[PATCH v2 2/5] of/microblaze: strip out of_irq_workarounds code

Grant Likely
2010-06-21T22:30:44Z

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>
---
arch/microblaze/include/asm/prom.h | 10 ---------
arch/microblaze/kernel/prom_parse.c | 41 -----------------------------------
2 files changed, 0 insertions(+), 51 deletions(-)

diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index e9fb2eb..4f34bc5 100644
--- 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
--- 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,