powerpc: Remove `have_of' global variable

The `have_of' variable is a relic from the arch/ppc time, it isn't
useful nowadays.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

6 files changed, 2 insertions, 15 deletions

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index cd7a47860e5a..d3466490104a 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -69,8 +69,6 @@ extern int _prep_type;
 
 #ifdef __KERNEL__
 
-extern int have_of;
-
 struct task_struct;
 void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
 void release_thread(struct task_struct *);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 91c3f52e33a8..1a32db331a5c 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -160,8 +160,6 @@ EXPORT_SYMBOL(pci_domain_nr);
  */
 struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node)
 {
-        if (!have_of)
-                return NULL;
         while(node) {
                 struct pci_controller *hose, *tmp;
                 list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 7ad11e592f2b..132cd80afa21 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -266,9 +266,6 @@ pci_busdev_to_OF_node(struct pci_bus *bus, int devfn)
 {
         struct device_node *parent, *np;
 
-        if (!have_of)
-                return NULL;
-
         pr_debug("pci_busdev_to_OF_node(%d,0x%x)\n", bus->number, devfn);
         parent = scan_OF_for_pci_bus(bus);
         if (parent == NULL)
@@ -309,8 +306,6 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn)
         struct pci_controller* hose;
         struct pci_dev* dev = NULL;
         
-        if (!have_of)
-                return -ENODEV;
         /* Make sure it's really a PCI device */
         hose = pci_find_hose_for_OF_device(node);
         if (!hose || !hose->dn)
@@ -431,7 +426,7 @@ static int __init pcibios_init(void)
          * numbers vs. kernel bus numbers since we may have to
          * remap them.
          */
-        if (pci_assign_all_buses && have_of)
+        if (pci_assign_all_buses)
                 pcibios_make_OF_bus_map();
 
         /* Call common code to handle resource allocation */
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index c1a27626a940..cc4679ed9527 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -53,8 +53,6 @@ unsigned long ISA_DMA_THRESHOLD;
 unsigned int DMA_MODE_READ;
 unsigned int DMA_MODE_WRITE;
 
-int have_of = 1;
-
 #ifdef CONFIG_VGA_CONSOLE
 unsigned long vgacon_remap_base;
 EXPORT_SYMBOL(vgacon_remap_base);
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 93c875ae985a..ce48f5c5c542 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -70,7 +70,6 @@
 #define DBG(fmt...)
 #endif
 
-int have_of = 1;
 int boot_cpuid = 0;
 u64 ppc64_pft_size;
 
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index d777789b7a89..de2bba5a3440 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -218,8 +218,7 @@ void proc_device_tree_add_node(struct device_node *np,
 void __init proc_device_tree_init(void)
 {
         struct device_node *root;
-        if ( !have_of )
-                return;
+
         proc_device_tree = proc_mkdir("device-tree", NULL);
         if (proc_device_tree == 0)
                 return;