From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 6 Oct 2012 08:36:47 +0000 (+0100)
Subject: SERIAL: omap: simplify (2)
X-Git-Tag: v3.8-rc1~160^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2405464083e152f88bb58b7108a9e50ca362178c;p=platform%2Fkernel%2Flinux-exynos.git

SERIAL: omap: simplify (2)

Simplify:
	- set ECB
	...
	- LCR mode A
	- clear TCRTLR
	- LCR mode B
	- clear ECB
	- set ECB and update other bits
	- LCR mode A
	- update XONANY

to:
	- set ECB
	...
	- LCR mode B
	- set ECB and update other bits
	- LCR mode A
	- update XONANY and clear TCRTLR

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 0d2671e..156a854 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -924,11 +924,6 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 	}
 
 	if (up->port.flags & UPF_SOFT_FLOW) {
-		/* Disable access to TCR/TLR */
-		serial_out(up, UART_MCR, up->mcr);
-		serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
-		serial_out(up, UART_EFR, up->efr);
-
 		/* clear SW control mode bits */
 		up->efr &= OMAP_UART_SW_CLR;
 
@@ -948,9 +943,6 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 		if (termios->c_iflag & IXOFF)
 			up->efr |= OMAP_UART_SW_RX;
 
-		serial_out(up, UART_EFR, up->efr | UART_EFR_ECB);
-		serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);
-
 		/*
 		 * IXANY Flag:
 		 * Enable any character to restart output.
@@ -962,7 +954,6 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
 		else
 			up->mcr &= ~UART_MCR_XONANY;
 	}
-
 	serial_out(up, UART_MCR, up->mcr);
 	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
 	serial_out(up, UART_EFR, up->efr);