linux-kernel - [PATCH 1/6] PCI: Make pci_get_new_domain

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Message-Id: <a21882288c4664cc983a5741e8cbf6d59abacd46.1524582822.git.jan.kiszka@siemens.com>
Date:   Tue, 24 Apr 2018 17:13:37 +0200
From:   Jan Kiszka <jan.kiszka@...mens.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/6] PCI: Make pci_get_new_domain_nr static

From: Jan Kiszka <jan.kiszka@...mens.com>

The only user of that function is of_pci_bus_find_domain_nr. Pure
cleanup.

Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
 drivers/pci/pci.c   | 6 ++----
 include/linux/pci.h | 3 ---
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e597655a5643..695c2bb4e853 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5702,15 +5702,14 @@ static void pci_no_domains(void)
 #endif
 }
 
-#ifdef CONFIG_PCI_DOMAINS
+#ifdef CONFIG_PCI_DOMAINS_GENERIC
 static atomic_t __domain_nr = ATOMIC_INIT(-1);
 
-int pci_get_new_domain_nr(void)
+static int pci_get_new_domain_nr(void)
 {
 	return atomic_inc_return(&__domain_nr);
 }
 
-#ifdef CONFIG_PCI_DOMAINS_GENERIC
 static int of_pci_bus_find_domain_nr(struct device *parent)
 {
 	static int use_dt_domains = -1;
@@ -5765,7 +5764,6 @@ int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent)
 			       acpi_pci_bus_find_domain_nr(bus);
 }
 #endif
-#endif
 
 /**
  * pci_ext_cfg_avail - can we access extended PCI config space?
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 73178a2fcee0..963232a6cd2e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1510,12 +1510,10 @@ void pci_cfg_access_unlock(struct pci_dev *dev);
  */
 #ifdef CONFIG_PCI_DOMAINS
 extern int pci_domains_supported;
-int pci_get_new_domain_nr(void);
 #else
 enum { pci_domains_supported = 0 };
 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }
 static inline int pci_proc_domain(struct pci_bus *bus) { return 0; }
-static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
 #endif /* CONFIG_PCI_DOMAINS */
 
 /*
@@ -1670,7 +1668,6 @@ static inline struct pci_dev *pci_get_domain_bus_and_slot(int domain,
 
 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }
 static inline struct pci_dev *pci_dev_get(struct pci_dev *dev) { return NULL; }
-static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
 
 #define dev_is_pci(d) (false)
 #define dev_is_pf(d) (false)
-- 
2.13.6