commit 2af59c1c9412bafd441a8e472585541a3a36ae4e
author Joshua Housh <joshua.housh@calxeda.com> Fri Nov 09 10:01:11 2012 -0600
committer John Rigby <john.rigby@linaro.org> Thu Dec 06 13:51:53 2012 -0700
tree 6bdccd987f85a72c520c5bb40a259755778c6936
parent 035faf32a5cc8eb5c5880bc458d61834a0d5e4df

serial_pl011: Set RTS during initialization

If the pl011 is connected to another device which has hardware
flow-control on, characters are never received by the pl011.
Asserting RTS when flow-control is off will have no effect.

Signed-off-by: Joshua Housh <joshua.housh@calxeda.com>

drivers/serial/serial_pl01x.c

diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c
index b331be7..dfdba9f 100644
--- a/drivers/serial/serial_pl01x.c
+++ b/drivers/serial/serial_pl01x.c
@@ -163,8 +163,8 @@
 	}
 #endif
 	/* Finally, enable the UART */
-	writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE,
-	       &regs->pl011_cr);
+	writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE |
+	       UART_PL011_CR_RTS, &regs->pl011_cr);
 
 	return 0;
 }