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 c48194c..b2d4f49 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 3992e48..9d66424 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