diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 10:19:32 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-27 10:19:32 +0300 |
commit | e47ff590cc57a3468c1f77e5f2494bbaefdd4371 (patch) | |
tree | 7c71b3832c0d805b0ee6daa1aaaa50326b65654f /drivers/tty/serial/8250/8250_dw.c | |
parent | 2e58cafa0bbde529a9f44300382f60f6ce46d7d2 (diff) | |
parent | c02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff) | |
download | linux-e47ff590cc57a3468c1f77e5f2494bbaefdd4371.tar.xz |
Merge 4.11-rc4 into usb-next
This resolves a merge issue in the gadget code, and we want the USB
fixes in here as well.
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 6ee55a2d47bb..e65808c482f1 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) |