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authorLee Jones <lee.jones@linaro.org>2020-11-12 10:58:57 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-13 15:28:27 +0100
commit59105f9cf6e28c51ed8c93cbc44f278caa3b2b4e (patch)
tree65f69f30cbd6d23971bb22751850e4739fef5a41 /drivers/tty
parenta609c58086e381c13bdad1ba97e6510a13d465e7 (diff)
downloadlinux-59105f9cf6e28c51ed8c93cbc44f278caa3b2b4e.tar.bz2
tty: serial: pmac_zilog: Remove unused disposable variable 'garbage'
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@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: linux-serial@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20201112105857.2078977-5-lee.jones@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/pmac_zilog.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h
index bb874e76810e..fa85b0de5c2f 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)