target/linux/ramips/patches-3.10/0007-serial-MIPS-lantiq-add-clk_enable-call-to-driver.patch

   1 From 0b78522f6e136fa5901e72cdbf4a44693d100826 Mon Sep 17 00:00:00 2001
   2 From: Thomas Langer <thomas.langer@lantiq.com>
   3 Date: Sun, 28 Jul 2013 14:44:44 +0200
   4 Subject: [PATCH 07/25] serial: MIPS: lantiq: add clk_enable() call to driver
   5
   6 Enable the clock if one is present when setting up the console.
   7
   8 Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
   9 Acked-by: John Crispin <blogic@openwrt.org>
  10 ---
  11  drivers/tty/serial/lantiq.c |    3 +++
  12  1 file changed, 3 insertions(+)
  13
  14 --- a/drivers/tty/serial/lantiq.c
  15 +++ b/drivers/tty/serial/lantiq.c
  16 @@ -636,6 +636,9 @@ lqasc_console_setup(struct console *co,
  17
  18         port = &ltq_port->port;
  19
  20 +       if (!IS_ERR(ltq_port->clk))
  21 +               clk_enable(ltq_port->clk);
  22 +
  23         port->uartclk = clk_get_rate(ltq_port->fpiclk);
  24
  25         if (options)