Matteo Croce wrote:
Signed-off-by: Matteo Croce <technoboy85@xxxxxxxxx>
Signed-off-by: Florian Fainelli <florian@xxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
Signed-off-by: Nicolas Thill <nico@xxxxxxxxxxx>
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index f94109c..94253b7 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
[...]
@@ -2453,7 +2460,11 @@ static void serial8250_console_putchar(struct uart_port *port, int ch)
{
struct uart_8250_port *up = (struct uart_8250_port *)port;
+#ifdef CONFIG_AR7
No board specific #ifdef's here please. You should use the driver's bug
mechanism for this.
+ wait_for_xmitr(up, BOTH_EMPTY);
+#else
wait_for_xmitr(up, UART_LSR_THRE);
+#endif
serial_out(up, UART_TX, ch);
}
diff --git a/include/linux/serialP.h b/include/linux/serialP.h
index e811a61..cf71de9 100644
--- a/include/linux/serialP.h
+++ b/include/linux/serialP.h
@@ -135,6 +135,10 @@ struct rs_multiport_struct {
* the interrupt line _up_ instead of down, so if we register the IRQ
* while the UART is in that state, we die in an IRQ storm. */
#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2)
+#elif defined(CONFIG_AR7)
+/* This is how it is set up by bootloader... */
+#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 \
+ | UART_MCR_RTS | UART_MCR_DTR)
I don't think you should load the driver with forced RTS and DTR.
#else
#define ALPHA_KLUDGE_MCR 0
#endif
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 9963f81..10af5a2 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -40,6 +40,7 @@
#define PORT_NS16550A 14
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
+#define PORT_AR7 16
Obviously, this should have been 16. :-)
WBR, Sergei
