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authorArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
committerArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
commit3642a0a2c7d2d1949988d0fd004a8039c1f3d02f (patch)
treee687c88b1b66ad51a6a6c529f7f328f2d3b625fa /include/linux/serial.h
parent58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (diff)
parentb07fed455c883f07f8e847f5b0d79975b4dc8e7a (diff)
Merge branch 'mxs/saif' into next/drivers
Conflicts: drivers/net/ethernet/cadence/Kconfig
Diffstat (limited to 'include/linux/serial.h')
-rw-r--r--include/linux/serial.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/serial.h b/include/linux/serial.h
index 97ff8e27a6cc..3d86517fe7d5 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -207,13 +207,15 @@ struct serial_icounter_struct {
struct serial_rs485 {
__u32 flags; /* RS485 feature flags */
-#define SER_RS485_ENABLED (1 << 0)
-#define SER_RS485_RTS_ON_SEND (1 << 1)
-#define SER_RS485_RTS_AFTER_SEND (1 << 2)
-#define SER_RS485_RTS_BEFORE_SEND (1 << 3)
+#define SER_RS485_ENABLED (1 << 0) /* If enabled */
+#define SER_RS485_RTS_ON_SEND (1 << 1) /* Logical level for
+ RTS pin when
+ sending */
+#define SER_RS485_RTS_AFTER_SEND (1 << 2) /* Logical level for
+ RTS pin after sent*/
#define SER_RS485_RX_DURING_TX (1 << 4)
- __u32 delay_rts_before_send; /* Milliseconds */
- __u32 delay_rts_after_send; /* Milliseconds */
+ __u32 delay_rts_before_send; /* Delay before send (milliseconds) */
+ __u32 delay_rts_after_send; /* Delay after send (milliseconds) */
__u32 padding[5]; /* Memory is cheap, new structs
are a royal PITA .. */
};