powerpc/serial: Fix include guard comment

Replace _PPC64_SERIAL_H with _ASM_POWERPC_SERIAL_H to match the actual
macro name. Remove an empty comment while at it.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260623153825.403819-2-thorsten.blum@linux.dev

diff --git a/arch/powerpc/include/asm/serial.h b/arch/powerpc/include/asm/serial.h
index cd6c18d0e66e1311f601c85692c506e01c43c5d7..c3eb4a64b3f5127fa60daf298f8b84fbac2b2ae9 100644 (file)
--- a/arch/powerpc/include/asm/serial.h
+++ b/arch/powerpc/include/asm/serial.h
@@ -1,6 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- */
 #ifndef _ASM_POWERPC_SERIAL_H
 #define _ASM_POWERPC_SERIAL_H
 
@@ -18,4 +16,4 @@ extern void find_legacy_serial_ports(void);
 #define find_legacy_serial_ports()     do { } while (0)
 #endif
 
-#endif /* _PPC64_SERIAL_H */
+#endif /* _ASM_POWERPC_SERIAL_H */