of/microblaze: strip out of_irq_workarounds code

Microblaze doesn't have any legacy workaround in the device tree irq
mapping data.  All of the of_irq_workarounds stuff can be dropped

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>

diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index e9fb2eb..4f34bc5 100644 (file)
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -93,19 +93,9 @@ extern const void *of_get_mac_address(struct device_node *np);
  * OF interrupt mapping
  */
 
-/**
- * of_irq_map_init - Initialize the irq remapper
- * @flags:     flags defining workarounds to enable
- *
- * Some machines have bugs in the device-tree which require certain workarounds
- * to be applied. Call this before any interrupt mapping attempts to enable
- * those workarounds.
- */
 #define OF_IMAP_OLDWORLD_MAC   0x00000001
 #define OF_IMAP_NO_PHANDLE     0x00000002
 
-extern void of_irq_map_init(unsigned int flags);
-
 /**
  * of_irq_map_raw - Low level interrupt tree parsing
  * @parent:    the device interrupt parent

diff --git a/arch/microblaze/kernel/prom_parse.c b/arch/microblaze/kernel/prom_parse.c
index bf7e6c2..cba0581 100644 (file)
--- a/arch/microblaze/kernel/prom_parse.c
+++ b/arch/microblaze/kernel/prom_parse.c
@@ -676,47 +676,6 @@ static struct device_node *of_irq_find_parent(struct device_node *child)
        return p;
 }
 
-/* This doesn't need to be called if you don't have any special workaround
- * flags to pass
- */
-void of_irq_map_init(unsigned int flags)
-{
-       of_irq_workarounds = flags;
-
-       /* OldWorld, don't bother looking at other things */
-       if (flags & OF_IMAP_OLDWORLD_MAC)
-               return;
-
-       /* If we don't have phandles, let's try to locate a default interrupt
-        * controller (happens when booting with BootX). We do a first match
-        * here, hopefully, that only ever happens on machines with one
-        * controller.
-        */
-       if (flags & OF_IMAP_NO_PHANDLE) {
-               struct device_node *np;
-
-               for (np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
-                       if (of_get_property(np, "interrupt-controller", NULL)
-                               == NULL)
-                               continue;
-                       /* Skip /chosen/interrupt-controller */
-                       if (strcmp(np->name, "chosen") == 0)
-                               continue;
-                       /* It seems like at least one person on this planet
-                        * wants to use BootX on a machine with an AppleKiwi
-                        * controller which happens to pretend to be an
-                        * interrupt controller too.
-                        */
-                       if (strcmp(np->name, "AppleKiwi") == 0)
-                               continue;
-                       /* I think we found one ! */
-                       of_irq_dflt_pic = np;
-                       break;
-               }
-       }
-
-}
-
 int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
                const u32 *addr, struct of_irq *out_irq)
 {