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>

diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index c48194c3073b95a2ccdcee6b1b0947913d996587..b2d4f492d782fc1cfee3e1d9cf7a5c53a86ba9c5 100644 (file)
--- 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 3992e48b4c71b8d628912459fe116f01bba09848..9d664242b3128889639335a8fb2a4e2c338ebf87 100644 (file)
--- 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