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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 <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2022-05-19 09:56:51 +02:00 committed by Greg Kroah-Hartman
parent a5ddc498e7
commit ae1de09341
2 changed files with 0 additions and 4 deletions
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2
drivers/tty/serial/pmac_zilog.c
View File

@ -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

2
drivers/tty/serial/pmac_zilog.h
View File

@ -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))