On 08/20/2014 11:39 AM, Frans Klaver wrote:
static int serial8250_get_poll_char(struct uart_port *port)
{
- unsigned char lsr = serial_port_in(port, UART_LSR);
+ unsigned char lsr;
+ int status;
+
+ serial8250_rpm_get(up);
or up won't be defined below. You probably need
Hi,
On Fri, Aug 15, 2014 at 07:42:31PM +0200, Sebastian Andrzej Siewior wrote:
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1899,12 +1984,22 @@ static void wait_for_xmitr(struct uart_8250_port *up,
int bits)
static int
On Wed, Aug 20, 2014 at 11:23:21AM +0200, Frans Klaver wrote:
Hi,
On Fri, Aug 15, 2014 at 07:42:31PM +0200, Sebastian Andrzej Siewior wrote:
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1899,12 +1984,22 @@ static void wait_for_xmitr(struct
While comparing the OMAP-serial and the 8250 part of this I noticed that
the latter does not use run time-pm. Here are the pieces. It is
basically a get before first register access and a last_busy + put after
last access. This has to be enabled from userland _and_ UART_CAP_RPM is
required for
