2012-09-17 15:51 ` [RFC PATCH v1 06/22] PCI: use a global lock to serialize PCI root bridge hotplug operations Jiang Liu
2012-09-20 18:49 ` Paul E. McKenney
2012-08-07 16:10 ` [RFC PATCH v1 07/22] PCI: introduce PCI bus lock to serialize PCI " Jiang Liu
2012-09-11 23:24 ` Bjorn Helgaas
2012-08-07 16:10 ` [RFC PATCH v1 08/22] PCI: introduce hotplug safe search interfaces for PCI bus/device Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 09/22] PCI: enhance PCI probe logic to support PCI bus lock mechanism Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 10/22] PCI: enhance PCI bus specific " Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 11/22] PCI: enhance PCI resource assignment " Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 12/22] PCI: enhance PCI remove " Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 13/22] PCI: make each PCI device hold a reference to its parent PCI bus Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 14/22] PCI/sysfs: use PCI bus lock to avoid race conditions Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 15/22] PCI/eeepc: " Jiang Liu
2012-09-11 23:18 ` Bjorn Helgaas
2012-09-12 14:24 ` [PATCH] eeepc-laptop: fix device reference count leakage in eeepc_rfkill_hotplug() Jiang Liu
2012-09-12 19:59 ` Bjorn Helgaas
2012-08-07 16:10 ` [RFC PATCH v1 16/22] PCI/asus-wmi: use PCI bus lock to avoid race conditions Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 17/22] PCI/pciehp: " Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 18/22] PCI/acpiphp: " Jiang Liu
2012-08-07 16:10 ` [RFC PATCH v1 19/22] PCI/x86: enable PCI bus lock mechanism for x86 platforms Jiang Liu
2012-09-11 23:22 ` Bjorn Helgaas
2012-09-12 9:56 ` Jiang Liu
2012-08-07 16:11 ` [RFC PATCH v1 20/22] PCI/IA64: enable PCI bus lock mechanism for IA64 platforms Jiang Liu
2012-08-07 16:11 ` [RFC PATCH v1 21/22] PCI: cleanups for PCI bus lock implementation Jiang Liu
2012-09-11 23:21 ` Bjorn Helgaas
2012-09-12 8:58 ` Jiang Liu
2012-08-07 16:11 ` [RFC PATCH v1 22/22] PCI: unexport pci_root_buses Jiang Liu
2012-08-07 18:11 ` [RFC PATCH v1 00/22] introduce PCI bus lock to serialize PCI hotplug operations Don Dutile
2012-08-08 15:49 ` Jiang Liu
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