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-rw-r--r--include/linux/serial_core.h4
-rw-r--r--include/linux/serial_reg.h1
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 493773e3b46d..eadf33d0abba 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -46,7 +46,8 @@
#define PORT_AR7 18 /* Texas Instruments AR7 internal UART */
#define PORT_U6_16550A 19 /* ST-Ericsson U6xxx internal UART */
#define PORT_TEGRA 20 /* NVIDIA Tegra internal UART */
-#define PORT_MAX_8250 20 /* max port ID */
+#define PORT_XR17D15X 21 /* Exar XR17D15x UART */
+#define PORT_MAX_8250 21 /* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed
@@ -349,6 +350,7 @@ struct uart_port {
#define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16))
#define UPF_CONS_FLOW ((__force upf_t) (1 << 23))
#define UPF_SHARE_IRQ ((__force upf_t) (1 << 24))
+#define UPF_EXAR_EFR ((__force upf_t) (1 << 25))
/* The exact UART type is known and should not be probed. */
#define UPF_FIXED_TYPE ((__force upf_t) (1 << 27))
#define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28))
diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h
index c75bda37c18e..8ce70d76f836 100644
--- a/include/linux/serial_reg.h
+++ b/include/linux/serial_reg.h
@@ -152,6 +152,7 @@
* LCR=0xBF (or DLAB=1 for 16C660)
*/
#define UART_EFR 2 /* I/O: Extended Features Register */
+#define UART_XR_EFR 9 /* I/O: Extended Features Register (XR17D15x) */
#define UART_EFR_CTS 0x80 /* CTS flow control */
#define UART_EFR_RTS 0x40 /* RTS flow control */
#define UART_EFR_SCD 0x20 /* Special character detect */