From be282059acebcecd789fad1b3d17d826db3d5608 Mon Sep 17 00:00:00 2001
From: Alexander Shiyan <shc_work@mail.ru>
Date: Sat, 25 Aug 2012 19:24:20 +0400
Subject: [PATCH] serial: Add note about migration to driver SCCNXP

This patch adds note about migration to driver SCCNXP in the code
of driver SC26XX and in MIPS SNI board initialization with example.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/mips/sni/a20r.c        | 32 ++++++++++++++++++++++++++++++++
 drivers/tty/serial/sc26xx.c |  3 +++
 2 files changed, 35 insertions(+)

diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index c48194c3073b..b2d4f492d782 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -133,6 +133,38 @@ static struct platform_device sc26xx_pdev = {
 	}
 };
 
+#warning "Please try migrate to use new driver SCCNXP and report the status" \
+	 "in the linux-serial mailing list."
+
+/* The code bellow is a replacement of SC26XX to SCCNXP */
+#if 0
+#include <linux/platform_data/sccnxp.h>
+
+static struct sccnxp_pdata sccnxp_data = {
+	.reg_shift	= 2,
+	.frequency	= 3686400,
+	.mctrl_cfg[0]	= MCTRL_SIG(DTR_OP, LINE_OP7) |
+			  MCTRL_SIG(RTS_OP, LINE_OP3) |
+			  MCTRL_SIG(DSR_IP, LINE_IP5) |
+			  MCTRL_SIG(DCD_IP, LINE_IP6),
+	.mctrl_cfg[1]	= MCTRL_SIG(DTR_OP, LINE_OP2) |
+			  MCTRL_SIG(RTS_OP, LINE_OP1) |
+			  MCTRL_SIG(DSR_IP, LINE_IP0) |
+			  MCTRL_SIG(CTS_IP, LINE_IP1) |
+			  MCTRL_SIG(DCD_IP, LINE_IP2) |
+			  MCTRL_SIG(RNG_IP, LINE_IP3),
+};
+
+static struct platform_device sc2681_pdev = {
+	.name		= "sc2681",
+	.resource	= sc2xxx_rsrc,
+	.num_resources	= ARRAY_SIZE(sc2xxx_rsrc),
+	.dev	= {
+		.platform_data	= &sccnxp_data,
+	},
+};
+#endif
+
 static u32 a20r_ack_hwint(void)
 {
 	u32 status = read_c0_status();
diff --git a/drivers/tty/serial/sc26xx.c b/drivers/tty/serial/sc26xx.c
index 3992e48b4c71..9d664242b312 100644
--- a/drivers/tty/serial/sc26xx.c
+++ b/drivers/tty/serial/sc26xx.c
@@ -22,6 +22,9 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 
+#warning "Please try migrate to use new driver SCCNXP and report the status" \
+	 "in the linux-serial mailing list."
+
 #if defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
 #endif