diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-29 08:58:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-29 08:58:53 +0200 |
| commit | 53c1cf42817899f88114c28c6bbe4fe0f3c8afb6 (patch) | |
| tree | 57bff7c4bb6e14af2e98d4f4b170abf06cf95415 /drivers/tty/serial/8250/8250_dw.c | |
| parent | Revert "tty: Fix ldisc crash on reopened tty" (diff) | |
| parent | Linux 4.11-rc4 (diff) | |
| download | linux-53c1cf42817899f88114c28c6bbe4fe0f3c8afb6.tar.xz linux-53c1cf42817899f88114c28c6bbe4fe0f3c8afb6.zip | |
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/8250/8250_dw.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 9 |
1 files changed, 7 insertions, 2 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) |