efi: ia64: move IA64-only declarations to new asm/efi.h header

Move some EFI related declarations that are only referenced on IA64 to
a new asm/efi.h arch header.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

10 files changed, 22 insertions, 3 deletions

diff --git a/arch/ia64/include/asm/efi.h b/arch/ia64/include/asm/efi.h
new file mode 100644
index 000000000000..6a4a50d8f19a
--- /dev/null
+++ b/arch/ia64/include/asm/efi.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_EFI_H
+#define _ASM_EFI_H
+
+typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);
+
+void *efi_get_pal_addr(void);
+void efi_map_pal_code(void);
+void efi_memmap_walk(efi_freemem_callback_t, void *);
+void efi_memmap_walk_uc(efi_freemem_callback_t, void *);
+void efi_gettimeofday(struct timespec64 *ts);
+
+#endif
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index f932b25fb817..dd7fd750bb93 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -34,6 +34,7 @@
 #include <linux/kexec.h>
 #include <linux/mm.h>
 
+#include <asm/efi.h>
 #include <asm/io.h>
 #include <asm/kregs.h>
 #include <asm/meminit.h>
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index efc9b568401c..af310dc8a356 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -16,6 +16,7 @@
 #include <linux/numa.h>
 #include <linux/mmzone.h>
 
+#include <asm/efi.h>
 #include <asm/numa.h>
 #include <asm/mmu_context.h>
 #include <asm/setup.h>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 2703f7795672..0fea266b4d39 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -91,6 +91,7 @@
 #include <linux/gfp.h>
 
 #include <asm/delay.h>
+#include <asm/efi.h>
 #include <asm/meminit.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 093040f7e626..49b488580939 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -45,6 +45,7 @@
 #include <asm/cache.h>
 #include <asm/current.h>
 #include <asm/delay.h>
+#include <asm/efi.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/mca.h>
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index ed9fc3d057a6..a37f161a66b1 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -26,6 +26,7 @@
 #include <linux/sched/cputime.h>
 
 #include <asm/delay.h>
+#include <asm/efi.h>
 #include <asm/hw_irq.h>
 #include <asm/ptrace.h>
 #include <asm/sal.h>
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 0750f367837d..51883a66aeb5 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -20,14 +20,12 @@
 #include <linux/genalloc.h>
 #include <linux/gfp.h>
 #include <linux/pgtable.h>
+#include <asm/efi.h>
 #include <asm/page.h>
 #include <asm/pal.h>
 #include <linux/atomic.h>
 #include <asm/tlbflush.h>
 
-
-extern void __init efi_memmap_walk_uc(efi_freemem_callback_t, void *);
-
 struct uncached_pool {
 	struct gen_pool *pool;
 	struct mutex add_chunk_mutex;	/* serialize adding a converted chunk */
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index bfc4ecd0a2ab..62fe80a16f42 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -21,6 +21,7 @@
 #include <linux/swap.h>
 #include <linux/sizes.h>
 
+#include <asm/efi.h>
 #include <asm/meminit.h>
 #include <asm/sections.h>
 #include <asm/mca.h>
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index c7311131156e..03b3a02375ff 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -24,6 +24,7 @@
 #include <linux/efi.h>
 #include <linux/nodemask.h>
 #include <linux/slab.h>
+#include <asm/efi.h>
 #include <asm/tlb.h>
 #include <asm/meminit.h>
 #include <asm/numa.h>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 9b5acf8fb092..24583a39fa1b 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -27,6 +27,7 @@
 #include <linux/swiotlb.h>
 
 #include <asm/dma.h>
+#include <asm/efi.h>
 #include <asm/io.h>
 #include <asm/numa.h>
 #include <asm/patch.h>