[PATCH -next] xen-pciback: Remove unused function declarations

[Yue Haibing <yuehaibing@xxxxxxxxxx>]

Commit a92336a1176b ("xen/pciback: Drop two backends, squash and cleanup some 
code.")
declared but never implemented these functions.

Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx>
---
 drivers/xen/xen-pciback/conf_space_quirks.h | 2 --
 drivers/xen/xen-pciback/pciback.h           | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/drivers/xen/xen-pciback/conf_space_quirks.h 
b/drivers/xen/xen-pciback/conf_space_quirks.h
index d873abe35bf6..fc1557dfef49 100644
--- a/drivers/xen/xen-pciback/conf_space_quirks.h
+++ b/drivers/xen/xen-pciback/conf_space_quirks.h
@@ -21,8 +21,6 @@ struct xen_pcibk_config_quirk {
 int xen_pcibk_config_quirks_add_field(struct pci_dev *dev, struct config_field
                                    *field);
 
-int xen_pcibk_config_quirks_remove_field(struct pci_dev *dev, int reg);
-
 int xen_pcibk_config_quirks_init(struct pci_dev *dev);
 
 void xen_pcibk_config_field_free(struct config_field *field);
diff --git a/drivers/xen/xen-pciback/pciback.h 
b/drivers/xen/xen-pciback/pciback.h
index 9a64196e831d..f9599ed2f2e2 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -201,6 +201,3 @@ static inline void xen_pcibk_lateeoi(struct 
xen_pcibk_device *pdev,
 int xen_pcibk_xenbus_register(void);
 void xen_pcibk_xenbus_unregister(void);
 #endif
-
-/* Handles shared IRQs that can to device domain and control domain. */
-void xen_pcibk_irq_handler(struct pci_dev *dev, int reset);
-- 
2.34.1