Fixes the following W=1 kernel build warning(s):
drivers/tty/serial/pmac_zilog.h:365:58: warning: variable ‘garbage’ set but not used [-Wunused-but-set-variable]
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: linux-serial@xxxxxxxxxxxxxxx
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/tty/serial/pmac_zilog.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h
index bb874e76810e0..fa85b0de5c2fd 100644
--- a/drivers/tty/serial/pmac_zilog.h
+++ b/drivers/tty/serial/pmac_zilog.h
@@ -362,10 +362,10 @@ static inline void zssync(struct uart_pmac_port *port)
/* Misc macros */
#define ZS_CLEARERR(port) (write_zsreg(port, 0, ERR_RES))
-#define ZS_CLEARFIFO(port) do { volatile unsigned char garbage; \
- garbage = read_zsdata(port); \
- garbage = read_zsdata(port); \
- garbage = read_zsdata(port); \
+#define ZS_CLEARFIFO(port) do { \
+ read_zsdata(port); \
+ read_zsdata(port); \
+ read_zsdata(port); \
} while(0)
#define ZS_IS_CONS(UP) ((UP)->flags & PMACZILOG_FLAG_IS_CONS)
--
2.25.1
