Add support for the MAX3100 SPI UART.

(akpm: queued pending confirmation of the new major number)

[randy.dunlap@oracle.com: select SERIAL_CORE]
Signed-off-by: NChristian Pellegrin <chripell@fsfe.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NAlan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/serial/Kconfig

@@ -533,6 +533,13 @@ config SERIAL_S3C6400
 	  Serial port support for the Samsung S3C6400 and S3C6410
 	  SoCs
 
+config SERIAL_MAX3100
+	tristate "MAX3100 support"
+	depends on SPI
+	select SERIAL_CORE
+	help
+	  MAX3100 chip support
+
 config SERIAL_DZ
 	bool "DECstation DZ serial driver"
 	depends on MACH_DECSTATION && 32BIT

drivers/serial/Makefile

@@ -43,6 +43,7 @@ obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o
 obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
 obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
 obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
+obj-$(CONFIG_SERIAL_MAX3100) += max3100.o
 obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
 obj-$(CONFIG_SERIAL_MUX) += mux.o
 obj-$(CONFIG_SERIAL_68328) += 68328serial.o

include/linux/serial_core.h

@@ -164,6 +164,9 @@
 /* NWPSERIAL */
 #define PORT_NWPSERIAL	85
 
+/* MAX3100 */
+#define PORT_MAX3100    86
+
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>