[PATCH v2] efi: Pull up arch-specific prototype efi_systab_show_arch()

From: Benjamin Thiel
Date: Sat May 16 2020 - 09:26:56 EST


... in order to fix a -Wmissing-prototypes warning:

arch/x86/platform/efi/efi.c:957:7: warning: no previous prototype for
âefi_systab_show_archâ [-Wmissing-prototypes]
char *efi_systab_show_arch(char *str)

Signed-off-by: Benjamin Thiel <b.thiel@xxxxxxxxx>
---
drivers/firmware/efi/efi.c | 5 +----
include/linux/efi.h | 2 ++
2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 911a2bd0f6b7..4e3055238f31 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -130,11 +130,8 @@ static ssize_t systab_show(struct kobject *kobj,
if (efi.smbios != EFI_INVALID_TABLE_ADDR)
str += sprintf(str, "SMBIOS=0x%lx\n", efi.smbios);

- if (IS_ENABLED(CONFIG_IA64) || IS_ENABLED(CONFIG_X86)) {
- extern char *efi_systab_show_arch(char *str);
-
+ if (IS_ENABLED(CONFIG_IA64) || IS_ENABLED(CONFIG_X86))
str = efi_systab_show_arch(str);
- }

return str - buf;
}
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 251f1f783cdf..9430d01c0c3d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1245,4 +1245,6 @@ struct linux_efi_memreserve {

void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size);

+char *efi_systab_show_arch(char *str);
+
#endif /* _LINUX_EFI_H */
--
2.20.1