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authorPaul Mundt <lethal@linux-sh.org>2008-10-20 11:17:52 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-10-20 11:17:52 +0900
commit4cb40f795af36b3deb743f6ccf6c3fd542c61c8d (patch)
treedb3d7519932549bf528f5b8e4cb8350356cd544d /include/linux/serial.h
parent79ed2a9216dd3cc35c4f2c5dbaddadb195af83ac (diff)
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/kernel-parameters.txt arch/sh/include/asm/elf.h
Diffstat (limited to 'include/linux/serial.h')
-rw-r--r--include/linux/serial.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/serial.h b/include/linux/serial.h
index deb714314fb1..1ea8d9265bf6 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -173,6 +173,22 @@ struct serial_icounter_struct {
int reserved[9];
};
+/*
+ * Serial interface for controlling RS485 settings on chips with suitable
+ * support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your
+ * platform. The set function returns the new state, with any unsupported bits
+ * reverted appropriately.
+ */
+
+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)
+ __u32 delay_rts_before_send; /* Milliseconds */
+ __u32 padding[6]; /* Memory is cheap, new structs
+ are a royal PITA .. */
+};
#ifdef __KERNEL__
#include <linux/compiler.h>