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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-29 08:58:53 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-29 08:58:53 +0200
commit53c1cf42817899f88114c28c6bbe4fe0f3c8afb6 (patch)
tree57bff7c4bb6e14af2e98d4f4b170abf06cf95415 /drivers/tty/serial
parent896d81fefe5d1919537db2c2150ab6384e4a6610 (diff)
parentc02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff)
Merge 4.11-rc4 into tty-next
We want the tty/serial fixes in here to handle bugfixes and merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/8250/8250_dw.c9
-rw-r--r--drivers/tty/serial/st-asc.c11
2 files changed, 13 insertions, 7 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index e0215db44e6e..787b1160d3a5 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -257,7 +257,7 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
{
unsigned int baud = tty_termios_baud_rate(termios);
struct dw8250_data *d = p->private_data;
- unsigned int rate;
+ long rate;
int ret;
if (IS_ERR(d->clk) || !old)
@@ -265,7 +265,12 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
clk_disable_unprepare(d->clk);
rate = clk_round_rate(d->clk, baud * 16);
- ret = clk_set_rate(d->clk, rate);
+ if (rate < 0)
+ ret = rate;
+ else if (rate == 0)
+ ret = -ENOENT;
+ else
+ ret = clk_set_rate(d->clk, rate);
clk_prepare_enable(d->clk);
if (!ret)
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
index bcf1d33e6ffe..c334bcc59c64 100644
--- a/drivers/tty/serial/st-asc.c
+++ b/drivers/tty/serial/st-asc.c
@@ -575,12 +575,13 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios,
pinctrl_select_state(ascport->pinctrl,
ascport->states[NO_HW_FLOWCTRL]);
- gpiod = devm_get_gpiod_from_child(port->dev, "rts",
- &np->fwnode);
- if (!IS_ERR(gpiod)) {
- gpiod_direction_output(gpiod, 0);
+ gpiod = devm_fwnode_get_gpiod_from_child(port->dev,
+ "rts",
+ &np->fwnode,
+ GPIOD_OUT_LOW,
+ np->name);
+ if (!IS_ERR(gpiod))
ascport->rts = gpiod;
- }
}
}