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

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

Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 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




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