[PATCH 1/1] fs: debugfs: fix build error at powerpc platform

[Frank Li]

   ld: fs/debugfs/file.o: in function `debugfs_print_regs':
   file.c:(.text+0x95a): undefined reference to `ioread64be'
>> ld: file.c:(.text+0x9dd): undefined reference to `ioread64'

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202309291322.3pZiyosI-lkp@xxxxxxxxx/
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
 fs/debugfs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 5b8d4fd7c747..b406283806d9 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -1179,7 +1179,7 @@ void debugfs_print_regs(struct seq_file *s, const struct debugfs_reg *regs,
 			seq_printf(s, "%s = 0x%04x\n", regs->name,
 				  b ? ioread16be(reg) : ioread16(reg));
 			break;
-#ifdef CONFIG_64BIT
+#if defined(ioread64) && defined (ioread64be)
 		case sizeof(u64):
 			seq_printf(s, "%s = 0x%016llx\n", regs->name,
 				   b ? ioread64be(reg) : ioread64(reg));
-- 
2.34.1