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tty: max3100: remove unused variable rts and remove unused assignment

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Variable rts is being assigned but it is never read, hence it can be
removed.  The assignment to param_new to zero is redundant as it is
being updates a few statements later, so remove this redundant
assignment. Cleans up two clang warnings:

drivers/tty/serial/max3100.c:277:3: warning: Value stored to 'rts'
is never read
drivers/tty/serial/max3100.c:439:2: warning: Value stored to 'param_new'
is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2017-11-02 14:01:44 +00:00 committed by Greg Kroah-Hartman
parent e7e51dcf3b
commit 5de15cc252
1 changed files with 1 additions and 3 deletions
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4
drivers/tty/serial/max3100.c
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@ -263,7 +263,7 @@ static void max3100_work(struct work_struct *w)
struct max3100_port *s = container_of(w, struct max3100_port, work);
int rxchars;
u16 tx, rx;
int conf, cconf, rts, crts;
int conf, cconf, crts;
struct circ_buf *xmit = &s->port.state->xmit;
dev_dbg(&s->spi->dev, "%s\n", __func__);
@ -274,7 +274,6 @@ static void max3100_work(struct work_struct *w)
conf = s->conf;
cconf = s->conf_commit;
s->conf_commit = 0;
rts = s->rts;
crts = s->rts_commit;
s->rts_commit = 0;
spin_unlock(&s->conf_lock);
@ -436,7 +435,6 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios,
dev_dbg(&s->spi->dev, "%s\n", __func__);
cflag = termios->c_cflag;
param_new = 0;
param_mask = 0;
baud = tty_termios_baud_rate(termios);