2022-05-19 10:32:43

by Jiri Slaby

[permalink] [raw]
Subject: [PATCH 2/4] serial: pmac_zilog: remove unused uart_pmac_port::termios_cache

struct uart_pmac_port contains termios_cache. It is only written and
never read. Remove it as it only occupies space.

Cc: Michael Ellerman <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
drivers/tty/serial/pmac_zilog.c | 2 --
drivers/tty/serial/pmac_zilog.h | 2 --
2 files changed, 4 deletions(-)

diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 2953ff64a892..9a2150bf477a 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -1231,8 +1231,6 @@ static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,

pmz_debug("pmz: set_termios()\n");

- memcpy(&uap->termios_cache, termios, sizeof(struct ktermios));
-
/* XXX Check which revs of machines actually allow 1 and 4Mb speeds
* on the IR dongle. Note that the IRTTY driver currently doesn't know
* about the FIR mode and high speed modes. So these are unused. For
diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h
index 87337b748d6d..837b97ca0a90 100644
--- a/drivers/tty/serial/pmac_zilog.h
+++ b/drivers/tty/serial/pmac_zilog.h
@@ -55,8 +55,6 @@ struct uart_pmac_port {
volatile u8 __iomem *data_reg;

unsigned char irq_name[8];
-
- struct ktermios termios_cache;
};

#define to_pmz(p) ((struct uart_pmac_port *)(p))
--
2.36.1