diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-08-05 17:25:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-04 13:43:51 +0300 |
| commit | 3f72879e005ecec835ec75f7d8455c04b29de045 (patch) | |
| tree | aa767e7b1329a4822f2cb105c4d68409c5d5f914 /drivers/tty | |
| parent | 653d00c8d0f14b5aec8804b8ab107d5ac70b4a12 (diff) | |
| download | linux-3f72879e005ecec835ec75f7d8455c04b29de045.tar.xz | |
serial: 8250_exar: Replace msleep(1) with usleep_range()
As explained in Documentation/timers/timers-howto.rst
the small amount of milliseconds sometimes produces
much longer delays.
Replace msleep(1) with usleep_range(1000, 1100).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20190805142535.21948-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 873aa6b0c2f3..597eb9d16f21 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -180,7 +180,7 @@ static void exar_shutdown(struct uart_port *port) tx_complete = 1; else tx_complete = 0; - msleep(1); + usleep_range(1000, 1100); } while (!uart_circ_empty(xmit) && !tx_complete && i++ < 1000); serial8250_do_shutdown(port); |