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Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r--include/linux/serial_core.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 1775500294bb..5553e04e59c9 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -20,7 +20,7 @@
#ifndef LINUX_SERIAL_CORE_H
#define LINUX_SERIAL_CORE_H
-
+#include <linux/bitops.h>
#include <linux/compiler.h>
#include <linux/interrupt.h>
#include <linux/circ_buf.h>
@@ -144,7 +144,7 @@ struct uart_port {
unsigned char x_char; /* xon/xoff char */
unsigned char regshift; /* reg offset shift */
unsigned char iotype; /* io access style */
- unsigned char unused1;
+ unsigned char quirks; /* internal quirks */
#define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */
#define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */
@@ -155,6 +155,9 @@ struct uart_port {
#define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */
#define UPIO_MEM16 (SERIAL_IO_MEM16) /* 16b little endian */
+ /* quirks must be updated while holding port mutex */
+#define UPQ_NO_TXEN_TEST BIT(0)
+
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
struct uart_state *state; /* pointer to parent state */
@@ -175,7 +178,6 @@ struct uart_port {
* [for bit definitions in the UPF_CHANGE_MASK]
*
* Bits [0..UPF_LAST_USER] are userspace defined/visible/changeable
- * except bit 15 (UPF_NO_TXEN_TEST) which is masked off.
* The remaining bits are serial-core specific and not modifiable by
* userspace.
*/
@@ -192,7 +194,6 @@ struct uart_port {
#define UPF_SPD_SHI ((__force upf_t) ASYNC_SPD_SHI /* 12 */ )
#define UPF_LOW_LATENCY ((__force upf_t) ASYNC_LOW_LATENCY /* 13 */ )
#define UPF_BUGGY_UART ((__force upf_t) ASYNC_BUGGY_UART /* 14 */ )
-#define UPF_NO_TXEN_TEST ((__force upf_t) (1 << 15))
#define UPF_MAGIC_MULTIPLIER ((__force upf_t) ASYNC_MAGIC_MULTIPLIER /* 16 */ )
#define UPF_NO_THRE_TEST ((__force upf_t) (1 << 19))
@@ -246,7 +247,6 @@ struct uart_port {
struct device *dev; /* parent device */
unsigned char hub6; /* this should be in the 8250 driver */
unsigned char suspended;
- unsigned char irq_wake;
unsigned char unused[2];
const char *name; /* port name */
struct attribute_group *attr_group; /* port specific attributes */