PCI: remove unused pcidevs_trylock()

pcidevs_trylock() is used nowhere, so remove it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>

diff --git a/xen/drivers/passthrough/pci.c b/xen/drivers/passthrough/pci.c
index 2a3bce146232531d94d6a249318ee8e5a2553141..51e584127e389c7e8f7aa1d8214e58d3582639a3 100644 (file)
--- a/xen/drivers/passthrough/pci.c
+++ b/xen/drivers/passthrough/pci.c
@@ -69,11 +69,6 @@ bool_t pcidevs_locked(void)
     return !!spin_is_locked(&_pcidevs_lock);
 }
 
-bool_t pcidevs_trylock(void)
-{
-    return !!spin_trylock_recursive(&_pcidevs_lock);
-}
-
 static struct radix_tree_root pci_segments;
 
 static inline struct pci_seg *get_pseg(u16 seg)

diff --git a/xen/include/xen/pci.h b/xen/include/xen/pci.h
index c4d3879761205c0f4973852963f35c07c91c279b..20a54a5bb40ee67a79007a9d505d88974bf9e05d 100644 (file)
--- a/xen/include/xen/pci.h
+++ b/xen/include/xen/pci.h
@@ -148,7 +148,6 @@ struct pci_dev {
 void pcidevs_lock(void);
 void pcidevs_unlock(void);
 bool_t __must_check pcidevs_locked(void);
-bool_t __must_check pcidevs_trylock(void);
 
 bool_t pci_known_segment(u16 seg);
 bool_t pci_device_detect(u16 seg, u8 bus, u8 dev, u8 func);