4 files changed, 29 insertions, 6 deletions
diff --git a/include/uapi/linux/gsmmux.h b/include/uapi/linux/gsmmux.h
index cb8693b39cb7..a703780aa095 100644
--- a/include/uapi/linux/gsmmux.h
+++ b/include/uapi/linux/gsmmux.h
@@ -19,8 +19,7 @@ struct gsm_config
 	unsigned int mtu;
 	unsigned int k;
 	unsigned int i;
-	unsigned int unused[8];		/* Padding for expansion without
-					   breaking stuff */
+	unsigned int unused[8];	/* Can not be used */
 };
 
 #define GSMIOC_GETCONF		_IOR('G', 0, struct gsm_config)
@@ -29,9 +28,9 @@ struct gsm_config
 struct gsm_netconfig {
 	unsigned int adaption;  /* Adaption to use in network mode */
 	unsigned short protocol;/* Protocol to use - only ETH_P_IP supported */
-	unsigned short unused2;
+	unsigned short unused2;	/* Can not be used */
 	char if_name[IFNAMSIZ];	/* interface name format string */
-	__u8 unused[28];        /* For future use */
+	__u8 unused[28];        /* Can not be used */
 };
 
 #define GSMIOC_ENABLE_NET      _IOW('G', 2, struct gsm_netconfig)
@@ -40,4 +39,14 @@ struct gsm_netconfig {
 /* get the base tty number for a configured gsmmux tty */
 #define GSMIOC_GETFIRST		_IOR('G', 4, __u32)
 
+struct gsm_config_ext {
+	__u32 keep_alive;	/* Control channel keep-alive in 1/100th of a
+				 * second (0 to disable)
+				 */
+	__u32 reserved[7];	/* For future use, must be initialized to zero */
+};
+
+#define GSMIOC_GETCONF_EXT	_IOR('G', 5, struct gsm_config_ext)
+#define GSMIOC_SETCONF_EXT	_IOW('G', 6, struct gsm_config_ext)
+
 #endif
diff --git a/include/uapi/linux/kd.h b/include/uapi/linux/kd.h
index ee929ece4112..6b384065c013 100644
--- a/include/uapi/linux/kd.h
+++ b/include/uapi/linux/kd.h
@@ -161,19 +161,25 @@ struct console_font_op {
 	unsigned int flags;	/* KD_FONT_FLAG_* */
 	unsigned int width, height;	/* font size */
 	unsigned int charcount;
-	unsigned char __user *data;	/* font data with height fixed to 32 */
+	unsigned char __user *data;	/* font data with vpitch fixed to 32 for
+					 * KD_FONT_OP_SET/GET
+					 */
 };
 
 struct console_font {
 	unsigned int width, height;	/* font size */
 	unsigned int charcount;
-	unsigned char *data;	/* font data with height fixed to 32 */
+	unsigned char *data;	/* font data with vpitch fixed to 32 for
+				 * KD_FONT_OP_SET/GET
+				 */
 };
 
 #define KD_FONT_OP_SET		0	/* Set font */
 #define KD_FONT_OP_GET		1	/* Get font */
 #define KD_FONT_OP_SET_DEFAULT	2	/* Set font to default, data points to name / NULL */
 #define KD_FONT_OP_COPY		3	/* Obsolete, do not use */
+#define KD_FONT_OP_SET_TALL	4	/* Set font with vpitch = height */
+#define KD_FONT_OP_GET_TALL	5	/* Get font with vpitch = height */
 
 #define KD_FONT_FLAG_DONT_RECALC 	1	/* Don't recalculate hw charcell size [compat] */
 
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index 3ba34d8378bd..281fa286555c 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -207,6 +207,9 @@
 /* Atheros AR933X SoC */
 #define PORT_AR933X	99
 
+/* MCHP 16550A UART with 256 byte FIFOs */
+#define PORT_MCHP16550A	100
+
 /* ARC (Synopsys) on-chip UART */
 #define PORT_ARC       101
 
diff --git a/include/uapi/linux/serial_reg.h b/include/uapi/linux/serial_reg.h
index bab3b39266cc..08b3527e1b93 100644
--- a/include/uapi/linux/serial_reg.h
+++ b/include/uapi/linux/serial_reg.h
@@ -44,6 +44,11 @@
 #define UART_IIR_RX_TIMEOUT	0x0c /* OMAP RX Timeout interrupt */
 #define UART_IIR_XOFF		0x10 /* OMAP XOFF/Special Character */
 #define UART_IIR_CTS_RTS_DSR	0x20 /* OMAP CTS/RTS/DSR Change */
+#define UART_IIR_64BYTE_FIFO	0x20 /* 16750 64 bytes FIFO */
+#define UART_IIR_FIFO_ENABLED	0xc0 /* FIFOs enabled / port type identification */
+#define  UART_IIR_FIFO_ENABLED_8250	0x00	/* 8250: no FIFO */
+#define  UART_IIR_FIFO_ENABLED_16550	0x80	/* 16550: (broken/unusable) FIFO */
+#define  UART_IIR_FIFO_ENABLED_16550A	0xc0	/* 16550A: FIFO enabled */
 
 #define UART_FCR	2	/* Out: FIFO Control Register */
 #define UART_FCR_ENABLE_FIFO	0x01 /* Enable the FIFO */