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authorBernhard Roth <br@pwrnet.de>2011-08-24 09:48:23 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-24 15:27:59 -0700
commit83cac9f3b45ba8e99c5305be42c67f1c83adf0aa (patch)
treeb9b5ec2373ec4e113535cdbe50a09e601fa32ee9 /include/linux
parent019dc9ea8d528eb3640bbba604e1e5a2f6994b1f (diff)
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atmel_serial: RS485: receiving enabled when sending data
By default the atmel_serial driver in RS485 mode disables receiving data until all data in the send buffer has been sent. This flag allows to receive data even whilst sending data. Signed-off-by: Bernhard Roth <br@pwrnet.de> Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/serial.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/serial.h b/include/linux/serial.h
index ef914061511..97ff8e27a6c 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -211,6 +211,7 @@ struct serial_rs485 {
#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_RX_DURING_TX (1 << 4)
__u32 delay_rts_before_send; /* Milliseconds */
__u32 delay_rts_after_send; /* Milliseconds */
__u32 padding[5]; /* Memory is cheap, new structs