[SPARC64]: Internalize pci_memspace_mask.

The only user was bus_dvma_to_mem() which is no longer used
by any driver, so kill that, and the export of pci_memspace_mask.

The only user now is the PCI mmap support code.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 3 insertions, 9 deletions

diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 246b8009a2b4..ec0d12a48c2b 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -27,6 +27,8 @@
 #include <asm/isa.h>
 #include <asm/prom.h>
 
+#include "pci_impl.h"
+
 unsigned long pci_memspace_mask = 0xffffffffUL;
 
 #ifndef CONFIG_PCI
diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h
index ea8a6bd146ae..c4ba702e1fd9 100644
--- a/arch/sparc64/kernel/pci_impl.h
+++ b/arch/sparc64/kernel/pci_impl.h
@@ -13,6 +13,7 @@
 #include <asm/prom.h>
 
 extern struct pci_controller_info *pci_controller_root;
+extern unsigned long pci_memspace_mask;
 
 extern int pci_num_controllers;
 
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index beffc82a1e85..d00f51a5683f 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -212,7 +212,6 @@ EXPORT_SYMBOL(insl);
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL(ebus_chain);
 EXPORT_SYMBOL(isa_chain);
-EXPORT_SYMBOL(pci_memspace_mask);
 EXPORT_SYMBOL(pci_alloc_consistent);
 EXPORT_SYMBOL(pci_free_consistent);
 EXPORT_SYMBOL(pci_map_single);
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index 30b912d8e8bc..ad595b679842 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -24,14 +24,6 @@ extern unsigned long kern_base, kern_size;
 #define page_to_phys(page)      (page_to_pfn(page) << PAGE_SHIFT)
 #define BIO_VMERGE_BOUNDARY     8192
 
-/* Different PCI controllers we support have their PCI MEM space
- * mapped to an either 2GB (Psycho) or 4GB (Sabre) aligned area,
- * so need to chop off the top 33 or 32 bits.
- */
-extern unsigned long pci_memspace_mask;
-
-#define bus_dvma_to_mem(__vaddr) ((__vaddr) & pci_memspace_mask)
-
 static __inline__ u8 _inb(unsigned long addr)
 {
         u8 ret;